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August

Niteroi Weather in August with Sea Temperature

August weather in Niteroi includes average daytime air +26°C, nighttime +18°C, average sea temperature +23°C. Daily water temperatures usually range from +22°C to +24°C, which is mild for beach planning. The tables below also show air temperature, wind, rain and humidity; for near-term water data, open the current 30-day water temperature forecast.

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Averaged values across several years

Daily air temperature for the month

Day Night

Daily sea water temperature for the month

Water

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August	Day	Night	Sea t°	Wind	Precip	Humidity
1Fri	+25°C	+16°C	+24°C	3 m/s	0 mm	73%
2Sat	+27°C	+17°C	+24°C	2 m/s	0 mm	71%
3Sun	+26°C	+17°C	+23°C	2 m/s	0.3 mm	72%
4Mon	+25°C	+18°C	+22°C	2 m/s	0.6 mm	72%
5Tue	+25°C	+18°C	+23°C	2 m/s	0.1 mm	71%
6Wed	+25°C	+18°C	+23°C	2 m/s	0 mm	75%
7Thu	+27°C	+18°C	+24°C	2 m/s	0 mm	69%
8Fri	+27°C	+19°C	+23°C	2 m/s	0.2 mm	70%
9Sat	+25°C	+19°C	+23°C	2 m/s	0.2 mm	77%
10Sun	+26°C	+18°C	+22°C	2 m/s	0.9 mm	74%
11Mon	+25°C	+18°C	+23°C	3 m/s	0.2 mm	68%
12Tue	+25°C	+19°C	+24°C	2 m/s	0.4 mm	70%
13Wed	+25°C	+18°C	+23°C	3 m/s	0.2 mm	73%
14Thu	+24°C	+17°C	+22°C	3 m/s	0.7 mm	75%
15Fri	+26°C	+18°C	+23°C	2 m/s	0.1 mm	72%
16Sat	+26°C	+18°C	+23°C	3 m/s	0.5 mm	72%
17Sun	+27°C	+18°C	+23°C	2 m/s	0 mm	73%
18Mon	+30°C	+19°C	+23°C	2 m/s	0 mm	67%
19Tue	+28°C	+19°C	+23°C	3 m/s	0.2 mm	69%
20Wed	+25°C	+19°C	+22°C	3 m/s	0.5 mm	74%
21Thu	+25°C	+19°C	+23°C	3 m/s	0.6 mm	71%
22Fri	+26°C	+18°C	+23°C	2 m/s	1 mm	69%
23Sat	+28°C	+18°C	+23°C	2 m/s	0.1 mm	61%
24Sun	+27°C	+19°C	+23°C	3 m/s	0.2 mm	64%
25Mon	+25°C	+19°C	+23°C	2 m/s	0.5 mm	73%
26Tue	+25°C	+18°C	+23°C	3 m/s	1.1 mm	75%
27Wed	+24°C	+18°C	+22°C	2 m/s	1.1 mm	77%
28Thu	+25°C	+18°C	+23°C	2 m/s	0.4 mm	77%
29Fri	+25°C	+18°C	+24°C	3 m/s	0.7 mm	79%
30Sat	+25°C	+18°C	+23°C	2 m/s	0.4 mm	73%
31Sun	+26°C	+18°C	+23°C	2 m/s	0.1 mm	73%

Sea water temperature by months

Water +23°C

Day and night air temperature

Day +26°C Night +18°C

Weather highs and lows in Niteroi for august

Warmest day: 18 august, +30°C
Coldest night: 1 august, +16°C
Max precipitation: 26 august, 1.1 mm
Warmest sea water: 1 august, +24°C
Coldest sea water: 4 august, +22°C

Climate in Niteroi in august

Average daytime temperature: +26°C
Average nighttime temperature: +18°C
Sea water temperature: +23°C
Precipitation (monthly average): 11.5 mm
Days with precipitation: 3.3
Humidity: 72%
Wind: 2 m/s
Data: 7 years / coverage 100%

Daily air temperature for the month

Day Night

Daily sea water temperature for the month

Water

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August	Day	Night	Sea t°	Wind	Precip	Humidity
1Fri	+24°C	+14°C	+24°C	3-5 m/s, E	0 mm	66%
2Sat	+25°C	+15°C	+24°C	2-3 m/s, ENE	0 mm	68%
3Sun	+27°C	+16°C	+23°C	2 m/s, N	0 mm	62%
4Mon	+29°C	+18°C	+22°C	2 m/s, N	0 mm	52%
5Tue	+23°C	+19°C	+23°C	2-4 m/s, SW	0 mm	72%
6Wed	+23°C	+18°C	+23°C	2-3 m/s, SW	0 mm	81%
7Thu	+25°C	+17°C	+24°C	2-3 m/s, ESE	0 mm	76%
8Fri	+29°C	+17°C	+23°C	2-4 m/s, SSE	0.8 mm	70%
9Sat	+22°C	+17°C	+23°C	3-6 m/s, SW	1.3 mm	86%
10Sun	+21°C	+17°C	+22°C	4-5 m/s, WSW	0.2 mm	70%
11Mon	+21°C	+16°C	+23°C	3 m/s, WSW	0.4 mm	74%
12Tue	+21°C	+16°C	+24°C	2-3 m/s, WSW	0.1 mm	70%
13Wed	+24°C	+15°C	+23°C	2-3 m/s, SE	0 mm	74%
14Thu	+23°C	+17°C	+22°C	3-4 m/s, SW	0.1 mm	77%
15Fri	+23°C	+17°C	+23°C	2-4 m/s, S	0 mm	70%
16Sat	+22°C	+18°C	+23°C	3-5 m/s, ESE	0 mm	72%
17Sun	+24°C	+16°C	+23°C	2-4 m/s, ESE	0 mm	76%
18Mon	+24°C	+17°C	+23°C	3-5 m/s, ESE	0 mm	74%
19Tue	+25°C	+16°C	+23°C	3-6 m/s, ESE	0 mm	70%
20Wed	+29°C	+17°C	+22°C	3 m/s, E	0 mm	62%
21Thu	+30°C	+20°C	+23°C	2 m/s, SW	0 mm	55%
22Fri	+30°C	+20°C	+23°C	2-4 m/s, ESE	0 mm	60%
23Sat	+32°C	+20°C	+23°C	2-3 m/s, N	0 mm	53%
24Sun	+25°C	+21°C	+23°C	3-6 m/s, SW	0 mm	59%
25Mon	+26°C	+20°C	+23°C	2-4 m/s, SSE	0 mm	74%
26Tue	+25°C	+20°C	+23°C	2-3 m/s, SSE	0.3 mm	81%
27Wed	+26°C	+18°C	+22°C	2-4 m/s, S	0 mm	76%
28Thu	+25°C	+18°C	+23°C	2-4 m/s, SSE	0 mm	77%
29Fri	+26°C	+20°C	+24°C	2-4 m/s, SSE	0.5 mm	78%
30Sat	+22°C	+19°C	+23°C	2 m/s, ENE	0.7 mm	81%
31Sun	+26°C	+17°C	+23°C	3-5 m/s, ESE	0 mm	74%

Weather highs and lows in Niteroi for august

Warmest day: 23 august, +32°C
Coldest night: 1 august, +14°C
Max precipitation: 9 august, 1.3 mm
Warmest water: 1 august, +24°C
Coldest water: 4 august, +22°C

Climate in Niteroi in august

Year: 2025
Average daytime temperature: +25°C
Average nighttime temperature: +18°C
Water temperature: +23°C
Precipitation (month): 4.4 mm
Days with precipitation: 1
Humidity: 71%
Wind: 2 m/s

Daily air temperature for the month

Day Night

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August	Day	Night	Sea t°	Wind	Precip	Humidity
1Thu	+25°C	+17°C	—	3-6 m/s, ESE	0 mm	73%
2Fri	+26°C	+17°C	—	3-5 m/s, E	0 mm	70%
3Sat	+27°C	+17°C	—	2-4 m/s, E	0 mm	70%
4Sun	+29°C	+19°C	—	2 m/s, ENE	0 mm	70%
5Mon	+30°C	+20°C	—	2 m/s, N	0 mm	61%
6Tue	+30°C	+21°C	—	1-3 m/s, ESE	0 mm	59%
7Wed	+31°C	+21°C	—	2 m/s, NNW	0 mm	49%
8Thu	+33°C	+22°C	—	2 m/s, NNW	0 mm	48%
9Fri	+26°C	+21°C	—	2-3 m/s, SW	0 mm	70%
10Sat	+22°C	+15°C	—	4-5 m/s, SW	5.4 mm	90%
11Sun	+21°C	+15°C	—	1-2 m/s, ENE	0 mm	67%
12Mon	+23°C	+16°C	—	3-6 m/s, WSW	0 mm	67%
13Tue	+20°C	+16°C	—	3-5 m/s, SW	0.1 mm	56%
14Wed	+23°C	+13°C	—	2-4 m/s, ENE	0 mm	65%
15Thu	+26°C	+16°C	—	2 m/s, SSE	0 mm	68%
16Fri	+28°C	+18°C	—	1-2 m/s, SE	0 mm	69%
17Sat	+30°C	+20°C	—	1-2 m/s, SE	0 mm	65%
18Sun	+30°C	+19°C	—	2 m/s, E	0 mm	58%
19Mon	+31°C	+20°C	—	2 m/s, ENE	0 mm	53%
20Tue	+30°C	+21°C	—	3-5 m/s, SW	0 mm	52%
21Wed	+27°C	+20°C	—	3 m/s, SSW	0 mm	71%
22Thu	+31°C	+19°C	—	2 m/s, ESE	0 mm	65%
23Fri	+34°C	+21°C	—	2-4 m/s, NNE	0 mm	48%
24Sat	+27°C	+22°C	—	4-6 m/s, SSW	0.2 mm	64%
25Sun	+23°C	+18°C	—	3-5 m/s, SW	1.3 mm	86%
26Mon	+18°C	+15°C	—	3-5 m/s, SW	4.9 mm	90%
27Tue	+20°C	+15°C	—	2-3 m/s, SSW	0 mm	69%
28Wed	+23°C	+14°C	—	2-4 m/s, E	0 mm	68%
29Thu	+25°C	+15°C	—	2-3 m/s, ESE	0 mm	74%
30Fri	+27°C	+17°C	—	2 m/s, WNW	0 mm	65%
31Sat	+27°C	+18°C	—	2 m/s, SSE	0 mm	65%

Weather highs and lows in Niteroi for august

Warmest day: 23 august, +34°C
Coldest night: 14 august, +13°C
Max precipitation: 10 august, 5.4 mm
Warmest water: —
Coldest water: —

Climate in Niteroi in august

Year: 2024
Average daytime temperature: +27°C
Average nighttime temperature: +18°C
Water temperature: —
Precipitation (month): 11.9 mm
Days with precipitation: 3
Humidity: 66%
Wind: 2 m/s

Daily air temperature for the month

Day Night

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August	Day	Night	Sea t°	Wind	Precip	Humidity
1Tue	+26°C	+17°C	—	2 m/s, SSE	0 mm	80%
2Wed	+28°C	+16°C	—	2-3 m/s, NNE	0 mm	74%
3Thu	+31°C	+17°C	—	2 m/s, WNW	0 mm	60%
4Fri	+25°C	+18°C	—	2-3 m/s, SW	0 mm	75%
5Sat	+26°C	+18°C	—	1-2 m/s, SE	0 mm	75%
6Sun	+28°C	+18°C	—	2 m/s, ESE	0 mm	73%
7Mon	+31°C	+19°C	—	2-3 m/s, NNW	0 mm	56%
8Tue	+23°C	+20°C	—	3-4 m/s, WSW	0.7 mm	76%
9Wed	+25°C	+19°C	—	4-5 m/s, E	0.2 mm	82%
10Thu	+27°C	+19°C	—	2-3 m/s, E	0 mm	75%
11Fri	+31°C	+20°C	—	2 m/s, NNE	0 mm	64%
12Sat	+31°C	+20°C	—	2-3 m/s, NNE	0 mm	58%
13Sun	+23°C	+20°C	—	3-4 m/s, SW	0.4 mm	88%
14Mon	+23°C	+19°C	—	3-4 m/s, ESE	3 mm	86%
15Tue	+25°C	+19°C	—	2-4 m/s, SSE	0.2 mm	81%
16Wed	+26°C	+19°C	—	3-4 m/s, E	0 mm	79%
17Thu	+28°C	+18°C	—	2-3 m/s, NE	0 mm	74%
18Fri	+31°C	+19°C	—	2 m/s, NNE	0 mm	62%
19Sat	+29°C	+20°C	—	4-6 m/s, WSW	0 mm	62%
20Sun	+25°C	+20°C	—	2 m/s, SE	0 mm	78%
21Mon	+28°C	+19°C	—	2-3 m/s, WNW	0 mm	75%
22Tue	+30°C	+20°C	—	2-3 m/s, ENE	0 mm	68%
23Wed	+35°C	+21°C	—	3-4 m/s, NNW	0 mm	50%
24Thu	+37°C	+21°C	—	2-3 m/s, NNW	0 mm	42%
25Fri	+26°C	+21°C	—	3-4 m/s, S	0 mm	80%
26Sat	+24°C	+18°C	—	3-4 m/s, SSE	2.2 mm	88%
27Sun	+18°C	+17°C	—	3-5 m/s, ESE	7.9 mm	92%
28Mon	+17°C	+15°C	—	2 m/s, NNE	2.3 mm	94%
29Tue	+19°C	+17°C	—	3-4 m/s, E	1.8 mm	92%
30Wed	+24°C	+18°C	—	2 m/s, SSW	0.1 mm	86%
31Thu	+26°C	+19°C	—	1-2 m/s, SE	0 mm	82%

Weather highs and lows in Niteroi for august

Warmest day: 24 august, +37°C
Coldest night: 28 august, +15°C
Max precipitation: 27 august, 7.9 mm
Warmest water: —
Coldest water: —

Climate in Niteroi in august

Year: 2023
Average daytime temperature: +27°C
Average nighttime temperature: +19°C
Water temperature: —
Precipitation (month): 18.8 mm
Days with precipitation: 5
Humidity: 74%
Wind: 2 m/s

Daily air temperature for the month

Day Night

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August	Day	Night	Sea t°	Wind	Precip	Humidity
1Mon	+29°C	+16°C	—	2-3 m/s, E	0 mm	74%
2Tue	+28°C	+19°C	—	2-3 m/s, E	0 mm	79%
3Wed	+28°C	+19°C	—	2-3 m/s, E	0 mm	79%
4Thu	+31°C	+18°C	—	2-3 m/s, E	0 mm	73%
5Fri	+31°C	+19°C	—	4-5 m/s, WNW	0 mm	59%
6Sat	+23°C	+20°C	—	3-4 m/s, SE	0.1 mm	80%
7Sun	+26°C	+19°C	—	2-3 m/s, SE	0 mm	79%
8Mon	+24°C	+20°C	—	2 m/s, WSW	0.1 mm	81%
9Tue	+22°C	+20°C	—	1 m/s, NNE	0.2 mm	89%
10Wed	+25°C	+19°C	—	1-2 m/s, S	1 mm	89%
11Thu	+21°C	+17°C	—	6-7 m/s, SW	1 mm	67%
12Fri	+22°C	+17°C	—	2-3 m/s, SE	0.9 mm	67%
13Sat	+25°C	+15°C	—	3 m/s, E	0 mm	72%
14Sun	+27°C	+16°C	—	2-4 m/s, E	0 mm	66%
15Mon	+29°C	+15°C	—	2-3 m/s, ENE	0 mm	62%
16Tue	+32°C	+17°C	—	3 m/s, NNE	0 mm	50%
17Wed	+27°C	+19°C	—	2-3 m/s, SSW	0 mm	65%
18Thu	+33°C	+19°C	—	2-4 m/s, NNE	0 mm	60%
19Fri	+23°C	+17°C	—	4-6 m/s, SW	1.2 mm	77%
20Sat	+18°C	+17°C	—	3-4 m/s, S	0.6 mm	83%
21Sun	+21°C	+15°C	—	2 m/s, ESE	0.2 mm	72%
22Mon	+22°C	+15°C	—	2-4 m/s, E	0.1 mm	68%
23Tue	+23°C	+15°C	—	3-4 m/s, WSW	0 mm	76%
24Wed	+25°C	+17°C	—	3-4 m/s, WSW	0.1 mm	80%
25Thu	+27°C	+17°C	—	3-4 m/s, E	0 mm	76%
26Fri	+29°C	+19°C	—	2 m/s, E	0 mm	70%
27Sat	+31°C	+20°C	—	2-3 m/s, E	0 mm	67%
28Sun	+31°C	+20°C	—	3-5 m/s, ESE	0 mm	62%
29Mon	+21°C	+16°C	—	5-6 m/s, SW	2.3 mm	81%
30Tue	+19°C	+16°C	—	2 m/s, SSE	0.7 mm	64%
31Wed	+22°C	+13°C	—	3-4 m/s, ENE	0 mm	67%

Weather highs and lows in Niteroi for august

Warmest day: 18 august, +33°C
Coldest night: 31 august, +13°C
Max precipitation: 29 august, 2.3 mm
Warmest water: —
Coldest water: —

Climate in Niteroi in august

Year: 2022
Average daytime temperature: +26°C
Average nighttime temperature: +18°C
Water temperature: —
Precipitation (month): 8.5 mm
Days with precipitation: 4
Humidity: 72%
Wind: 3 m/s

Daily air temperature for the month

Day Night

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August	Day	Night	Sea t°	Wind	Precip	Humidity
1Sun	+22°C	+14°C	—	3 m/s, E	0 mm	66%
2Mon	+24°C	+14°C	—	2 m/s, ENE	0 mm	70%
3Tue	+21°C	+16°C	—	3-5 m/s, WSW	0.2 mm	76%
4Wed	+21°C	+17°C	—	3 m/s, SW	0.5 mm	78%
5Thu	+22°C	+15°C	—	2 m/s, ENE	0.2 mm	81%
6Fri	+24°C	+16°C	—	3-4 m/s, E	0 mm	77%
7Sat	+25°C	+16°C	—	3-4 m/s, ENE	0 mm	72%
8Sun	+26°C	+16°C	—	2-3 m/s, E	0 mm	68%
9Mon	+28°C	+17°C	—	2-4 m/s, ENE	0 mm	64%
10Tue	+30°C	+18°C	—	2-3 m/s, ENE	0 mm	60%
11Wed	+24°C	+20°C	—	3-6 m/s, WSW	0.1 mm	67%
12Thu	+22°C	+20°C	—	2-3 m/s, SW	2 mm	84%
13Fri	+23°C	+19°C	—	4-5 m/s, ESE	0.5 mm	83%
14Sat	+22°C	+19°C	—	4 m/s, ESE	0.6 mm	86%
15Sun	+24°C	+19°C	—	3-4 m/s, ESE	0 mm	88%
16Mon	+26°C	+18°C	—	2 m/s, ENE	3.2 mm	87%
17Tue	+29°C	+18°C	—	2-3 m/s, E	0 mm	77%
18Wed	+31°C	+19°C	—	2-3 m/s, E	0 mm	72%
19Thu	+31°C	+20°C	—	2 m/s, ENE	0 mm	70%
20Fri	+32°C	+19°C	—	2-3 m/s, NE	0 mm	62%
21Sat	+31°C	+20°C	—	2-3 m/s, ENE	0 mm	52%
22Sun	+31°C	+20°C	—	2-3 m/s, ENE	0 mm	54%
23Mon	+33°C	+21°C	—	2 m/s, NE	0 mm	53%
24Tue	+34°C	+22°C	—	2-3 m/s, ENE	0 mm	49%
25Wed	+34°C	+22°C	—	2 m/s, NE	0 mm	51%
26Thu	+36°C	+20°C	—	3-4 m/s, NNE	0 mm	46%
27Fri	+25°C	+21°C	—	3-4 m/s, WSW	0 mm	74%
28Sat	+26°C	+21°C	—	2-3 m/s, SW	0.2 mm	81%
29Sun	+26°C	+20°C	—	2 m/s, E	0.5 mm	78%
30Mon	+24°C	+18°C	—	3-4 m/s, E	1.2 mm	76%
31Tue	+24°C	+17°C	—	3-4 m/s, E	1 mm	82%

Weather highs and lows in Niteroi for august

Warmest day: 26 august, +36°C
Coldest night: 1 august, +14°C
Max precipitation: 16 august, 3.2 mm
Warmest water: —
Coldest water: —

Climate in Niteroi in august

Year: 2021
Average daytime temperature: +27°C
Average nighttime temperature: +19°C
Water temperature: —
Precipitation (month): 10.2 mm
Days with precipitation: 4
Humidity: 70%
Wind: 2 m/s

Daily air temperature for the month

Day Night

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August	Day	Night	Sea t°	Wind	Precip	Humidity
1Sat	+24°C	+18°C	—	3-4 m/s, ENE	0 mm	71%
2Sun	+25°C	+18°C	—	2-3 m/s, E	0 mm	72%
3Mon	+24°C	+17°C	—	2 m/s, E	0 mm	70%
4Tue	+24°C	+17°C	—	2-3 m/s, ENE	0 mm	71%
5Wed	+25°C	+17°C	—	3 m/s, ENE	0 mm	68%
6Thu	+26°C	+17°C	—	3-4 m/s, E	0 mm	70%
7Fri	+26°C	+17°C	—	3-4 m/s, E	0 mm	69%
8Sat	+27°C	+18°C	—	2-4 m/s, ENE	0 mm	69%
9Sun	+27°C	+18°C	—	2-4 m/s, S	0 mm	68%
10Mon	+29°C	+18°C	—	2-3 m/s, ENE	0 mm	61%
11Tue	+31°C	+20°C	—	2 m/s, SSE	0 mm	57%
12Wed	+29°C	+21°C	—	2-3 m/s, SW	0 mm	62%
13Thu	+32°C	+20°C	—	2-4 m/s, NNE	0 mm	62%
14Fri	+32°C	+21°C	—	2-3 m/s, ENE	0 mm	60%
15Sat	+33°C	+22°C	—	2 m/s, NE	0 mm	58%
16Sun	+25°C	+21°C	—	3-4 m/s, SSE	0.2 mm	77%
17Mon	+27°C	+21°C	—	2 m/s, SSE	0 mm	84%
18Tue	+27°C	+21°C	—	2-3 m/s, SSE	0 mm	80%
19Wed	+31°C	+22°C	—	3-4 m/s, SW	0 mm	68%
20Thu	+23°C	+20°C	—	3-4 m/s, SSW	0.8 mm	84%
21Fri	+20°C	+18°C	—	4-5 m/s, WSW	3.1 mm	85%
22Sat	+18°C	+14°C	—	4 m/s, SSE	6.8 mm	87%
23Sun	+21°C	+14°C	—	1-2 m/s, E	0.2 mm	64%
24Mon	+22°C	+15°C	—	2 m/s, W	0.4 mm	65%
25Tue	+21°C	+16°C	—	2-3 m/s, SSW	0.1 mm	65%
26Wed	+22°C	+17°C	—	2-3 m/s, WSW	0.2 mm	66%
27Thu	+25°C	+17°C	—	2-4 m/s, SE	0 mm	77%
28Fri	+29°C	+18°C	—	3-4 m/s, E	0 mm	77%
29Sat	+31°C	+20°C	—	2 m/s, NE	0 mm	69%
30Sun	+33°C	+21°C	—	2 m/s, SSE	0 mm	62%
31Mon	+26°C	+22°C	—	3-4 m/s, WSW	0 mm	73%

Weather highs and lows in Niteroi for august

Warmest day: 15 august, +33°C
Coldest night: 22 august, +14°C
Max precipitation: 22 august, 6.8 mm
Warmest water: —
Coldest water: —

Climate in Niteroi in august

Year: 2020
Average daytime temperature: +26°C
Average nighttime temperature: +19°C
Water temperature: —
Precipitation (month): 11.8 mm
Days with precipitation: 2
Humidity: 70%
Wind: 2 m/s

Daily air temperature for the month

Day Night

Tap a date to open detailed weather for that day

August	Day	Night	Sea t°	Wind	Precip	Humidity
1Thu	+27°C	+18°C	—	2-4 m/s, ENE	0 mm	78%
2Fri	+32°C	+20°C	—	2 m/s, NNE	0 mm	65%
3Sat	+21°C	+18°C	—	4-5 m/s, SSW	1.9 mm	90%
4Sun	+18°C	+17°C	—	3-4 m/s, SSW	3.9 mm	84%
5Mon	+20°C	+17°C	—	3 m/s, E	0.4 mm	83%
6Tue	+23°C	+17°C	—	3-4 m/s, ENE	0 mm	82%
7Wed	+26°C	+18°C	—	2-3 m/s, ENE	0 mm	83%
8Thu	+26°C	+19°C	—	2 m/s, ENE	0 mm	81%
9Fri	+27°C	+20°C	—	2-4 m/s, E	0 mm	83%
10Sat	+31°C	+19°C	—	2 m/s, SW	0 mm	74%
11Sun	+27°C	+21°C	—	3-4 m/s, SSW	0 mm	77%
12Mon	+28°C	+20°C	—	2 m/s, ENE	0 mm	80%
13Tue	+29°C	+20°C	—	3-5 m/s, WSW	0.5 mm	75%
14Wed	+20°C	+17°C	—	5 m/s, SSW	0.9 mm	85%
15Thu	+19°C	+16°C	—	3-4 m/s, ESE	0.8 mm	78%
16Fri	+23°C	+15°C	—	3-4 m/s, E	0 mm	72%
17Sat	+26°C	+15°C	—	3 m/s, ENE	0 mm	71%
18Sun	+31°C	+17°C	—	2 m/s, SSE	0 mm	60%
19Mon	+23°C	+20°C	—	3-4 m/s, SW	0.5 mm	83%
20Tue	+21°C	+19°C	—	3-4 m/s, ESE	2.2 mm	96%
21Wed	+20°C	+18°C	—	3-4 m/s, SE	0.6 mm	88%
22Thu	+20°C	+18°C	—	2-3 m/s, SW	0.3 mm	80%
23Fri	+20°C	+17°C	—	3 m/s, E	0.6 mm	86%
24Sat	+21°C	+17°C	—	2-3 m/s, SW	0.5 mm	88%
25Sun	+20°C	+18°C	—	2 m/s, SSE	1.8 mm	82%
26Mon	+21°C	+17°C	—	3-4 m/s, E	0.1 mm	82%
27Tue	+23°C	+17°C	—	3-5 m/s, E	0 mm	84%
28Wed	+21°C	+18°C	—	3-4 m/s, E	0 mm	80%
29Thu	+24°C	+16°C	—	3-4 m/s, ENE	0 mm	82%
30Fri	+27°C	+18°C	—	2-3 m/s, ENE	0 mm	76%
31Sat	+31°C	+20°C	—	2 m/s, SSE	0 mm	68%

Weather highs and lows in Niteroi for august

Warmest day: 2 august, +32°C
Coldest night: 16 august, +15°C
Max precipitation: 4 august, 3.9 mm
Warmest water: —
Coldest water: —

Climate in Niteroi in august

Year: 2019
Average daytime temperature: +24°C
Average nighttime temperature: +18°C
Water temperature: —
Precipitation (month): 15 mm
Days with precipitation: 4
Humidity: 80%
Wind: 3 m/s

Weather in Niteroi in august by year

Year	Day	Night	Precipitation	Days with precipitation	Water
2025	+25°C	+18°C	4.4 mm	1	+23°C
2024	+27°C	+18°C	11.9 mm	3	—
2023	+27°C	+19°C	18.8 mm	5	—
2022	+26°C	+18°C	8.5 mm	4	—
2021	+27°C	+19°C	10.2 mm	4	—
2020	+26°C	+19°C	11.8 mm	2	—
2019	+24°C	+18°C	15 mm	4	—

Comparison august in Niteroi with other months

Month	Day	Night	Days with precipitation	Sunny days
January	+30°C	+24°C	7	9
February	+30°C	+24°C	7	8
March	+30°C	+23°C	5	11
April	+28°C	+21°C	4	11
May	+27°C	+20°C	3	16
June	+26°C	+19°C	3	17
July	+26°C	+18°C	2	19
August	+26°C	+18°C	3	18
September	+28°C	+20°C	3	16
October	+27°C	+21°C	7	7
November	+27°C	+21°C	8	7
December	+29°C	+22°C	8	7