Saint-Hilaire-de-Riez Weather in October with Sea Temperature

October weather in Saint-Hilaire-de-Riez includes average daytime air +18°C, nighttime +13°C, average sea temperature +17°C. Daily water temperatures usually range from +16°C to +18°C, which is cool for long swims. 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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October	Day	Night	Sea t°	Wind	Precip	Humidity
1Wed	+19°C	+15°C	+18°C	5 m/s	1.7 mm	74%
2Thu	+18°C	+15°C	+18°C	6 m/s	2 mm	77%
3Fri	+18°C	+14°C	+18°C	6 m/s	1.3 mm	79%
4Sat	+17°C	+13°C	+18°C	5 m/s	0.3 mm	74%
5Sun	+18°C	+13°C	+18°C	7 m/s	0.9 mm	68%
6Mon	+18°C	+13°C	+18°C	5 m/s	0.3 mm	70%
7Tue	+19°C	+13°C	+18°C	5 m/s	0.1 mm	67%
8Wed	+19°C	+14°C	+18°C	5 m/s	0.3 mm	68%
9Thu	+19°C	+13°C	+18°C	5 m/s	1.2 mm	73%
10Fri	+19°C	+13°C	+18°C	4 m/s	0 mm	69%
11Sat	+19°C	+13°C	+18°C	5 m/s	0 mm	70%
12Sun	+19°C	+13°C	+17°C	4 m/s	0.1 mm	72%
13Mon	+19°C	+13°C	+17°C	5 m/s	0.2 mm	74%
14Tue	+18°C	+12°C	+17°C	5 m/s	0.1 mm	74%
15Wed	+18°C	+12°C	+17°C	5 m/s	0.4 mm	70%
16Thu	+18°C	+12°C	+17°C	5 m/s	0.5 mm	71%
17Fri	+18°C	+13°C	+17°C	4 m/s	0.4 mm	74%
18Sat	+18°C	+13°C	+17°C	6 m/s	0.2 mm	77%
19Sun	+18°C	+14°C	+17°C	6 m/s	1.1 mm	80%
20Mon	+18°C	+15°C	+17°C	8 m/s	1.2 mm	82%
21Tue	+17°C	+14°C	+16°C	8 m/s	0.8 mm	77%
22Wed	+17°C	+13°C	+16°C	5 m/s	0.6 mm	78%
23Thu	+17°C	+13°C	+17°C	8 m/s	1.4 mm	75%
24Fri	+17°C	+14°C	+16°C	8 m/s	0.4 mm	76%
25Sat	+16°C	+13°C	+17°C	7 m/s	1.5 mm	78%
26Sun	+16°C	+13°C	+17°C	5 m/s	1 mm	75%
27Mon	+16°C	+13°C	+17°C	7 m/s	2.7 mm	77%
28Tue	+17°C	+14°C	+16°C	6 m/s	0.7 mm	78%
29Wed	+17°C	+14°C	+16°C	6 m/s	0.2 mm	80%
30Thu	+17°C	+13°C	+16°C	5 m/s	0.6 mm	83%
31Fri	+18°C	+14°C	+16°C	7 m/s	0.6 mm	82%

Sea water temperature by months

Water +17°C

Day and night air temperature

Day +18°C Night +13°C

Weather highs and lows in Saint-Hilaire-de-Riez for october

Warmest day: 7 october, +19°C
Coldest night: 15 october, +12°C
Max precipitation: 27 october, 2.7 mm
Warmest sea water: 1 october, +18°C
Coldest sea water: 21 october, +16°C

Climate in Saint-Hilaire-de-Riez in october

Average daytime temperature: +18°C
Average nighttime temperature: +13°C
Sea water temperature: —
Precipitation (monthly average): 22.5 mm
Days with precipitation: 5.8
Humidity: 75%
Wind: 6 m/s
Data: 6 years / coverage 100%

Daily air temperature for the month

Day Night

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October	Day	Night	Sea t°	Wind	Precip	Humidity
1Wed	+21°C	+14°C	—	3-4 m/s, ESE	0 mm	54%
2Thu	+21°C	+13°C	—	4-5 m/s, ESE	0 mm	56%
3Fri	+20°C	+17°C	—	5-6 m/s, WSW	0 mm	78%
4Sat	+19°C	+15°C	—	10 m/s, NW	0.1 mm	78%
5Sun	+17°C	+14°C	—	6-8 m/s, NW	0 mm	60%
6Mon	+18°C	+11°C	—	3-5 m/s, ESE	0 mm	64%
7Tue	+22°C	+13°C	—	4 m/s, E	0 mm	62%
8Wed	+22°C	+15°C	—	3 m/s, NNE	0 mm	62%
9Thu	+22°C	+12°C	—	5-6 m/s, NE	0 mm	64%
10Fri	+22°C	+12°C	—	5-6 m/s, ENE	0 mm	61%
11Sat	+23°C	+13°C	—	6 m/s, E	0 mm	63%
12Sun	+23°C	+13°C	—	5-6 m/s, E	0 mm	61%
13Mon	+22°C	+12°C	—	6-7 m/s, ENE	0 mm	59%
14Tue	+21°C	+12°C	—	7-8 m/s, ENE	0 mm	68%
15Wed	+20°C	+11°C	—	7-8 m/s, ENE	0 mm	65%
16Thu	+20°C	+11°C	—	6-7 m/s, ENE	0 mm	66%
17Fri	+20°C	+10°C	—	6-7 m/s, E	0 mm	62%
18Sat	+18°C	+10°C	—	5-6 m/s, SE	0 mm	65%
19Sun	+18°C	+16°C	—	7-12 m/s, SSW	3.2 mm	80%
20Mon	+17°C	+16°C	—	11-13 m/s, WSW	0.5 mm	83%
21Tue	+17°C	+15°C	—	7-10 m/s, WSW	0.4 mm	82%
22Wed	+18°C	+15°C	—	10-12 m/s, W	3.1 mm	88%
23Thu	+18°C	+13°C	—	17-19 m/s, W	5.5 mm	77%
24Fri	+14°C	+13°C	—	9-10 m/s, W	0.7 mm	67%
25Sat	+15°C	+11°C	—	8-9 m/s, WNW	0.9 mm	74%
26Sun	+14°C	+11°C	—	7-8 m/s, NW	0 mm	60%
27Mon	+16°C	+14°C	—	9-10 m/s, W	0.3 mm	80%
28Tue	+16°C	+13°C	—	4-6 m/s, WSW	0 mm	72%
29Wed	+15°C	+12°C	—	3-5 m/s, SW	0 mm	81%
30Thu	+15°C	+10°C	—	5-6 m/s, SSE	0 mm	88%
31Fri	+17°C	+15°C	—	6-8 m/s, S	0 mm	84%

Weather highs and lows in Saint-Hilaire-de-Riez for october

Warmest day: 11 october, +23°C
Coldest night: 17 october, +10°C
Max precipitation: 23 october, 5.5 mm
Warmest water: —
Coldest water: —

Climate in Saint-Hilaire-de-Riez in october

Year: 2025
Average daytime temperature: +19°C
Average nighttime temperature: +13°C
Water temperature: —
Precipitation (month): 14.7 mm
Days with precipitation: 3
Humidity: 70%
Wind: 6 m/s

Daily air temperature for the month

Day Night

Daily sea water temperature for the month

Water

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October	Day	Night	Sea t°	Wind	Precip	Humidity
1Tue	+16°C	+13°C	+18°C	3-4 m/s, SSW	3.4 mm	87%
2Wed	+15°C	+12°C	+18°C	2-4 m/s, SW	0 mm	80%
3Thu	+18°C	+11°C	+18°C	4-5 m/s, NNE	0 mm	78%
4Fri	+16°C	+10°C	+18°C	3-4 m/s, ESE	0 mm	72%
5Sat	+17°C	+11°C	+18°C	6-7 m/s, SE	0 mm	68%
6Sun	+18°C	+16°C	+18°C	7 m/s, SSW	1 mm	93%
7Mon	+18°C	+16°C	+18°C	6-8 m/s, SW	0.2 mm	88%
8Tue	+17°C	+15°C	+18°C	10-12 m/s, SW	1.1 mm	84%
9Wed	+17°C	+13°C	+18°C	10-12 m/s, S	6.8 mm	95%
10Thu	+16°C	+14°C	+18°C	6-8 m/s, NW	0 mm	80%
11Fri	+15°C	+10°C	+18°C	3-4 m/s, ESE	0 mm	77%
12Sat	+19°C	+14°C	+17°C	5-6 m/s, SSE	0.1 mm	80%
13Sun	+19°C	+14°C	+17°C	3-4 m/s, SE	0 mm	83%
14Mon	+21°C	+16°C	+17°C	3-4 m/s, E	0 mm	83%
15Tue	+20°C	+16°C	+17°C	5-7 m/s, E	0.9 mm	83%
16Wed	+19°C	+17°C	+17°C	7-9 m/s, S	1.6 mm	90%
17Thu	+17°C	+15°C	+17°C	4-7 m/s, W	0.9 mm	86%
18Fri	+15°C	+13°C	+17°C	6-7 m/s, NW	0 mm	82%
19Sat	+16°C	+14°C	+17°C	5-7 m/s, NW	1.2 mm	85%
20Sun	+18°C	+15°C	+17°C	6-8 m/s, S	0.1 mm	86%
21Mon	+17°C	+12°C	+16°C	4-7 m/s, SSE	0.1 mm	88%
22Tue	+16°C	+11°C	+16°C	3-4 m/s, ENE	0 mm	79%
23Wed	+18°C	+11°C	+17°C	5-6 m/s, E	0 mm	76%
24Thu	+18°C	+14°C	+16°C	6 m/s, S	0 mm	88%
25Fri	+16°C	+11°C	+17°C	6-7 m/s, WNW	0.3 mm	75%
26Sat	+14°C	+9°C	+17°C	2-4 m/s, S	0.1 mm	70%
27Sun	+14°C	+12°C	+17°C	3-4 m/s, SSE	0 mm	70%
28Mon	+18°C	+13°C	+16°C	2 m/s, ENE	0 mm	84%
29Tue	+19°C	+14°C	+16°C	3-4 m/s, ENE	0 mm	84%
30Wed	+20°C	+14°C	+16°C	7-8 m/s, ENE	0 mm	81%
31Thu	+20°C	+13°C	+16°C	5-7 m/s, ESE	0 mm	80%

Weather highs and lows in Saint-Hilaire-de-Riez for october

Warmest day: 14 october, +21°C
Coldest night: 26 october, +9°C
Max precipitation: 9 october, 6.8 mm
Warmest water: 1 october, +18°C
Coldest water: 21 october, +16°C

Climate in Saint-Hilaire-de-Riez in october

Year: 2024
Average daytime temperature: +17°C
Average nighttime temperature: +13°C
Water temperature: —
Precipitation (month): 17.8 mm
Days with precipitation: 6
Humidity: 82%
Wind: 5 m/s

Daily air temperature for the month

Day Night

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October	Day	Night	Sea t°	Wind	Precip	Humidity
1Sun	+24°C	+18°C	—	3-4 m/s, SE	0 mm	67%
2Mon	+23°C	+20°C	—	5-6 m/s, SSE	0 mm	69%
3Tue	+20°C	+16°C	—	6-8 m/s, NW	0.2 mm	75%
4Wed	+19°C	+12°C	—	3-4 m/s, ESE	0 mm	65%
5Thu	+21°C	+13°C	—	3-4 m/s, ESE	0 mm	52%
6Fri	+22°C	+14°C	—	3-4 m/s, ESE	0 mm	46%
7Sat	+24°C	+15°C	—	3-4 m/s, ESE	0 mm	45%
8Sun	+24°C	+16°C	—	4-5 m/s, ESE	0 mm	40%
9Mon	+23°C	+18°C	—	3-4 m/s, SSE	0 mm	51%
10Tue	+23°C	+17°C	—	2-3 m/s, SW	0 mm	53%
11Wed	+23°C	+19°C	—	3-4 m/s, SW	0 mm	60%
12Thu	+23°C	+19°C	—	3 m/s, SW	0 mm	72%
13Fri	+22°C	+19°C	—	6-10 m/s, WNW	0 mm	72%
14Sat	+18°C	+12°C	—	6-9 m/s, NNW	0.2 mm	61%
15Sun	+17°C	+10°C	—	5-6 m/s, ENE	0 mm	55%
16Mon	+18°C	+10°C	—	6-8 m/s, E	0 mm	48%
17Tue	+22°C	+14°C	—	8-9 m/s, SE	0.2 mm	63%
18Wed	+20°C	+18°C	—	12-14 m/s, SW	0.8 mm	82%
19Thu	+19°C	+15°C	—	9-10 m/s, SW	2.3 mm	77%
20Fri	+17°C	+15°C	—	8-14 m/s, ENE	2.2 mm	78%
21Sat	+17°C	+14°C	—	12-14 m/s, W	0.8 mm	64%
22Sun	+18°C	+15°C	—	6-8 m/s, S	0.4 mm	67%
23Mon	+18°C	+13°C	—	7-9 m/s, SSW	2 mm	78%
24Tue	+17°C	+14°C	—	7-11 m/s, SSW	1.3 mm	67%
25Wed	+18°C	+15°C	—	8-11 m/s, W	3 mm	78%
26Thu	+16°C	+14°C	—	8-10 m/s, WSW	5.1 mm	82%
27Fri	+16°C	+14°C	—	9-10 m/s, WSW	12.9 mm	71%
28Sat	+17°C	+14°C	—	12-15 m/s, SW	4 mm	80%
29Sun	+16°C	+14°C	—	11-12 m/s, WSW	0.9 mm	75%
30Mon	+16°C	+13°C	—	7-9 m/s, SW	3.1 mm	78%
31Tue	+17°C	+15°C	—	9-10 m/s, WSW	2.6 mm	78%

Weather highs and lows in Saint-Hilaire-de-Riez for october

Warmest day: 1 october, +24°C
Coldest night: 15 october, +10°C
Max precipitation: 27 october, 12.9 mm
Warmest water: —
Coldest water: —

Climate in Saint-Hilaire-de-Riez in october

Year: 2023
Average daytime temperature: +20°C
Average nighttime temperature: +15°C
Water temperature: —
Precipitation (month): 42 mm
Days with precipitation: 10
Humidity: 66%
Wind: 6 m/s

Daily air temperature for the month

Day Night

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October	Day	Night	Sea t°	Wind	Precip	Humidity
1Sat	+17°C	+15°C	—	8-11 m/s, WNW	0.7 mm	87%
2Sun	+18°C	+16°C	—	6-7 m/s, WSW	0.3 mm	92%
3Mon	+18°C	+15°C	—	2-3 m/s, S	0.1 mm	89%
4Tue	+17°C	+14°C	—	2 m/s, W	0 mm	86%
5Wed	+19°C	+15°C	—	5-6 m/s, WSW	0.4 mm	82%
6Thu	+18°C	+10°C	—	4-6 m/s, NNE	0 mm	66%
7Fri	+18°C	+10°C	—	4 m/s, S	0 mm	58%
8Sat	+18°C	+11°C	—	4-5 m/s, SE	0 mm	77%
9Sun	+19°C	+11°C	—	4-5 m/s, SE	0 mm	68%
10Mon	+19°C	+16°C	—	3-4 m/s, W	0 mm	81%
11Tue	+19°C	+15°C	—	4-5 m/s, E	0.2 mm	77%
12Wed	+17°C	+12°C	—	4 m/s, S	0 mm	68%
13Thu	+17°C	+14°C	—	5-7 m/s, SSW	0.5 mm	80%
14Fri	+18°C	+17°C	—	7-9 m/s, WSW	0.5 mm	93%
15Sat	+18°C	+15°C	—	6-10 m/s, WSW	1.4 mm	88%
16Sun	+19°C	+15°C	—	4-5 m/s, SE	1.2 mm	86%
17Mon	+19°C	+16°C	—	2-3 m/s, W	0.5 mm	87%
18Tue	+21°C	+15°C	—	5-6 m/s, ESE	0 mm	86%
19Wed	+21°C	+16°C	—	5-7 m/s, SSE	0 mm	82%
20Thu	+20°C	+15°C	—	6-8 m/s, SSE	0.9 mm	80%
21Fri	+19°C	+17°C	—	6-7 m/s, SW	0 mm	75%
22Sat	+19°C	+16°C	—	5-7 m/s, SE	0 mm	82%
23Sun	+20°C	+17°C	—	9-13 m/s, SSW	0.8 mm	72%
24Mon	+18°C	+16°C	—	9-11 m/s, WSW	0.2 mm	78%
25Tue	+19°C	+15°C	—	6-7 m/s, SE	1.4 mm	81%
26Wed	+19°C	+17°C	—	5-7 m/s, SSE	0 mm	80%
27Thu	+20°C	+17°C	—	6-7 m/s, SSE	0.1 mm	78%
28Fri	+20°C	+17°C	—	4-6 m/s, S	0 mm	78%
29Sat	+19°C	+16°C	—	7-9 m/s, S	0 mm	77%
30Sun	+17°C	+15°C	—	3-4 m/s, WNW	0.2 mm	82%
31Mon	+18°C	+13°C	—	6-9 m/s, SE	0 mm	81%

Weather highs and lows in Saint-Hilaire-de-Riez for october

Warmest day: 18 october, +21°C
Coldest night: 6 october, +10°C
Max precipitation: 15 october, 1.4 mm
Warmest water: —
Coldest water: —

Climate in Saint-Hilaire-de-Riez in october

Year: 2022
Average daytime temperature: +19°C
Average nighttime temperature: +15°C
Water temperature: —
Precipitation (month): 9.4 mm
Days with precipitation: 3
Humidity: 80%
Wind: 5 m/s

Daily air temperature for the month

Day Night

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October	Day	Night	Sea t°	Wind	Precip	Humidity
1Fri	+17°C	+14°C	—	5-6 m/s, SW	0.4 mm	74%
2Sat	+18°C	+15°C	—	8-14 m/s, S	2.3 mm	88%
3Sun	+17°C	+15°C	—	8-11 m/s, WNW	3.8 mm	72%
4Mon	+18°C	+15°C	—	5-7 m/s, SW	0 mm	69%
5Tue	+17°C	+14°C	—	9-10 m/s, WNW	4.7 mm	75%
6Wed	+16°C	+12°C	—	4-7 m/s, NW	0.1 mm	70%
7Thu	+18°C	+11°C	—	3-4 m/s, ENE	0 mm	71%
8Fri	+18°C	+12°C	—	5 m/s, ENE	0 mm	65%
9Sat	+18°C	+12°C	—	5-6 m/s, NE	0 mm	72%
10Sun	+17°C	+11°C	—	4-5 m/s, NE	0 mm	68%
11Mon	+17°C	+11°C	—	5-6 m/s, NE	0 mm	70%
12Tue	+16°C	+9°C	—	5 m/s, NE	0 mm	71%
13Wed	+18°C	+10°C	—	4-5 m/s, NE	0 mm	72%
14Thu	+16°C	+9°C	—	4-5 m/s, E	0 mm	60%
15Fri	+17°C	+9°C	—	3-4 m/s, SSW	0 mm	52%
16Sat	+17°C	+10°C	—	3-4 m/s, ESE	0 mm	63%
17Sun	+17°C	+11°C	—	3-5 m/s, SE	0.5 mm	68%
18Mon	+17°C	+15°C	—	4-5 m/s, SSE	0.4 mm	77%
19Tue	+19°C	+16°C	—	5-6 m/s, SSE	0 mm	84%
20Wed	+18°C	+15°C	—	9-14 m/s, WSW	2.4 mm	84%
21Thu	+16°C	+11°C	—	9-14 m/s, W	0.2 mm	71%
22Fri	+13°C	+7°C	—	4-5 m/s, NNE	0 mm	66%
23Sat	+14°C	+8°C	—	4-5 m/s, E	0 mm	66%
24Sun	+16°C	+11°C	—	5 m/s, S	0 mm	72%
25Mon	+16°C	+14°C	—	4-5 m/s, W	0 mm	83%
26Tue	+16°C	+13°C	—	2-3 m/s, SW	0 mm	84%
27Wed	+15°C	+12°C	—	3-4 m/s, SSE	0 mm	81%
28Thu	+16°C	+12°C	—	5-7 m/s, SSE	0 mm	80%
29Fri	+16°C	+14°C	—	7-8 m/s, SW	0.1 mm	80%
30Sat	+16°C	+15°C	—	6-8 m/s, SW	0 mm	84%
31Sun	+16°C	+14°C	—	8-9 m/s, SSW	0.6 mm	86%

Weather highs and lows in Saint-Hilaire-de-Riez for october

Warmest day: 19 october, +19°C
Coldest night: 22 october, +7°C
Max precipitation: 5 october, 4.7 mm
Warmest water: —
Coldest water: —

Climate in Saint-Hilaire-de-Riez in october

Year: 2021
Average daytime temperature: +17°C
Average nighttime temperature: +12°C
Water temperature: —
Precipitation (month): 15.5 mm
Days with precipitation: 4
Humidity: 73%
Wind: 5 m/s

Daily air temperature for the month

Day Night

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October	Day	Night	Sea t°	Wind	Precip	Humidity
1Thu	+16°C	+13°C	—	7-9 m/s, W	5.7 mm	77%
2Fri	+14°C	+11°C	—	10-15 m/s, WSW	9.2 mm	76%
3Sat	+14°C	+11°C	—	10-15 m/s, W	3.8 mm	82%
4Sun	+15°C	+13°C	—	9-10 m/s, W	1.6 mm	72%
5Mon	+15°C	+12°C	—	10 m/s, WNW	0 mm	70%
6Tue	+16°C	+14°C	—	9-10 m/s, W	0.7 mm	79%
7Wed	+16°C	+14°C	—	7-9 m/s, WNW	0.1 mm	75%
8Thu	+17°C	+16°C	—	5-6 m/s, WSW	0.5 mm	82%
9Fri	+17°C	+13°C	—	5-6 m/s, NW	0.4 mm	85%
10Sat	+14°C	+10°C	—	5-6 m/s, NNW	0.1 mm	72%
11Sun	+15°C	+11°C	—	6-7 m/s, NNW	0 mm	71%
12Mon	+13°C	+9°C	—	4-5 m/s, S	0.4 mm	82%
13Tue	+13°C	+11°C	—	7-8 m/s, NW	0.4 mm	76%
14Wed	+14°C	+8°C	—	5 m/s, NNE	0.1 mm	79%
15Thu	+13°C	+8°C	—	5-6 m/s, NNE	0 mm	74%
16Fri	+13°C	+7°C	—	4 m/s, NE	0 mm	70%
17Sat	+14°C	+9°C	—	3-4 m/s, SE	0 mm	75%
18Sun	+15°C	+8°C	—	3-4 m/s, E	0 mm	69%
19Mon	+17°C	+9°C	—	7-9 m/s, SE	0 mm	74%
20Tue	+17°C	+14°C	—	9 m/s, S	1 mm	82%
21Wed	+18°C	+15°C	—	8-11 m/s, SSW	3.5 mm	82%
22Thu	+18°C	+14°C	—	3-4 m/s, SSW	0 mm	86%
23Fri	+15°C	+13°C	—	4-7 m/s, W	0.1 mm	81%
24Sat	+16°C	+14°C	—	9-10 m/s, SW	0.2 mm	84%
25Sun	+14°C	+13°C	—	8-11 m/s, WSW	3.2 mm	76%
26Mon	+14°C	+12°C	—	8-9 m/s, WNW	1.1 mm	71%
27Tue	+16°C	+11°C	—	9-11 m/s, SW	2.8 mm	80%
28Wed	+15°C	+13°C	—	9-10 m/s, WSW	0.3 mm	72%
29Thu	+16°C	+13°C	—	7-8 m/s, WSW	0.2 mm	83%
30Fri	+16°C	+12°C	—	4-5 m/s, S	0 mm	86%
31Sat	+17°C	+13°C	—	6-8 m/s, SSW	0.1 mm	82%

Weather highs and lows in Saint-Hilaire-de-Riez for october

Warmest day: 21 october, +18°C
Coldest night: 16 october, +7°C
Max precipitation: 2 october, 9.2 mm
Warmest water: —
Coldest water: —

Climate in Saint-Hilaire-de-Riez in october

Year: 2020
Average daytime temperature: +15°C
Average nighttime temperature: +12°C
Water temperature: —
Precipitation (month): 35.5 mm
Days with precipitation: 9
Humidity: 78%
Wind: 7 m/s

Weather in Saint-Hilaire-de-Riez in october by year

Year	Day	Night	Precipitation	Days with precipitation	Water
2025	+19°C	+13°C	14.7 mm	3	—
2024	+17°C	+13°C	17.8 mm	6	—
2023	+20°C	+15°C	42 mm	10	—
2022	+19°C	+15°C	9.4 mm	3	—
2021	+17°C	+12°C	15.5 mm	4	—
2020	+15°C	+12°C	35.5 mm	9	—

Comparison october in Saint-Hilaire-de-Riez with other months

Month	Day	Night	Days with precipitation	Sunny days
January	+9°C	+6°C	8	8
February	+11°C	+7°C	4	7
March	+12°C	+7°C	6	8
April	+15°C	+9°C	4	9
May	+18°C	+12°C	3	10
June	+21°C	+15°C	4	12
July	+22°C	+16°C	1	14
August	+23°C	+17°C	3	15
September	+21°C	+15°C	4	12
October	+18°C	+13°C	6	10
November	+14°C	+10°C	7	8
December	+11°C	+7°C	7	6