Weather in Buzios on 17 August 2026
Preliminary outlook for 17 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +23°C and nighttime around +20°C, average precipitation 0.2 mm, wind around 6 m/s, humidity around 81%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+20°C
Weather archive — latest year: 2025
Cloudy
Weather archive — latest year: 2025
Nighttime: +18°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 6 h |
| UV index | 4 | Cloud cover (avg.) | 63% |
| Pressure (avg.) | 767 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 59° ↗ (ENE) |
Sunrise
06:10
Duration
11 h 23 min
Sunset
17:33
Moonrise
01:11
Moonset
11:57
Moon phase
Last Quarter
Illumination
37%
+22°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 6 — 7 m/s
Humidity: 85%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 18% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 49° ↗ (ENE) |
Sunrise
06:10
Duration
11 h 23 min
Sunset
17:33
Moonrise
15:21
Moonset
04:27
Moon phase
Waxing Gibbous
Illumination
86%
+22°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 8 — 8 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 19% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 14 m/s | Wind direction (avg.) | 52° ↗ (ENE) |
Sunrise
06:11
Duration
11 h 22 min
Sunset
17:33
Moonrise
07:03
Moonset
18:40
Moon phase
Waxing Crescent
Illumination
1%
+22°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +20°C
Precipitation: 0 mm
Wind: 7 — 10 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 17 m/s | Wind direction (avg.) | 38° ↗ (NE) |
Sunrise
06:11
Duration
11 h 22 min
Sunset
17:33
Moonrise
23:10
Moonset
09:57
Moon phase
Waning Gibbous
Illumination
61%
+22°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +20°C
Precipitation: 1.2 mm
Wind: 8 — 9 m/s
Humidity: 88%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 43% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 15 m/s | Wind direction (avg.) | 50° ↗ (NE) |
Sunrise
06:10
Duration
11 h 23 min
Sunset
17:33
Moonrise
12:42
Moonset
01:40
Moon phase
First Quarter
Illumination
61%
+22°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 90%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 44% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 234° ↓ (SSW) |
Sunrise
06:10
Duration
11 h 23 min
Sunset
17:33
Moonrise
05:01
Moonset
16:07
Moon phase
Waning Crescent
Illumination
1%
+20°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 8 — 9 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 5% |
| Pressure (avg.) | 767 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 16 m/s | Wind direction (avg.) | 40° ↗ (NE) |
Sunrise
06:11
Duration
11 h 22 min
Sunset
17:33
Moonrise
19:25
Moonset
07:34
Moon phase
Waxing Gibbous
Illumination
86%
Weather in Buzios on 17 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+21°C
|
+18°C
|
+20°C | 6 h | 4 | 77% | 4 — 5 m/s |
| 2024 |
+25°C
|
+21°C
|
+22°C | 11 h | 6 | 85% | 6 — 7 m/s |
| 2023 |
+24°C
|
+21°C
|
+22°C | 11 h | 6 | 77% | 8 — 8 m/s |
| 2022 |
+24°C
|
+20°C
|
+22°C | 11 h | 6 | 77% | 7 — 10 m/s |
| 2021 |
+23°C
|
+20°C
|
+22°C | 11 h | 5 | 88% | 8 — 9 m/s |
| 2020 |
+24°C
|
+21°C
|
+22°C | 10 h | 6 | 90% | 2 — 3 m/s |
| 2019 |
+23°C
|
+18°C
|
+20°C | 11 h | 5 | 74% | 8 — 9 m/s |