Weather in Rio on 8 August 2026
Preliminary outlook for 8 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +31°C and nighttime around +23°C, average precipitation 0 mm, wind around 2 m/s, humidity around 58%.
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.
+28°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +23°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 45%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 3% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 73° ↗ (ENE) |
Sunrise
06:41
Duration
13 h 54 min
Sunset
20:35
Moonrise
20:28
Moonset
05:29
Moon phase
Waxing Gibbous
Illumination
98%
+27°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +24°C
Sea temperature: +27°C
Precipitation: 0 mm
Wind: 1 — 2 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +27°C |
| Feels like (avg.) | +31°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 226° ↖ (NW) |
Sunrise
06:41
Duration
13 h 54 min
Sunset
20:35
Moonrise
10:39
Moonset
22:43
Moon phase
Waxing Crescent
Illumination
20%
+25°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 69%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 2% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 263° ← (W) |
Sunrise
06:41
Duration
13 h 54 min
Sunset
20:35
Moonrise
Does not rise today
Moonset
14:02
Moon phase
Last Quarter
Illumination
49%
+29°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 47%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 14% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 107° → (E) |
Sunrise
06:41
Duration
13 h 54 min
Sunset
20:35
Moonrise
17:30
Moonset
01:54
Moon phase
Waxing Gibbous
Illumination
73%
+27°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 54%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 1% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 213° ← (WNW) |
Sunrise
06:41
Duration
13 h 54 min
Sunset
20:35
Moonrise
06:21
Moonset
21:03
Moon phase
New Moon
Illumination
0%
+23°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +20°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 73%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 7 h |
| UV index | 6 | Cloud cover (avg.) | 47% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 233° ↙ (WSW) |
Sunrise
06:41
Duration
13 h 54 min
Sunset
20:35
Moonrise
23:32
Moonset
11:24
Moon phase
Waning Gibbous
Illumination
67%
Weather in Rio on 8 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+32°C
|
+23°C
|
+28°C | 14 h | 7 | 45% | 4 — 5 m/s |
| 2024 |
+30°C
|
+24°C
|
+27°C | 13 h | 7 | 60% | 1 — 2 m/s |
| 2023 |
+29°C
|
+21°C
|
+25°C | 14 h | 6 | 69% | 3 — 4 m/s |
| 2022 |
+35°C
|
+23°C
|
+29°C | 13 h | 7 | 47% | 2 — 4 m/s |
| 2021 |
+31°C
|
+24°C
|
+27°C | 14 h | 7 | 54% | 2 — 3 m/s |
| 2020 |
+26°C
|
+20°C
|
+23°C | 7 h | 6 | 73% | 2 — 3 m/s |