Weather in Rio on 9 August 2026
Preliminary outlook for 9 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +31°C and nighttime around +24°C, average precipitation 0 mm, wind around 3 m/s, humidity around 52%.
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.
+27°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +22°C
Precipitation: 0 mm
Wind: 5 — 5 m/s
Humidity: 43%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 66° ↗ (ENE) |
Sunrise
06:42
Duration
13 h 52 min
Sunset
20:34
Moonrise
20:56
Moonset
06:33
Moon phase
Full Moon
Illumination
100%
+28°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +25°C
Sea temperature: +28°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 4% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +28°C |
| Feels like (avg.) | +30°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 220° ↖ (NNW) |
Sunrise
06:42
Duration
13 h 51 min
Sunset
20:33
Moonrise
11:39
Moonset
23:04
Moon phase
Waxing Crescent
Illumination
28%
+26°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 56%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 16% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 116° ↗ (NE) |
Sunrise
06:42
Duration
13 h 52 min
Sunset
20:34
Moonrise
00:25
Moonset
15:15
Moon phase
Last Quarter
Illumination
42%
+29°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 3 — 3 m/s
Humidity: 43%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 6% |
| 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.) | +14°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 82° → (E) |
Sunrise
06:42
Duration
13 h 52 min
Sunset
20:34
Moonrise
18:37
Moonset
02:46
Moon phase
Waxing Gibbous
Illumination
81%
+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: 53%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 1% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 249° ← (W) |
Sunrise
06:42
Duration
13 h 52 min
Sunset
20:34
Moonrise
07:21
Moonset
21:33
Moon phase
Waxing Crescent
Illumination
3%
+26°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 3 — 3 m/s
Humidity: 61%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 51% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 99° ↗ (NE) |
Sunrise
06:42
Duration
13 h 51 min
Sunset
20:33
Moonrise
23:58
Moonset
12:24
Moon phase
Waning Gibbous
Illumination
59%
Weather in Rio on 9 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+32°C
|
+22°C
|
+27°C | 14 h | 7 | 43% | 5 — 5 m/s |
| 2024 |
+31°C
|
+25°C
|
+28°C | 14 h | 7 | 58% | 2 — 3 m/s |
| 2023 |
+30°C
|
+24°C
|
+26°C | 14 h | 7 | 56% | 4 — 5 m/s |
| 2022 |
+34°C
|
+24°C
|
+29°C | 14 h | 7 | 43% | 3 — 3 m/s |
| 2021 |
+31°C
|
+24°C
|
+27°C | 14 h | 7 | 53% | 2 — 3 m/s |
| 2020 |
+29°C
|
+22°C
|
+26°C | 12 h | 6 | 61% | 3 — 3 m/s |