Weather in Rio Branco on 1 August 2026
Preliminary outlook for 1 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +36°C and nighttime around +22°C, average precipitation 0 mm, wind around 2 m/s, humidity around 41%.
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.
+29°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +24°C
Precipitation: 0 mm
Wind: 1 — 2 m/s
Humidity: 52%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +37°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 19% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 309° ← (WNW) |
Sunrise
05:47
Duration
11 h 41 min
Sunset
17:28
Moonrise
11:05
Moonset
23:57
Moon phase
First Quarter
Illumination
47%
+31°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 30%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +40°C | Sun hours | 12 h |
| UV index | 8 | Cloud cover (avg.) | 13% |
| Pressure (avg.) | 759 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.) | 4 m/s | Wind direction (avg.) | 220° ↖ (NNW) |
Sunrise
05:47
Duration
11 h 41 min
Sunset
17:28
Moonrise
03:25
Moonset
15:07
Moon phase
Waning Crescent
Illumination
16%
+29°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 36%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +37°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 12% |
| 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.) | +16°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 143° → (ESE) |
Sunrise
05:47
Duration
11 h 41 min
Sunset
17:28
Moonrise
17:38
Moonset
05:41
Moon phase
Full Moon
Illumination
100%
+28°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 52%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 32% |
| Pressure (avg.) | 758 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.) | +27°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 328° ↑ (N) |
Sunrise
05:47
Duration
11 h 41 min
Sunset
17:28
Moonrise
08:34
Moonset
20:47
Moon phase
Waxing Crescent
Illumination
22%
+26°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 32%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 10% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 161° ↘ (SSE) |
Sunrise
05:47
Duration
11 h 41 min
Sunset
17:28
Moonrise
00:00
Moonset
11:57
Moon phase
Last Quarter
Illumination
40%
+27°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 41%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 6% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 151° ↘ (SSE) |
Sunrise
05:47
Duration
11 h 41 min
Sunset
17:28
Moonrise
15:51
Moonset
03:58
Moon phase
Waxing Gibbous
Illumination
82%
+27°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 1 — 1 m/s
Humidity: 44%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 7% |
| 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.) | +15°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 294° ← (WNW) |
Sunrise
05:47
Duration
11 h 41 min
Sunset
17:28
Moonrise
06:13
Moonset
18:15
Moon phase
New Moon
Illumination
0%
Weather in Rio Branco on 1 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+37°C
|
+24°C
|
+29°C | 12 h | 7 | 52% | 1 — 2 m/s |
| 2024 |
+40°C
|
+24°C
|
+31°C | 12 h | 8 | 30% | 2 — 2 m/s |
| 2023 |
+37°C
|
+22°C
|
+29°C | 12 h | 7 | 36% | 2 — 2 m/s |
| 2022 |
+34°C
|
+23°C
|
+28°C | 12 h | 7 | 52% | 2 — 3 m/s |
| 2021 |
+33°C
|
+19°C
|
+26°C | 12 h | 7 | 32% | 2 — 3 m/s |
| 2020 |
+34°C
|
+21°C
|
+27°C | 12 h | 7 | 41% | 2 — 2 m/s |
| 2019 |
+35°C
|
+21°C
|
+27°C | 12 h | 7 | 44% | 1 — 1 m/s |