Weather in Rio Branco: August
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Average day temperature: | 95.5°F |
| Average night temperature: | 73.9°F | |
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Number of sunny days: | 22 days |
| Day length: | 11.7 - 11.9 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.1 in. | |
| more information | ||
14 days
forecast
forecast
| Rio Branco |
weather in
September
September
| Rio Branco |
Air temperature in August, °F
Show year:
2026
2025
2024
The highest day temperature during August of 2026 was 104°F. At the same time the lowest night temperature was 71°F. Daily and nightly averages during August were 98.0°F and 75.4°F.
Sunny, partly cloudy and cloudy days
Mostly all days in August are sunny but cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Rio Branco in August is 0.1 in. Other months of the year show relatively similar values.
Wind speed in August, mph
The average wind speed value in August is 4.1 mph It makes August most windy month of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 9.0.
Best time for vacation in Rio Branco
Rio Branco on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Rio Branco
Local time: 10:41
September 15, tuesday
1200
95°F
NE
4 mph
4 mph
1500
95°F
E
4 mph
4 mph
1800
88°F
E
1 mph
1 mph
2100
84°F
NW
4 mph
4 mph
September 16, wednesday
0000
81°F
N
4 mph
4 mph
0300
79°F
NW
3 mph
3 mph
0600
77°F
W
1 mph
1 mph
0900
90°F
NW
4 mph
4 mph
