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7 Days
14 Days
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Monthly
Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Rio Branco, AC
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Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
31°
17
32°
18
27°
19
27°
20
28°
21
29°
22
29°
23
28°
24
30°
25
31°
26
32°
27
32°
28
31°
29
31°
30
32°
31
Forecast
Saturday, May 16, 2026
Day
31°
Feels 38
Wind
6 km/h N
Gust
9 km/h
Humidity
67%
P.O.P
90%
Rain
2-4 mm
Night
23°
Feels 23
Wind
6 km/h NE
Gust
9 km/h
Humidity
98%
P.O.P
30%
Historical Averages
May 16
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
May
Average Temperature
High
30°
Feels 32
Low
20°
Feels 20
Average Precipitation
17 Days
Rain amount
93.7mm
Snow amount
0cm