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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Keaau, HI
Content continues below
May
Average Temperature
High
22°
Feels 22
Low
18°
Feels 17
Average Precipitation
6 Days
Rain amount
47mm
Snow amount
0cm
Content continues below
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
17
18
19
20
21
22
28°
23
27°
24
27°
25
27°
26
27°
27
26°
28
27°
29
27°
30
28°
31
28°
Forecast
Friday, May 22, 2026
Day
28°
Feels 30
Wind
22 km/h N
Gust
34 km/h
Humidity
64%
P.O.P
90%
Rain
~5 mm
Night
20°
Feels 20
Wind
15 km/h NW
Gust
23 km/h
Humidity
89%
P.O.P
90%
Rain
~5 mm
Historical Averages
May 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.