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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Hilo, HI
Content continues below
May
Average Temperature
High
22°
Feels 22
Low
18°
Feels 18
Average Precipitation
4 Days
Rain amount
35mm
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
28°
18
27°
19
27°
20
27°
21
26°
22
27°
23
27°
24
27°
25
27°
26
27°
27
26°
28
27°
29
27°
30
28°
31
27°
Forecast
Sunday, May 17, 2026
Day
28°
Feels 32
Wind
16 km/h E
Gust
25 km/h
Humidity
75%
P.O.P
90%
Rain
10-15 mm
Night
21°
Feels 22
Wind
8 km/h W
Gust
12 km/h
Humidity
91%
P.O.P
100%
Rain
~10 mm
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.