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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Boulder Creek, CA
Content continues below
May
Average Temperature
High
22°
Feels 22
Low
8°
Feels 7
Average Precipitation
3 Days
Rain amount
9.6mm
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
22°
18
25°
19
28°
20
28°
21
27°
22
24°
23
19°
24
20°
25
21°
26
18°
27
22°
28
22°
29
24°
30
24°
31
25°
Forecast
Sunday, May 17, 2026
Day
22°
Feels 22
Wind
19 km/h NW
Gust
29 km/h
Humidity
39%
P.O.P
20%
Night
15°
Feels 14
Wind
22 km/h NE
Gust
34 km/h
Humidity
55%
P.O.P
10%
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.