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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Tumwater, WA
Content continues below
May
Average Temperature
High
19°
Feels 18
Low
7°
Feels 6
Average Precipitation
10 Days
Rain amount
52.4mm
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
24°
22
24°
23
21°
24
21°
25
17°
26
11°
27
16°
28
19°
29
17°
30
17°
31
18°
Forecast
Thursday, May 21, 2026
Day
24°
Feels 24
Wind
11 km/h N
Gust
17 km/h
Humidity
41%
P.O.P
30%
Night
10°
Feels 9
Wind
13 km/h N
Gust
20 km/h
Humidity
87%
P.O.P
10%
Historical Averages
May 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.