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7 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Swan, MO
Content continues below
May
Average Temperature
High
25°
Feels 26
Low
13°
Feels 13
Average Precipitation
12 Days
Rain amount
109.4mm
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
22
23
24
25
26
23°
27
29°
28
22°
29
26°
30
27°
31
25°
Forecast
Tuesday, May 26, 2026
Day
23°
Feels 23
Wind
9 km/h E
Gust
14 km/h
Humidity
78%
P.O.P
100%
Rain
15-20 mm
Night
18°
Feels 18
Wind
10 km/h E
Gust
14 km/h
Humidity
100%
P.O.P
40%
Rain
<1 mm
Historical Averages
May 26
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.