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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Unionville, MO
Content continues below
May
Average Temperature
High
22°
Feels 22
Low
11°
Feels 10
Average Precipitation
12 Days
Rain amount
147mm
Snow amount
0.1cm
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
26°
19
17°
20
16°
21
17°
22
20°
23
23°
24
26°
25
27°
26
27°
27
27°
28
26°
29
25°
30
25°
31
22°
Forecast
Sunday, May 17, 2026
Day
28°
Feels 29
Wind
34 km/h S
Gust
51 km/h
Humidity
60%
P.O.P
30%
Night
19°
Feels 19
Wind
32 km/h S
Gust
48 km/h
Humidity
95%
P.O.P
100%
Rain
15-20 mm
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.