The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Winner, SD
Content continues below
May
Average Temperature
High
21°
Feels 21
Low
9°
Feels 7
Average Precipitation
12 Days
Rain amount
108.3mm
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
18°
18
9°
19
13°
20
19°
21
19°
22
20°
23
23°
24
26°
25
26°
26
26°
27
26°
28
27°
29
26°
30
25°
31
27°
Forecast
Sunday, May 17, 2026
Day
18°
Feels 18
Wind
34 km/h NW
Gust
51 km/h
Humidity
73%
P.O.P
90%
Rain
5-10 mm
Night
6°
Feels 2
Wind
31 km/h N
Gust
47 km/h
Humidity
93%
P.O.P
40%
Rain
<1 mm
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.