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7 Days
14 Days
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Monthly
Precipitation
Temperature
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°Celsius
°Fahrenheit
Monthly Historical Averages
Sann, SD
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May
Average Temperature
High
45°
Feels 45
Low
26°
Feels 28
Average Precipitation
0 Days
Rain amount
1mm
Snow amount
0cm
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
44°
23
46°
24
44°
25
47°
26
48°
27
49°
28
46°
29
46°
30
45°
31
43°
Forecast
Friday, May 22, 2026
Day
44°
Feels 44
Wind
13 km/h SW
Gust
19 km/h
Humidity
17%
P.O.P
0%
Night
29°
Feels 31
Wind
28 km/h SW
Gust
42 km/h
Humidity
63%
P.O.P
0%
Historical Averages
May 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.