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Monthly
Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Grafton, ND
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May
Average Temperature
High
18°
Feels 17
Low
6°
Feels 3
Average Precipitation
10 Days
Rain amount
60.7mm
Snow amount
0.3cm
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
9°
20
17°
21
21°
22
20°
23
18°
24
25°
25
24°
26
26°
27
23°
28
25°
29
25°
30
25°
31
26°
Forecast
Tuesday, May 19, 2026
Day
9°
Feels 7
Wind
23 km/h NW
Gust
35 km/h
Humidity
53%
P.O.P
30%
Night
0°
Feels -3
Wind
16 km/h NW
Gust
24 km/h
Humidity
86%
P.O.P
30%
Historical Averages
May 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.