Weather in Grand Forks: May
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Average day temperature: | 63.9°F |
| Average night temperature: | 49.6°F | |
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Number of sunny days: | 14 days |
| Day length: | 14.5 - 15.8 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 0.9 in. | |
| more information | ||
14 days
forecast
forecast
| Grand Forks |
weather in
June
June
| Grand Forks |
Air temperature in May, °F
Show year:
2026
2025
2024
The highest day temperature during May of 2026 was 92°F. At the same time the lowest night temperature was 29°F. Daily and nightly averages during May were 65.8°F and 47.3°F.
Sunny, partly cloudy and cloudy days
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Grand Forks in May is 0.9 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 10.4 mph It makes May one of the most windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 9.1.
Best time for vacation in Grand Forks
Grand Forks on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Grand Forks
Local time: 05:10
September 19, saturday
0600
57°F
W
4 mph
4 mph
0900
59°F
W
5 mph
5 mph
1200
63°F
SW
5 mph
5 mph
1500
68°F
SW
7 mph
7 mph
1800
68°F
SW
11 mph
11 mph
2100
61°F
S
11 mph
11 mph
September 20, sunday
0000
59°F
SW
9 mph
9 mph
0300
55°F
SW
11 mph
11 mph
