The temperatures in Grand Forks in May are quite cold with temperatures between 8°C and 19°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Grand Forks. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Grand Forks in May 2025.
If you’re planning to visit Grand Forks in the near future, we highly recommend that you review the 14 day weather forecast for Grand Forks before you arrive.
Temperatures
19° / 8°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
96
mm
Sun Hours
5.9
Hrs
