Grand Forks Weather Year-Round — Best Time to Visit
Grand Forks, United States has cool weather year-round. The best time to visit is August (score: 86/100). Annual average high: 10.1°C, total rainfall: 620mm.
When is the best time to visit Grand Forks?
86
August is the best month to visit Grand Forks with a travel score of 86/100 (Excellent).
Expect highs of 25.6°C, 8 rain days, and 11.6 hours of daily sunshine.
View August weather details →Travel Score by Month
44
Jan
49
Feb
52
Mar
67
Apr
73
May
81
Jun
85
Jul
86
Aug
80
Sep
63
Oct
49
Nov
41
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Grand Forks each month?
10.1°C
Avg High
0.6°C
Avg Low
620mm
Annual Rain
How much rain does Grand Forks get?
Grand Forks receives 620mm of rain annually. The wettest month is typically June with 95mm, while February is the driest.
What is the weather like each month in Grand Forks?
January
44
-9°C
Low: -18°C
5 rain days
Mixed
February
49
-6°C
Low: -16°C
4 rain days
Mixed
March
52
2°C
Low: -8°C
6 rain days
Mixed
April
67
11°C
Low: 0°C
7 rain days
Good
May
73
18°C
Low: 7°C
11 rain days
Good
June
81
24°C
Low: 14°C
11 rain days
Excellent
July
85
27°C
Low: 17°C
9 rain days
Excellent
August
Best time to visit86
26°C
Low: 16°C
8 rain days
Excellent
September
80
21°C
Low: 11°C
7 rain days
Excellent
October
63
12°C
Low: 4°C
7 rain days
Good
November
49
2°C
Low: -5°C
5 rain days
Mixed
December
41
-6°C
Low: -14°C
6 rain days
Mixed
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Data based on 1994–2024 averages · Last updated: 2024-12-31