Grand Forks Climate: Weather by Month and Best Time to Visit

Best months for Grand Forks: August, September, July, June.

Best time to visit

Year at a glance

Jan 4.4 Feb 4.5 Mar 4.5 Apr 6.4 May 7.2 Jun 7.3 Jul 7.7 Aug 7.8 Sep 7.8 Oct 6.4 Nov 4.7 Dec 4.3

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	-9°C	-18°C	18 mm	5	–	–	4.4
February	-6°C	-15°C	16 mm	4	–	–	4.5
March	2°C	-8°C	30 mm	6	–	–	4.5
April	12°C	0°C	44 mm	7	–	–	6.4
May	20°C	7°C	86 mm	11	–	–	7.2
June	25°C	14°C	104 mm	12	–	–	7.3
July	27°C	16°C	89 mm	10	–	–	7.7
August	26°C	14°C	81 mm	9	–	–	7.8
September	21°C	9°C	68 mm	8	–	–	7.8
October	12°C	2°C	58 mm	8	–	–	6.4
November	2°C	-6°C	29 mm	5	–	–	4.7
December	-6°C	-14°C	25 mm	6	–	–	4.3