Grimsby Climate: Weather by Month and Best Time to Visit

Best months for Grimsby: August, July, September, June.

Best time to visit

Year at a glance

Jan 5.1 Feb 5.4 Mar 5.6 Apr 6.0 May 6.5 Jun 6.8 Jul 7.1 Aug 7.3 Sep 7.1 Oct 6.3 Nov 5.6 Dec 5.2

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	7°C	2°C	49 mm	11	–	–	5.1
February	8°C	2°C	40 mm	10	–	–	5.4
March	10°C	4°C	43 mm	11	–	–	5.6
April	12°C	5°C	48 mm	11	–	–	6.0
May	15°C	8°C	52 mm	11	–	–	6.5
June	18°C	11°C	65 mm	12	–	–	6.8
July	20°C	13°C	70 mm	13	–	–	7.1
August	20°C	13°C	66 mm	12	–	–	7.3
September	18°C	11°C	56 mm	10	–	–	7.1
October	14°C	8°C	59 mm	11	–	–	6.3
November	10°C	5°C	55 mm	12	–	–	5.6
December	7°C	3°C	52 mm	11	–	–	5.2