Isle of Lewis Climate: Weather by Month and Best Time to Visit

Best months for Isle of Lewis: August, September, June, July.

Best time to visit

Year at a glance

Jan 4.5 Feb 4.8 Mar 4.7 Apr 5.1 May 5.4 Jun 5.7 Jul 5.7 Aug 5.8 Sep 5.8 Oct 5.1 Nov 4.9 Dec 4.7

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	8°C	4°C	100 mm	16	–	–	4.5
February	8°C	4°C	82 mm	15	–	–	4.8
March	9°C	4°C	84 mm	17	–	–	4.7
April	11°C	5°C	74 mm	16	–	–	5.1
May	13°C	7°C	76 mm	17	–	–	5.4
June	15°C	10°C	79 mm	17	–	–	5.7
July	17°C	11°C	88 mm	19	–	–	5.7
August	17°C	11°C	94 mm	18	–	–	5.8
September	15°C	10°C	89 mm	16	–	–	5.8
October	12°C	8°C	103 mm	17	–	–	5.1
November	10°C	6°C	91 mm	16	–	–	4.9
December	8°C	4°C	90 mm	16	–	–	4.7