Barnstable Climate: Weather by Month and Best Time to Visit

Best months for Barnstable: July, August, September.

Best time to visit

Year at a glance

Jan 4.2 Feb 4.4 Mar 4.6 Apr 5.3 May 6.2 Jun 7.3 Jul 8.1 Aug 8.0 Sep 7.5 Oct 6.4 Nov 5.8 Dec 4.8

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	4°C	-1°C	110 mm	11	–	–	4.2
February	3°C	-1°C	95 mm	10	–	–	4.4
March	5°C	1°C	122 mm	11	–	–	4.6
April	9°C	6°C	109 mm	11	–	–	5.3
May	13°C	10°C	91 mm	10	–	–	6.2
June	18°C	15°C	82 mm	8	–	–	7.3
July	22°C	19°C	64 mm	7	–	–	8.1
August	22°C	20°C	81 mm	8	–	–	8.0
September	19°C	17°C	100 mm	8	–	–	7.5
October	15°C	12°C	123 mm	10	–	–	6.4
November	11°C	7°C	111 mm	10	–	–	5.8
December	7°C	2°C	131 mm	12	–	–	4.8