Watertown Climate: Weather by Month and Best Time to Visit

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

Best time to visit

Year at a glance

Jan 3.2 Feb 3.6 Mar 4.1 Apr 5.5 May 6.7 Jun 7.3 Jul 7.2 Aug 7.4 Sep 7.4 Oct 5.8 Nov 4.7 Dec 3.3

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	-2°C	-9°C	86 mm	14	–	–	3.2
February	-1°C	-9°C	71 mm	11	–	–	3.6
March	3°C	-4°C	82 mm	12	–	–	4.1
April	11°C	3°C	103 mm	12	–	–	5.5
May	17°C	9°C	86 mm	12	–	–	6.7
June	22°C	15°C	102 mm	12	–	–	7.3
July	25°C	18°C	106 mm	13	–	–	7.2
August	24°C	17°C	96 mm	12	–	–	7.4
September	21°C	13°C	97 mm	10	–	–	7.4
October	14°C	7°C	116 mm	13	–	–	5.8
November	8°C	1°C	98 mm	14	–	–	4.7
December	2°C	-4°C	96 mm	15	–	–	3.3