Norrtälje Climate: Weather by Month and Best Time to Visit

Best months for Norrtälje: July, August, June.

Best time to visit

Year at a glance

Jan 4.1 Feb 4.2 Mar 4.8 Apr 5.7 May 6.5 Jun 6.9 Jul 7.5 Aug 7.2 Sep 6.8 Oct 5.8 Nov 4.8 Dec 4.2

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	0°C	-4°C	36 mm	9	–	–	4.1
February	0°C	-4°C	29 mm	7	–	–	4.2
March	3°C	-2°C	29 mm	7	–	–	4.8
April	8°C	1°C	31 mm	8	–	–	5.7
May	13°C	5°C	39 mm	9	–	–	6.5
June	17°C	10°C	59 mm	10	–	–	6.9
July	20°C	13°C	62 mm	10	–	–	7.5
August	20°C	13°C	64 mm	12	–	–	7.2
September	15°C	9°C	50 mm	9	–	–	6.8
October	9°C	5°C	50 mm	10	–	–	5.8
November	5°C	1°C	49 mm	11	–	–	4.8
December	2°C	-2°C	46 mm	11	–	–	4.2