Porsgrunn Climate: Weather by Month and Best Time to Visit

Best months for Porsgrunn: July, August, June, May.

Best time to visit

Year at a glance

Jan 3.5 Feb 4.0 Mar 4.8 Apr 5.7 May 6.5 Jun 6.7 Jul 7.1 Aug 6.8 Sep 6.4 Oct 5.3 Nov 4.3 Dec 3.7

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	0°C	-5°C	92 mm	12	–	–	3.5
February	1°C	-5°C	64 mm	10	–	–	4.0
March	5°C	-3°C	62 mm	9	–	–	4.8
April	10°C	1°C	60 mm	9	–	–	5.7
May	15°C	6°C	74 mm	11	–	–	6.5
June	18°C	9°C	94 mm	12	–	–	6.7
July	21°C	12°C	99 mm	13	–	–	7.1
August	20°C	11°C	106 mm	14	–	–	6.8
September	15°C	8°C	101 mm	12	–	–	6.4
October	10°C	4°C	107 mm	13	–	–	5.3
November	5°C	0°C	108 mm	13	–	–	4.3
December	1°C	-4°C	84 mm	12	–	–	3.7