Heerlen Climate: Weather by Month and Best Time to Visit

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

Best time to visit

Year at a glance

Jan 4.7 Feb 5.0 Mar 5.5 Apr 6.5 May 6.9 Jun 7.4 Jul 7.4 Aug 7.6 Sep 7.3 Oct 6.4 Nov 5.4 Dec 4.6

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	5°C	1°C	62 mm	12	–	–	4.7
February	7°C	1°C	57 mm	11	–	–	5.0
March	10°C	3°C	56 mm	12	–	–	5.5
April	14°C	6°C	44 mm	10	–	–	6.5
May	18°C	9°C	53 mm	11	–	–	6.9
June	21°C	12°C	62 mm	12	–	–	7.4
July	23°C	14°C	70 mm	13	–	–	7.4
August	23°C	14°C	67 mm	11	–	–	7.6
September	19°C	11°C	57 mm	10	–	–	7.3
October	14°C	8°C	59 mm	11	–	–	6.4
November	9°C	4°C	61 mm	12	–	–	5.4
December	6°C	2°C	72 mm	14	–	–	4.6