Sierre Climate: Weather by Month and Best Time to Visit

Best months for Sierre: August, July, September.

Best time to visit

Year at a glance

Jan 3.3 Feb 3.5 Mar 3.5 Apr 4.3 May 4.7 Jun 5.6 Jul 6.0 Aug 6.3 Sep 5.9 Oct 5.0 Nov 3.2 Dec 3.1

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	-5°C	-14°C	117 mm	12	–	–	3.3
February	-2°C	-12°C	99 mm	12	–	–	3.5
March	2°C	-7°C	101 mm	13	–	–	3.5
April	6°C	-3°C	106 mm	13	–	–	4.3
May	11°C	1°C	138 mm	16	–	–	4.7
June	15°C	5°C	130 mm	17	–	–	5.6
July	17°C	7°C	127 mm	16	–	–	6.0
August	17°C	6°C	119 mm	14	–	–	6.3
September	13°C	3°C	106 mm	13	–	–	5.9
October	9°C	-1°C	102 mm	12	–	–	5.0
November	1°C	-8°C	122 mm	13	–	–	3.2
December	-4°C	-13°C	125 mm	13	–	–	3.1