Olten Climate: Weather by Month and Best Time to Visit

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

Best time to visit

Year at a glance

Jan 4.1 Feb 4.6 Mar 5.0 Apr 5.6 May 5.8 Jun 6.2 Jul 6.3 Aug 6.4 Sep 6.5 Oct 5.9 Nov 4.9 Dec 4.0

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	4°C	-1°C	86 mm	13	–	–	4.1
February	5°C	-1°C	77 mm	12	–	–	4.6
March	10°C	2°C	94 mm	15	–	–	5.0
April	14°C	4°C	106 mm	16	–	–	5.6
May	18°C	9°C	154 mm	17	–	–	5.8
June	21°C	12°C	155 mm	19	–	–	6.2
July	23°C	14°C	170 mm	18	–	–	6.3
August	23°C	14°C	161 mm	17	–	–	6.4
September	18°C	10°C	117 mm	14	–	–	6.5
October	13°C	6°C	98 mm	13	–	–	5.9
November	7°C	2°C	94 mm	13	–	–	4.9
December	4°C	-1°C	101 mm	14	–	–	4.0