Oconomowoc Climate: Weather by Month and Best Time to Visit

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

Best time to visit

Year at a glance

Jan 4.0 Feb 4.2 Mar 5.2 Apr 6.2 May 7.2 Jun 7.4 Jul 7.7 Aug 7.7 Sep 7.9 Oct 6.9 Nov 5.5 Dec 4.1

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	-2°C	-10°C	44 mm	8	–	–	4.0
February	1°C	-8°C	43 mm	7	–	–	4.2
March	7°C	-2°C	58 mm	9	–	–	5.2
April	14°C	4°C	99 mm	12	–	–	6.2
May	21°C	10°C	98 mm	12	–	–	7.2
June	26°C	16°C	97 mm	12	–	–	7.4
July	28°C	18°C	87 mm	10	–	–	7.7
August	27°C	17°C	90 mm	10	–	–	7.7
September	23°C	12°C	74 mm	9	–	–	7.9
October	16°C	6°C	72 mm	9	–	–	6.9
November	7°C	0°C	54 mm	8	–	–	5.5
December	1°C	-6°C	50 mm	8	–	–	4.1