Smithtown Climate: Weather by Month and Best Time to Visit

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

Best time to visit

Year at a glance

Jan 4.6 Feb 4.8 Mar 5.0 Apr 5.9 May 6.8 Jun 7.7 Jul 7.8 Aug 7.7 Sep 7.8 Oct 6.9 Nov 6.2 Dec 5.1

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	4°C	-1°C	97 mm	10	–	–	4.6
February	4°C	-1°C	89 mm	9	–	–	4.8
March	7°C	2°C	117 mm	11	–	–	5.0
April	12°C	7°C	96 mm	11	–	–	5.9
May	17°C	12°C	90 mm	11	–	–	6.8
June	22°C	18°C	92 mm	10	–	–	7.7
July	25°C	22°C	84 mm	10	–	–	7.8
August	25°C	21°C	100 mm	10	–	–	7.7
September	22°C	18°C	96 mm	9	–	–	7.8
October	17°C	13°C	113 mm	10	–	–	6.9
November	12°C	7°C	93 mm	9	–	–	6.2
December	7°C	3°C	121 mm	11	–	–	5.1