Delaware Climate: Weather by Month and Best Time to Visit

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

Best time to visit

Year at a glance

Jan 3.9 Feb 4.6 Mar 5.4 Apr 6.5 May 7.1 Jun 7.4 Jul 7.5 Aug 7.8 Sep 8.0 Oct 7.2 Nov 5.9 Dec 4.6

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	2°C	-6°C	83 mm	11	–	–	3.9
February	4°C	-4°C	69 mm	10	–	–	4.6
March	10°C	0°C	95 mm	12	–	–	5.4
April	17°C	6°C	116 mm	13	–	–	6.5
May	22°C	12°C	111 mm	14	–	–	7.1
June	27°C	17°C	105 mm	12	–	–	7.4
July	28°C	19°C	91 mm	12	–	–	7.5
August	28°C	18°C	74 mm	10	–	–	7.8
September	24°C	14°C	73 mm	9	–	–	8.0
October	18°C	8°C	74 mm	9	–	–	7.2
November	11°C	2°C	80 mm	10	–	–	5.9
December	5°C	-3°C	86 mm	10	–	–	4.6