Best year time to visit Delaware

General weather information about Delaware

Average annual temperature is 5.7 °C

Absolute maximum temperature: 29.1 °C

Absolute minimum temperature: -21.8 °C

Number of sunny days: 154 days

Number of rainy days: 147 days

Number of snow days: 64 days

Look at detailed online map of Delaware

* Weather data for Delaware United States is based on climate observations for 2026 year

Delaware air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	0.9	7.0	5.4	16.4	29.0	28.3	26.3	25.7	29.1	27.4	15.8	7.2
Average daytime temperature (°C)	-3.2	-3.7	-1.1	5.1	15.6	20.5	20.1	20.5	18.7	10.7	4.1	2.0
Average temperature (°C)	-5.3	-6.8	-3.9	1.4	10.1	15.2	15.9	16.5	15.3	8.5	1.2	-0.3
Average night temperature (°C)	-7.1	-9.7	-6.3	-1.4	5.6	10.9	12.3	13.5	12.8	6.8	-1.1	-2.2
Absolute minimum temperature (°C)	-18.0	-21.8	-11.3	-6.9	-1.3	5.3	9.5	8.8	8.7	-2.3	-9.1	-7.2

Delaware monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	10.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	8.0
Daylight mean duration (h)	9.0	10.3	11.9	13.6	15.1	15.9	15.5	14.2	12.6	10.9	9.3	8.5
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	8.0	8.0
Sunshine mean duration (h)	1.9	5.5	6.7	7.2	11.1	11.7	12.3	11.0	9.3	5.2	3.9	2.9
Precipitation (mm)	64	68	57	141	79	139	42	77	54	75	58	53
Sunny days	4	6	16	10	21	18	15	14	18	6	10	16
Rainy days	8	5	3	14	10	12	16	17	12	23	15	12
Snow days	19	17	12	6	0	0	0	0	0	2	5	3

Delaware - weather forecast by months

Delaware weather in january Delaware weather in february Delaware weather in march Delaware weather in april Delaware weather in may Delaware weather in june Delaware weather in july Delaware weather in august Delaware weather in september Delaware weather in october Delaware weather in november Delaware weather in december

Best time to visit Delaware:

The best time to visit Delaware during the most sunny months:

May — 11.1(h)
June — 11.7(h)
July — 12.3(h)
August — 11.0(h)
September — 9.3(h)

Months with the longest average daylight duration in Delaware:

June — 15.9(h)
July — 15.5(h)

The largest precipitation sum in Delaware is at

April — 141(mm)

June — 139(mm)

Weather forecast in the closest to Delaware admin centers