Climate in Delaware
(United States)
Average daytime and nighttime temperatures
All climate diagrams on this site result from the collected data from three measuring weather stations in Delaware.
All data correspond to the average monthly values of the last 20 years.
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The climate widely corresponds to Central European weather conditions. It is cold, wet and a few beautiful summer months are also happening during a year.
› Overview: Climate in the United States of America
› Daylengths and sun positions in the United States of America
› Compare climate with other regions or countries
› Daylengths and sun positions in the United States of America
› Compare climate with other regions or countries
Rain days per month
A rain day is a day on which at least 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 9 rain days, May offers the most rain days, while November has the fewest.
Precipitation amount in mm/day
The amount of precipitation is measured in millimeters per square meter. Thus, at two mm/day, two liters of water fall on one square meter within 24 hours. With only 2.4 mm, the least amount of rain falls in November. August, on the other hand, has the most rain.
Climate charts for other federal states in the United States

Most important cities in the federal state »Delaware«
The federal state has a west-east extension of about 30 km and over 130 km from north to south.City | Population | Geo position | |
---|---|---|---|
Wilmington | 70,851 | 39° 44' 45"N | 75° 32' 48"W |
Dover | 36,047 | 39° 9' 29"N | 75° 31' 28"W |
Newark | 31,454 | 39° 41' 1"N | 75° 44' 59"W |
Bear | 19,371 | 39° 37' 45"N | 75° 39' 30"W |
Middletown | 18,871 | 39° 26' 58"N | 75° 42' 59"W |
Brookside | 14,353 | 39° 40' 1"N | 75° 43' 37"W |
Glasgow | 14,303 | 39° 36' 17"N | 75° 44' 43"W |
Hockessin | 13,527 | 39° 47' 15"N | 75° 41' 48"W |
Pike Creek Valley | 11,217 | 39° 44' 10"N | 75° 41' 54"W |
Smyrna | 10,023 | 39° 17' 59"N | 75° 36' 17"W |
Milford | 9,559 | 38° 54' 45"N | 75° 25' 41"W |
Claymont | 8,253 | 39° 48' 2"N | 75° 27' 35"W |
North Star | 7,980 | 39° 45' 40"N | 75° 43' 9"W |
Pike Creek | 7,898 | 39° 43' 51"N | 75° 42' 15"W |
Wilmington Manor | 7,889 | 39° 41' 12"N | 75° 35' 4"W |
Seaford | 6,928 | 38° 38' 28"N | 75° 36' 40"W |
Georgetown | 6,422 | 38° 41' 24"N | 75° 23' 8"W |
Elsmere | 6,131 | 39° 44' 21"N | 75° 35' 53"W |
Edgemoor | 5,677 | 39° 45' 0"N | 75° 29' 59"W |
New Castle | 5,285 | 39° 39' 43"N | 75° 33' 59"W |
Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants: geonames.org, United Nations Statistics Division and own research.