Wilmington, DE Weather & Climate Normals
What a normal year in Wilmington actually looks like
On the 30-year record NOAA keeps for Wilmington, DE, the comfort score comes out to 49/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Wilmington's weather actually swings
Average temperatures in Wilmington run from 31°F in Jan up to 76°F in Jul, a 44.7°F seasonal swing, a middling gap by national standards.
Wilmington, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 38°F | 24°F | 3.67in | 5.3in |
| Feb | 41°F | 25°F | 3.03in | 4in |
| Mar | 49°F | 32°F | 4.65in | 1.8in |
| Apr | 61°F | 43°F | 4.06in | 0in |
| May | 71°F | 52°F | 3.76in | 0in |
| Jun | 79°F | 62°F | 4.71in | 0in |
| Jul | 84°F | 67°F | 5.17in | 0in |
| Aug | 82°F | 66°F | 4.39in | 0in |
| Sep | 75°F | 59°F | 5.13in | 0in |
| Oct | 63°F | 47°F | 4.12in | 0in |
| Nov | 53°F | 37°F | 3.25in | 0.1in |
| Dec | 43°F | 29°F | 4.37in | 0.8in |
If you're timing a visit, May, Jun, Aug, Sep, and Oct are Wilmington's mildest stretch; if you're moving there, you should plan around Jul's heat and Jan's cold instead.
How wet Wilmington actually gets
Over a typical year, Wilmington sees about 50.31in of precipitation a year across roughly 113 days with measurable rain or snow, with 12in of snow a year.
Wilmington against the rest of the country
Out of 4876 cities scored here, Wilmington comes in at 2038; within DE alone it ranks 3 of 11. Population is about 73,176.
Checking the actual forecast
These figures come from Wilmington Porter Rsch, DE US, the NOAA station 2.7 miles from Wilmington, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is