Wilmington (DE)
December
Weather in Wilmington, Delaware for December 2026
Your guide to Wilmington weather in December - trends and predictions
With an average of 4 snowy days, Wilmington usually enjoys a light touch of snow in December.
In general, the average temperature in Wilmington at the beginning of December is 3 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 1.9 °F by the end of December.
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Snow Forecast ❄️
Temperatures
More
24
Dry days
3
Rainy days
4
Snow days
3°/-3°
Temperatures
20 km/h
Avg max wind
76 %
Avg humidity
Wilmington Weather December
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Temperatures trend during December in Wilmington
See the weather trend as well as the moving average line
December weather in Wilmington day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Sunny | 3° /-1° | 0 mm | 0 cm | |
| Dec. 2 | Heavy rain | 3° /0° | 100.8 mm | 0 cm | |
| Dec. 3 | Sunny | 4° /-2° | 0 mm | 0 cm | |
| Dec. 4 | Mist | 6° /-2° | 0 mm | 0 cm | |
| Dec. 5 | Patchy moderate snow | 0° /-5° | 3.3 mm | 2.4 cm | |
| Dec. 6 | Overcast | 3° /-1° | 0 mm | 0 cm | |
| Dec. 7 | Mist | 2° /-3° | 0 mm | 0 cm | |
| Dec. 8 | Overcast | 0° /-2° | 0 mm | 0 cm | |
| Dec. 9 | Partly cloudy | 2° /-6° | 0 mm | 0 cm | |
| Dec. 10 | Overcast | 4° /0° | 0 mm | 0 cm | |
| Dec. 11 | Partly cloudy | 1° /-2° | 0 mm | 0 cm | |
| Dec. 12 | Overcast | 1° /-2° | 0 mm | 0 cm | |
| Dec. 13 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Dec. 14 | Heavy snow | 1° /-4° | 20.2 mm | 13.4 cm | |
| Dec. 15 | Overcast | -1° /-7° | 0 mm | 0 cm | |
| Dec. 16 | Cloudy | 1° /-4° | 0 mm | 0 cm | |
| Dec. 17 | Overcast | 4° /-2° | 0 mm | 0 cm | |
| Dec. 18 | Fog | 7° /-4° | 0 mm | 0 cm | |
| Dec. 19 | Moderate or heavy rain with thunder | 12° /-1° | 49.3 mm | 0 cm | |
| Dec. 20 | Overcast | 0° /-4° | 0 mm | 0 cm | |
| Dec. 21 | Overcast | 5° /-2° | 0 mm | 0 cm | |
| Dec. 22 | Partly cloudy | 1° /-4° | 0 mm | 0 cm | |
| Dec. 23 | Mist | 2° /0° | 0 mm | 0 cm | |
| Dec. 24 | Overcast | 6° /1° | 0 mm | 0 cm | |
| Dec. 25 | Overcast | 2° /0° | 0 mm | 0 cm | |
| Dec. 26 | Overcast | -1° /-5° | 2 mm | 1.5 cm | |
| Dec. 27 | Mist | 0° /-1° | 15.5 mm | 8.1 cm | |
| Dec. 28 | Mist | 0° /-5° | 0 mm | 0 cm | |
| Dec. 29 | Moderate rain at times | 10° /0° | 3.2 mm | 0 cm | |
| Dec. 30 | Overcast | 0° /-3° | 0 mm | 0 cm | |
| Dec. 31 | Overcast | 2° /-4° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Wilmington in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Wilmington forecast closer to your planned date for the most up-to-date weather information.
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Wilmington in December - FAQ
What are the expected maximum and minimum temperatures in Wilmington during December?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Wilmington during December?
Significant rainfall exceeding 194.3 mm is expected in Wilmington during December, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Wilmington in December 2026?
Wilmington experiences an average snowfall of 25.3 cm during December, occurring over 4 days.
What are the typical wind conditions in Wilmington during December?
The average wind speed in Wilmington during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
Wilmington snow forecast December 2026
Track daily snowfall levels and discover Wilmington’s snowy potential this December ❄️
On average, Wilmington sees 4 snowy days during December, with approximately 25.3 cm of total snowfall.
December rainfall patterns in Wilmington
Explore the daily rainfall trends and prepare for Wilmingtons December weather 💧
Typically, Wilmington has 3 rainy days in December with a total of 194.3 mm of rainfall.
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Get accurate weather forecasts for Wilmington, located at latitude 39.746 and longitude -75.547. Stay updated with localized weather information tailored for Wilmington.
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