December
Weather in Delaware for December 2025
Your guide to Delaware weather in December - trends and predictions
With an average of 2 snowy days, Delaware usually enjoys a light touch of snow in December.
In general, the average temperature in Delaware at the beginning of December is 6.3 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 9.1 °F by the end of December.
The climate of Delaware in December is notably wet, with an average of 12 rainy days, and a total of 215.9 mm of precipitation.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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17
Dry days
12
Rainy days
2
Snow days
7°/1°
Temperatures
18 km/h
Avg max wind
75 %
Avg humidity
Delaware Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  6° | 2 8° | 3  10° | 4  7° | 5 5° | 6 4° | |
| 7 4° | 8  12° | 9 9° | 10 13° | 11  10° | 12 5° | 13 3° |
| 14  3° | 15  6° | 16 10° | 17  13° | 18  11° | 19 5° | 20 5° |
| 21 4° | 22 2° | 23 3° | 24 6° | 25 6° | 26 7° | 27  8° |
| 28 10° | 29 14° | 30 10° | 31 9° |
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Temperatures trend during December in Delaware
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Mist | 6° /-1° | 1.3 mm | 0 cm | |
| Dec. 2 | Fog | 8° /0° | 0 mm | 0 cm | |
| Dec. 3 | Light rain shower | 10° /2° | 12.3 mm | 0 cm | |
| Dec. 4 | Overcast | 7° /-1° | 0 mm | 0 cm | |
| Dec. 5 | Mist | 5° /-1° | 0 mm | 0 cm | |
| Dec. 6 | Patchy rain possible | 4° /-2° | 0 mm | 0 cm | |
| Dec. 7 | Overcast | 4° /-3° | 0 mm | 0 cm | |
| Dec. 8 | Partly cloudy | 12° /0° | 0 mm | 0 cm | |
| Dec. 9 | Fog | 9° /0° | 10.8 mm | 0 cm | |
| Dec. 10 | Light rain shower | 13° /3° | 14.9 mm | 0 cm | |
| Dec. 11 | Moderate snow | 10° /2° | 56.8 mm | 0 cm | |
| Dec. 12 | Partly cloudy | 5° /-1° | 0 mm | 0 cm | |
| Dec. 13 | Overcast | 3° /-1° | 0 mm | 0 cm | |
| Dec. 14 | Cloudy | 3° /-4° | 0 mm | 0 cm | |
| Dec. 15 | Sunny | 6° /-2° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 10° /2° | 3.5 mm | 0 cm | |
| Dec. 17 | Light rain | 13° /6° | 21.5 mm | 0 cm | |
| Dec. 18 | Moderate rain | 11° /2° | 19.8 mm | 0 cm | |
| Dec. 19 | Overcast | 5° /0° | 2.1 mm | 0.1 cm | |
| Dec. 20 | Sunny | 5° /-2° | 0 mm | 0 cm | |
| Dec. 21 | Sunny | 4° /-2° | 1.5 mm | 1.1 cm | |
| Dec. 22 | Overcast | 2° /-4° | 0 mm | 0 cm | |
| Dec. 23 | Overcast | 3° /-4° | 0 mm | 0 cm | |
| Dec. 24 | Light drizzle | 6° /0° | 2.7 mm | 0.8 cm | |
| Dec. 25 | Partly cloudy | 6° /2° | 0 mm | 0 cm | |
| Dec. 26 | Patchy rain possible | 7° /0° | 0 mm | 0 cm | |
| Dec. 27 | Heavy rain | 8° /2° | 18.3 mm | 0 cm | |
| Dec. 28 | Fog | 10° /5° | 29.6 mm | 0 cm | |
| Dec. 29 | Patchy rain possible | 14° /5° | 0.8 mm | 0 cm | |
| Dec. 30 | Overcast | 10° /4° | 19.8 mm | 0 cm | |
| Dec. 31 | Partly cloudy | 9° /0° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Delaware 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 Delaware forecast closer to your planned date for the most up-to-date weather information.
Delaware in December - FAQ
What are the expected maximum and minimum temperatures in Delaware during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 1°.
How much rainfall should be expected in Delaware during December?
Significant rainfall exceeding 215.9 mm is expected in Delaware during December, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Delaware in December 2025?
Delaware experiences an average snowfall of 1.99 cm during December, occurring over 2 days.
What are the typical wind conditions in Delaware during December?
The average wind speed in Delaware during December is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Delaware snow forecast December 2025
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December rainfall patterns in Delaware
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