Sussex County (Lewes)
December
Weather in Sussex County, Delaware for December 2026
Your guide to Sussex County weather in December - trends and predictions
Snowfall in Sussex County during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Sussex County at the beginning of December is 6.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 4.6 °F by the end of December.
Sussex County experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 136.8 mm.
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Snow Forecast ❄️
Temperatures
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24
Dry days
6
Rainy days
1
Snow days
6°/0°
Temperatures
31 km/h
Avg max wind
73 %
Avg humidity
Sussex County Weather December
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Temperatures trend during December in Sussex County
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December weather in Sussex County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Sunny | 6° /1° | 0 mm | 0 cm | |
| Dec. 2 |  Heavy rain | 12° /3° | 61.6 mm | 0 cm | |
| Dec. 3 | Sunny | 6° /1° | 0 mm | 0 cm | |
| Dec. 4 |  Overcast | 7° /1° | 0 mm | 0 cm | |
| Dec. 5 |  Mist | 3° /-1° | 9.5 mm | 0 cm | |
| Dec. 6 |  Moderate rain at times | 6° /2° | 3.1 mm | 0 cm | |
| Dec. 7 | Fog | 5° /0° | 0 mm | 0 cm | |
| Dec. 8 |  Cloudy | 3° /0° | 0 mm | 0 cm | |
| Dec. 9 |  Partly cloudy | 6° /-1° | 0 mm | 0 cm | |
| Dec. 10 | Overcast | 8° /2° | 0 mm | 0 cm | |
| Dec. 11 | Sunny | 4° /0° | 0 mm | 0 cm | |
| Dec. 12 | Overcast | 3° /0° | 0 mm | 0 cm | |
| Dec. 13 | Overcast | 6° /1° | 0 mm | 0 cm | |
| Dec. 14 | Moderate or heavy rain shower | 4° /-3° | 21 mm | 7.9 cm | |
| Dec. 15 | Cloudy | 1° /-5° | 0 mm | 0 cm | |
| Dec. 16 | Partly cloudy | 6° /-1° | 0 mm | 0 cm | |
| Dec. 17 | Overcast | 6° /0° | 0 mm | 0 cm | |
| Dec. 18 | Partly cloudy | 9° /3° | 0 mm | 0 cm | |
| Dec. 19 |  Moderate or heavy rain with thunder | 12° /1° | 15 mm | 0 cm | |
| Dec. 20 | Overcast | 1° /-1° | 0 mm | 0 cm | |
| Dec. 21 | Cloudy | 7° /0° | 0 mm | 0 cm | |
| Dec. 22 | Sunny | 5° /-1° | 0 mm | 0 cm | |
| Dec. 23 | Overcast | 5° /2° | 0 mm | 0 cm | |
| Dec. 24 | Overcast | 6° /4° | 0 mm | 0 cm | |
| Dec. 25 | Moderate or heavy rain shower | 5° /3° | 18.7 mm | 0 cm | |
| Dec. 26 | Overcast | 2° /-2° | 0 mm | 0 cm | |
| Dec. 27 | Fog | 4° /2° | 7.9 mm | 0 cm | |
| Dec. 28 | Cloudy | 4° /0° | 0 mm | 0 cm | |
| Dec. 29 | Overcast | 12° /2° | 0 mm | 0 cm | |
| Dec. 30 | Sunny | 2° /0° | 0 mm | 0 cm | |
| Dec. 31 | Overcast | 3° /-1° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Sussex County 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 Sussex County forecast closer to your planned date for the most up-to-date weather information.
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Sussex County in December - FAQ
What are the expected maximum and minimum temperatures in Sussex County during December?
Prepare for cooler days with highs just around 6° and colder nights, dipping below 0°.
How much rainfall should be expected in Sussex County during December?
Significant rainfall exceeding 136.8 mm is expected in Sussex County during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Sussex County in December 2026?
Sussex County typically sees 7.9 cm of snowfall during December.
What are the typical wind conditions in Sussex County during December?
The average wind speed in Sussex County during December is 31 km/h, suggesting breezy to windy conditions, depending on your activities.
Sussex County snow forecast December 2026
Track daily snowfall levels and discover Sussex County’s snowy potential this December ❄️
On average, Sussex County sees 1 snowy days during December, with approximately 7.9 cm of total snowfall.
December rainfall patterns in Sussex County
Explore the daily rainfall trends and prepare for Sussex Countys December weather 💧
Typically, Sussex County has 6 rainy days in December with a total of 136.8 mm of rainfall.
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Where is Sussex County?Get accurate weather forecasts for Sussex County, located at latitude 38.775 and longitude -75.139. Stay updated with localized weather information tailored for Sussex County.
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