New Castle County (Wilmington)
January
Weather in New Castle County, Delaware for January 2027
Your guide to New Castle County weather in January - trends and predictions
With an average of 5 snowy days, New Castle County usually enjoys a light touch of snow in January.
In general, the average temperature in New Castle County at the beginning of January is 1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of -0.4 °C by the end of January.
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Snow Forecast ❄️
Temperatures
More
22
Dry days
4
Rainy days
5
Snow days
1°/-5°
Temperatures
20 km/h
Avg max wind
68 %
Avg humidity
New Castle County Weather January
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Temperatures trend during January in New Castle County
See the weather trend as well as the moving average line
January weather in New Castle County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Cloudy | 0° /-4° | 0 mm | 0 cm | |
| Jan. 2 |  Overcast | 0° /-4° | 0 mm | 0 cm | |
| Jan. 3 | Cloudy | 0° /-5° | 0 mm | 0 cm | |
| Jan. 4 |  Sunny | 2° /-3° | 0 mm | 0 cm | |
| Jan. 5 | Sunny | 1° /-4° | 0 mm | 0 cm | |
| Jan. 6 |  Moderate or heavy snow showers | 1° /-3° | 5.6 mm | 3.5 cm | |
| Jan. 7 |  Partly cloudy | 3° /-2° | 0 mm | 0 cm | |
| Jan. 8 | Partly cloudy | 3° /-2° | 0 mm | 0 cm | |
| Jan. 9 | Sunny | 3° /-3° | 0 mm | 0 cm | |
| Jan. 10 | Overcast | 5° /-1° | 35.3 mm | 0 cm | |
| Jan. 11 |  Light freezing rain | 4° /-2° | 3.3 mm | 0.9 cm | |
| Jan. 12 | Partly cloudy | 3° /-3° | 0 mm | 0 cm | |
| Jan. 13 | Cloudy | 6° /-1° | 0 mm | 0 cm | |
| Jan. 14 | Cloudy | 4° /-2° | 1.8 mm | 0 cm | |
| Jan. 15 | Overcast | 3° /-6° | 4.8 mm | 1 cm | |
| Jan. 16 | Light freezing rain | 0° /-7° | 0.4 mm | 0 cm | |
| Jan. 17 | Partly cloudy | 3° /-2° | 0 mm | 0 cm | |
| Jan. 18 |  Patchy rain possible | 3° /-2° | 0.4 mm | 0 cm | |
| Jan. 19 | Moderate or heavy snow showers | 1° /-6° | 4.1 mm | 2.4 cm | |
| Jan. 20 | Overcast | -3° /-11° | 0 mm | 0 cm | |
| Jan. 21 | Light freezing rain | -2° /-11° | 0.2 mm | 0 cm | |
| Jan. 22 | Partly cloudy | -1° /-7° | 0 mm | 0 cm | |
| Jan. 23 | Cloudy | 0° /-8° | 0 mm | 0 cm | |
| Jan. 24 | Sunny | -4° /-10° | 0 mm | 0 cm | |
| Jan. 25 | Sunny | -2° /-9° | 55.2 mm | 39.9 cm | |
| Jan. 26 | Overcast | 0° /-6° | 8.9 mm | 0 cm | |
| Jan. 27 | Partly cloudy | 0° /-8° | 0 mm | 0 cm | |
| Jan. 28 | Cloudy | -2° /-7° | 0 mm | 0 cm | |
| Jan. 29 | Overcast | 1° /-7° | 0 mm | 0 cm | |
| Jan. 30 | Cloudy | -1° /-9° | 0 mm | 0 cm | |
| Jan. 31 |  Heavy rain | 1° /-8° | 12.2 mm | 0 cm | |
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Important Notice
Our weather forecast for New Castle County in January 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 New Castle County forecast closer to your planned date for the most up-to-date weather information.
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New Castle County in January - FAQ
What are the expected maximum and minimum temperatures in New Castle County during January?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in New Castle County during January?
Significant rainfall exceeding 132.2 mm is expected in New Castle County during January, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
Will it snow in New Castle County in January 2027?
New Castle County experiences an average snowfall of 47.675 cm during January, occurring over 5 days.
What are the typical wind conditions in New Castle County during January?
The average wind speed in New Castle County during January is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
New Castle County snow forecast January 2027
Track daily snowfall levels and discover New Castle County’s snowy potential this January ❄️
On average, New Castle County sees 5 snowy days during January, with approximately 47.7 cm of total snowfall.
January rainfall patterns in New Castle County
Explore the daily rainfall trends and prepare for New Castle Countys January weather 💧
Typically, New Castle County has 4 rainy days in January with a total of 132.2 mm of rainfall.
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Where is New Castle County?Get accurate weather forecasts for New Castle County, located at latitude 39.746 and longitude -75.547. Stay updated with localized weather information tailored for New Castle County.
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