New Castle County
March
Weather in New Castle County for March 2025
Your guide to New Castle County weather in March - trends and predictions
In general, the average temperature in New Castle County at the beginning of March is 11.1 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 11.3 °F by the end of March.
The climate of New Castle County in March is notably wet, with an average of 13 rainy days.
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18
Dry days
13
Rainy days
0
Snow days
12°/4°
Temperatures
21 km/h
Avg max wind
70 %
Avg humidity
New Castle County in March average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  8° | 2  7° | |||||
| 3  16° | 4  16° | 5  8° | 6 11° | 7  12° | 8 12° | 9 11° |
| 10 12° | 11 9° | 12 16° | 13 17° | 14  20° | 15  21° | 16 14° |
| 17 14° | 18 8° | 19 7° | 20 10° | 21 6° | 22 8° | 23  11° |
| 24 9° | 25 11° | 26 12° | 27 11° | 28 10° | 29 11° | 30 10° |
| 31 14° |
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Temperatures trend during March in New Castle County
See the weather trend as well as the moving average line
March weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Mar. 1 | Overcast | 8° /0° | 0.7 mm | 2 | |
| Mar. 2 | Light rain | 7° /4° | 16.7 mm | 2 | |
| Mar. 3 | Partly cloudy | 16° /5° | 0 mm | 5 | |
| Mar. 4 | Cloudy | 16° /8° | 0 mm | 4 | |
| Mar. 5 | Moderate rain | 8° /7° | 36 mm | 2 | |
| Mar. 6 | Moderate rain | 11° /8° | 23.3 mm | 3 | |
| Mar. 7 | Patchy rain possible | 12° /9° | 0 mm | 3 | |
| Mar. 8 | Overcast | 12° /4° | 0 mm | 3 | |
| Mar. 9 | Patchy rain possible | 11° /5° | 2 mm | 3 | |
| Mar. 10 | Patchy rain possible | 12° /1° | 1.3 mm | 3 | |
| Mar. 11 | Cloudy | 9° /0° | 0 mm | 2 | |
| Mar. 12 | Cloudy | 16° /3° | 0 mm | 4 | |
| Mar. 13 | Overcast | 17° /8° | 0 mm | 4 | |
| Mar. 14 | Sunny | 20° /9° | 0 mm | 6 | |
| Mar. 15 | Moderate or heavy rain with thunder | 21° /12° | 7.7 mm | 5 | |
| Mar. 16 | Sunny | 14° /5° | 0 mm | 4 | |
| Mar. 17 | Partly cloudy | 14° /8° | 0 mm | 4 | |
| Mar. 18 | Partly cloudy | 8° /2° | 0 mm | 3 | |
| Mar. 19 | Overcast | 7° /0° | 0 mm | 2 | |
| Mar. 20 | Light rain shower | 10° /3° | 0.8 mm | 3 | |
| Mar. 21 | Cloudy | 6° /-1° | 0 mm | 2 | |
| Mar. 22 | Partly cloudy | 8° /-2° | 0 mm | 3 | |
| Mar. 23 | Heavy rain | 11° /2° | 48 mm | 3 | |
| Mar. 24 | Sunny | 9° /0° | 0 mm | 3 | |
| Mar. 25 | Sunny | 11° /0° | 0 mm | 4 | |
| Mar. 26 | Overcast | 12° /2° | 0 mm | 3 | |
| Mar. 27 | Light drizzle | 11° /5° | 0.9 mm | 3 | |
| Mar. 28 | Moderate rain | 10° /5° | 10.9 mm | 3 | |
| Mar. 29 | Partly cloudy | 11° /2° | 0 mm | 4 | |
| Mar. 30 | Light rain | 10° /1° | 5.6 mm | 3 | |
| Mar. 31 | Patchy rain possible | 14° /7° | 7.9 mm | 3 | |
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Important Notice
Our weather forecast for New Castle County in March 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.
New Castle County in March - FAQ
What are the expected maximum and minimum temperatures in New Castle County during March?
Prepare for cooler days with highs just around 12° and colder nights, dipping below 4°.
How much rainfall should be expected in New Castle County during March?
Significant rainfall exceeding 161.8 mm is expected in New Castle County during March, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in New Castle County during March?
The average wind speed in New Castle County during March is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
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