Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average sea temperature in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
In New Castle, the average high-temperature in March slightly rises, from a cold 41.7°F (5.4°C) in February, to a fresh 50°F (10°C). March generally records an average low-temperature of 35.1°F (1.7°C).Humidity
The average relative humidity in March is 73%.Rainfall
In New Castle, during March, the rain falls for 12.2 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 143.2 rainfall days, and 21.89" (556mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In New Castle, in March, during 2.8 snowfall days, 1.61" (41mm) of snow is typically accumulated. In New Castle, Delaware, during the entire year, snow falls for 15 days and aggregates up to 5.47" (139mm) of snow.Ocean temperature
In New Castle, in March, the average water temperature is 42.3°F (5.7°C).Note: Dipping in 42.3°F (5.7°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
In New Castle, the average length of the day in March is 11h and 59min.On the first day of March, sunrise is at 6:34 am and sunset at 5:54 pm EST. On the last day of the month, sunrise is at 6:46 am and sunset at 7:25 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.
Sunshine
In New Castle, the average sunshine in March is 6.6h.UV index
In March, the average daily maximum UV index in New Castle is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In March, the average maximum UV index of 3 translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are March temperatures?
What is the average humidity in March?
How much does it rain in March?
How much does it snow in March?
How cold is the water in March in New Castle?
What is the average length of the day in March?
When are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March?
How many hours of sunshine does New Castle have in March?
What is the UV index reading in March?
Average temperature in March
New Castle, DE
- Average high temperature in March: 50°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in March: 35.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in March
New Castle, DE
- Average pressure in March: 30.07"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in March
New Castle, DE
- Average wind speed in March: 8.8mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in March
New Castle, DE
- Average humidity in March: 73%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in March
New Castle, DE
- Average rainfall in March: 1.77"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in March
New Castle, DE
- Average rainfall days in March: 12.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in March
New Castle, DE
- Average snowfall in March: 1.61"
The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
New Castle, DE
- Average snowfall days in March: 2.8 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in March
New Castle, DE
- Average sea temperature in March: 42.2°F
The best month for swimming (with the highest average sea temperature) is August (76.3°F).
The coldest month (with the lowest average sea temperature) is February (40.9°F).
Average daylight in March /
Average sunshine in March
New Castle, DE
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in March: 6h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in March
New Castle, DE
- Average sunshine days in March: 16.2 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in March
New Castle, DE
- Average UV index in March: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
New Castle, DE
- Average cloud cover in March: 46
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in March
New Castle, DE
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
New Castle, Delaware, USA
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