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
New Castle's transition into March brings a slight rise in the average high-temperature, moving from a wintry 41.7°F (5.4°C) in February to a fresh 50°F (10°C). During the month of March, New Castle experiences a steady low-temperature average of 35.1°F (1.7°C).Humidity
In New Castle, the average relative humidity in March is 73%.Rainfall
In New Castle, in March, it is raining for 12.2 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 143.2 rainfall days, and 21.89" (556mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In New Castle, Delaware, in March, snow falls for 2.8 days, with typically accumulated 1.61" (41mm) of snow. Throughout the year, in New Castle, there are 15 snowfall days, and 5.47" (139mm) of snow is accumulated.Ocean temperature
In New Castle, Delaware, the average seawater temperature in March is 42.3°F (5.7°C).Note: With an efficient thermal swimsuit, one can navigate 42.3°F (5.7°C) even if it's colder than 50°F (10°C); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 55.4°F (13°C) feels chilly.
Daylight
In New Castle, the average length of the day in March is 11h and 59min.On the first day of the month, sunrise is at 6:34 am and sunset at 5:54 pm EST. On the last day of March, 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
The average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during March translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the temperature in March in New Castle?
What is the average humidity in March in New Castle?
How much does it rain in New Castle in March?
How many days does it snow in March in New Castle?
What is the ocean temperature in March in New Castle?
How many hours of daylight does New Castle have in March?
When are sunrise and sunset in March in New Castle?
When does Daylight Saving Time (DST) start in March in New Castle?
How long on average sun shines in March in New Castle?
What is the UV index reading in March in New Castle?
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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