March weather forecastDelaware, NJ
March
Weather in March
The first month of the spring, March, is a chilly month in Delaware, New Jersey, with an average temperature varying between 28.2°F (-2.1°C) and 44.1°F (6.7°C).Temperature
The shift into March brings a slight increase in the average high-temperature, moving from an icy 36.3°F (2.4°C) in February to a frosty 44.1°F (6.7°C). Delaware's nighttime temperature during March is consistently averaged at a freezing cold 28.2°F (-2.1°C).Humidity
In Delaware, the average relative humidity in March is 80%.Rainfall
In Delaware, in March, it is raining for 13.8 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, in Delaware, there are 165.9 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In March, it is snowing for 7.9 days. Throughout March, 4.53" (115mm) of snow is accumulated. In Delaware, during the entire year, snow falls for 42.7 days and aggregates up to 21.26" (540mm) of snow.Daylight
In March, the average length of the day in Delaware is 11h and 58min.On the first day of the month, sunrise is at 6:33 am and sunset at 5:51 pm EST. On the last day of March, sunrise is at 6:43 am and sunset at 7:24 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 Delaware, the average sunshine in March is 6.1h.UV index
The average daily maximum UV index in March in Delaware is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during March translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Delaware, NJ
- Average high temperature in March: 44.1°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in March: 28.2°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in March
Delaware, NJ
- Average pressure in March: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in March
Delaware, NJ
- Average wind speed in March: 7.8mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in March
Delaware, NJ
- Average humidity in March: 80%
The months with the highest relative humidity are February, October and December (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in March
Delaware, NJ
- Average rainfall in March: 2.68"
The wettest month (with the highest rainfall) is July (3.11").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in March
Delaware, NJ
- Average rainfall days in March: 13.8 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in March
Delaware, NJ
- Average snowfall in March: 4.53"
The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Delaware, NJ
- Average snowfall days in March: 7.9 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Delaware, NJ
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in March: 6h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in March
Delaware, NJ
- Average sunshine days in March: 12.3 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in March
Delaware, NJ
- Average UV index in March: 2
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in March
Delaware, NJ
- Average cloud cover in March: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in March
Delaware, NJ
- Average visibility in March: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





