March weather forecastNew Castle, NH
March
Weather in March
With a rise to 40.5°F (4.7°C), March offers slightly warmer weather compared to the preceding months. Both snowfall and snowy days see a considerable decrease, indicating the onset of spring. Still, the lingering chill of winter makes the sea temperature too low for a comfortable swim. Sunlight hours increase perceptibly as the days get longer, bringing a welcome respite from the gloominess. Despite the melt, the snow does not seem to have a significant effect on the humidity levels, which remain rather consistent.Temperature
The beginning of March signals a minor rise in the average high-temperature, moving from an icy 34.2°F (1.2°C) in February to a still wintry 40.5°F (4.7°C). New Castle observes an average nighttime low-temperature of 28.8°F (-1.8°C) during the month of March.Humidity
The average relative humidity in March is 78%.Rainfall
In March, the rain falls for 11.8 days. Throughout March, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 144.2 rainfall days, and 27.48" (698mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In New Castle, in March, snow falls for 6.8 days, with typically accumulated 2.68" (68mm) of snow. In New Castle, during the entire year, snow falls for 35.2 days and aggregates up to 16.97" (431mm) of snow.Ocean temperature
The month with the coldest seawater is March, with an average ocean temperature of 38.5°F (3.6°C).Note: In the activity of swimming, this state poses an instant danger to life. Breathing control is completely lost, impeding any form of clear thinking. Employing a specialized swimsuit is crucial to minimize thermal loss.
Daylight
In New Castle, the average length of the day in March is 11h and 58min.On the first day of March, sunrise is at 6:17 am and sunset at 5:32 pm EST. On the last day of the month, sunrise is at 6:25 am and sunset at 7:08 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 March, the average sunshine is 5.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during March morphs into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
New Castle, NH
- Average high temperature in March: 40.5°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in March: 28.8°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in March
New Castle, NH
- Average pressure in March: 30.02"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in March
New Castle, NH
- Average wind speed in March: 10.7mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in March
New Castle, NH
- Average humidity in March: 78%
The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are April and November (75%).
Average rainfall in March
New Castle, NH
- Average rainfall in March: 2.4"
The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in March
New Castle, NH
- Average rainfall days in March: 11.8 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in March
New Castle, NH
- Average snowfall in March: 2.68"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in March
New Castle, NH
- Average snowfall days in March: 6.8 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in March
New Castle, NH
- Average sea temperature in March: 38.5°F
The best month for swimming (with the highest average sea temperature) is August (65.6°F).
The coldest month (with the lowest average sea temperature) is March (38.5°F).
Average daylight in March /
Average sunshine in March
New Castle, NH
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in March: 5h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in March
New Castle, NH
- Average sunshine days in March: 13.9 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in March
New Castle, NH
- Average UV index in March: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in March
New Castle, NH
- Average cloud cover in March: 50
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in March
New Castle, NH
- 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).
