March weather forecastAlton Bay, NH
March
Weather in March
March, the first month of the spring in Alton Bay, is a wintry month, with an average temperature varying between 37.9°F (3.3°C) and 22.5°F (-5.3°C).Temperature
March's arrival signals a subtle increase in average high-temperatures, moving from February's subzero cold 29.3°F (-1.5°C) to a wintry 37.9°F (3.3°C). March nights cool down to an average low-temperature of 22.5°F (-5.3°C).Humidity
The average relative humidity in March is 84%.Rainfall
In Alton Bay, during March, the rain falls for 11.7 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 152 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Alton Bay, in March, during 11.6 snowfall days, 7.24" (184mm) of snow is typically accumulated. In Alton Bay, during the entire year, snow falls for 58.3 days and aggregates up to 38.98" (990mm) of snow.Daylight
In March, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 6:19 am and sunset at 5:34 pm EST. On the last day of March, sunrise is at 6:26 am and sunset at 7:10 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 5.5h.UV index
January through March, October through 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 threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In March, the maximum UV index of 2 suggests this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Opt for tightly woven and loose clothing to enhance protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Alton Bay, NH
- Average high temperature in March: 37.9°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in March: 22.5°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in March
Alton Bay, NH
- Average pressure in March: 30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in March
Alton Bay, NH
- Average wind speed in March: 6.9mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in March
Alton Bay, NH
- Average humidity in March: 84%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in March
Alton Bay, NH
- Average rainfall in March: 2.24"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in March
Alton Bay, NH
- Average rainfall days in March: 11.7 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in March
Alton Bay, NH
- Average snowfall in March: 7.24"
The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Alton Bay, NH
- Average snowfall days in March: 11.6 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Alton Bay, NH
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in March: 5h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in March
Alton Bay, NH
- Average sunshine days in March: 11.9 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in March
Alton Bay, NH
- Average UV index in March: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in March
Alton Bay, NH
- Average cloud cover in March: 52
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in March
Alton Bay, NH
- Average visibility in March: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).





