April weather forecastWalpole, NH
April
Weather in April
April is a cool spring month in Walpole, New Hampshire, with an average temperature fluctuating between 34.3°F (1.3°C) and 52°F (11.1°C).Temperature
April comes with an increase, with the average high-temperature moving from a cold 38.7°F (3.7°C) in March to a fresh 52°F (11.1°C). An average low-temperature of 34.3°F (1.3°C) is common during the nights of April.Humidity
The least humid month is April, with an average relative humidity of 74%.Rainfall
In Walpole, during April, the rain falls for 11.8 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Walpole, New Hampshire, during the entire year, the rain falls for 113.5 days and collects up to 16.77" (426mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Walpole, during April, snow falls for 1.3 days and regularly aggregates up to 0.67" (17mm) of snow. Throughout the year, there are 31 snowfall days, and 16.22" (412mm) of snow is accumulated.Daylight
In Walpole, New Hampshire, the average length of the day in April is 13h and 26min.On the first day of April, sunrise is at 6:30 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 7:50 pm EDT.
Sunshine
In April, the average sunshine is 7.9h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 3 during April leads to these instructions:
Heed the precautions - Suggestions to avoid sunburn are made. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. 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 April
Walpole, NH
- Average high temperature in April: 52°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in April: 34.3°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in April
Walpole, NH
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Walpole, NH
- Average wind speed in April: 7.5mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
Walpole, NH
- Average humidity in April: 74%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in April
Walpole, NH
- Average rainfall in April: 1.42"
The wettest month (with the highest rainfall) is October (1.77").
The driest months (with the least rainfall) are January and March (1.06").
Average rainfall days in April
Walpole, NH
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is July (12.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in April
Walpole, NH
- Average snowfall in April: 0.67"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Walpole, NH
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Walpole, NH
- Average daylight in April: 13h and 24min
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 April: 7h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in April
Walpole, NH
- Average sunshine days in April: 16 days
The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are April and June (16 days).
Average UV index in April
Walpole, NH
- Average UV index in April: 3
The months with the highest UV index are May, 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 April
Walpole, NH
- Average cloud cover in April: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Walpole, NH
- Average visibility in April: 6mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





