Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Charlestown's transition into April brings a rise in the average high-temperature, moving from a wintry 38.7°F (3.7°C) in March to a fresh 52°F (11.1°C). During the month of April, the temperature in Charlestown falls to an average of 34.3°F (1.3°C).Humidity
April is the least humid month, with an average relative humidity of 74%.Rainfall
In Charlestown, during April, the rain falls for 11.8 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Charlestown, during the entire year, the rain falls for 113.5 days and collects up to 16.77" (426mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Charlestown. In Charlestown, in April, during 1.3 snowfall days, 0.67" (17mm) of snow is typically accumulated. Throughout the year, there are 31 snowfall days, and 16.22" (412mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 26min.On the first day of April in Charlestown, 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
The average sunshine in April in Charlestown is 7.9h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Ensure safety - Sun damage prevention is strongly urged. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the usual temperature for Charlestown in April?
What is the least humid month in Charlestown?
What is the average humidity in April in Charlestown?
How many days does it rain in April in Charlestown?
How many days does it snow in April in Charlestown?
How many hours of daylight does Charlestown have in April?
What time are sunrise and sunset in April in Charlestown?
How long on average sun shines in April in Charlestown?
What is the UV index intensity in April in Charlestown?
Average temperature in April
Charlestown, 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
Charlestown, 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
Charlestown, 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
Charlestown, 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
Charlestown, 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
Charlestown, 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
Charlestown, 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
Charlestown, 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
Charlestown, NH
- Average daylight in April: 13h and 2min
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 0min).
- Average sunshine in April: 7h and 5min
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
Charlestown, 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
Charlestown, 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
Charlestown, 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
Charlestown, 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).
Charlestown, New Hampshire, USA
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