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
In Chatham, the average high-temperature in April rises, from a wintry 35.6°F (2°C) in March, to a chilly 48.6°F (9.2°C). During April, the temperature in Chatham tends to dip to an average of 31.1°F (-0.5°C) at night.Humidity
In April, the average relative humidity in Chatham, New Hampshire, is 78%.Rainfall
The months with the most rainfall in Chatham are April and October, with an average 2.17" (55mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, in Chatham, it is snowing for 5 days. Throughout April, 3.43" (87mm) of snow is accumulated. Throughout the year, in Chatham, New Hampshire, there are 64.6 snowfall days, and 25.31" (643mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 29min.On the first day of April in Chatham, New Hampshire, sunrise is at 6:23 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 7:46 pm EDT.
Sunshine
In April, the average sunshine is 7.5h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Chatham. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in April leads to these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Chatham?
What is the average humidity in April in Chatham?
What is the rainiest month in Chatham?
How many days does it rain in April in Chatham?
How much does it snow in Chatham in April?
What is the average length of the day in April in Chatham?
What time are sunrise and sunset in April in Chatham?
How many hours of sunshine does Chatham have in April?
What is the month with the lowest UV index in Chatham?
How high is the UV index in April in Chatham?
Average temperature in April
Chatham, NH
- Average high temperature in April: 48.6°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in April: 31.1°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).
Average pressure in April
Chatham, NH
- Average pressure in April: 29.96"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 April
Chatham, NH
- Average wind speed in April: 5.8mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in April
Chatham, NH
- Average humidity in April: 78%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May and November (77%).
Average rainfall in April
Chatham, NH
- Average rainfall in April: 2.17"
The wettest months (with the highest rainfall) are April and October (2.17").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in April
Chatham, NH
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in April
Chatham, NH
- Average snowfall in April: 3.43"
The month with the highest snowfall is February (6.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Chatham, NH
- Average snowfall days in April: 5 days
The months with the highest number of snowfall days are January and February (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Chatham, NH
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 7h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in April
Chatham, NH
- Average sunshine days in April: 10.1 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (10.1 days).
Average UV index in April
Chatham, NH
- Average UV index in April: 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, April, October, November and December (UV index 2).
Average cloud cover in April
Chatham, NH
- Average cloud cover in April: 52
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in April
Chatham, NH
- Average visibility in April: 5mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).
Chatham, New Hampshire, USA
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