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
The shift from March to April in Alton is marked by an increase in the average high-temperature, moving from a cold 37.9°F (3.3°C) to a cool 50.9°F (10.5°C). An average low-temperature of 33.6°F (0.9°C) marks the nights throughout April.Humidity
April is the least humid month, with an average relative humidity of 76%.Rainfall
In Alton, in April, during 15.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Alton, during the entire year, the rain falls for 152 days and collects up to 29.09" (739mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Alton. In Alton, in April, snow falls for 4.3 days, with typically accumulated 3.7" (94mm) of snow. Throughout the year, there are 58.3 snowfall days, and 38.98" (990mm) of snow is accumulated.Daylight
The average length of the day in April in Alton, New Hampshire, is 13h and 27min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:11 pm. On the last day of April, in Alton, sunrise is at 5:37 am and sunset at 7:46 pm EDT.
Sunshine
In April, the average sunshine is 7.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In April, the UV index of 3 transforms into the following advice:
Make use of precautions - It is urged to ward off sun damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What is the average April temperature in Alton?
What is the least humid month in Alton?
What is the average humidity in April in Alton?
How much does it rain in Alton in April?
How much does it snow in Alton in April?
What is the average length of the day in April in Alton?
When are sunrise and sunset in April in Alton?
How many hours of sunshine does Alton have in April?
How high is the UV index in April in Alton?
Average temperature in April
Alton, NH
- Average high temperature in April: 50.9°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 April: 33.6°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 April
Alton, 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
Alton, NH
- Average wind speed in April: 6.8mph
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 April
Alton, NH
- Average humidity in April: 76%
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 April
Alton, NH
- Average rainfall in April: 2.99"
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 April
Alton, NH
- Average rainfall days in April: 15.8 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 April
Alton, NH
- Average snowfall in April: 3.7"
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 April
Alton, NH
- Average snowfall days in April: 4.3 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 April /
Average sunshine in April
Alton, NH
- Average daylight in April: 13h and 3min
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 April: 7h and 4min
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 April
Alton, NH
- Average sunshine days in April: 11.4 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 April
Alton, NH
- Average UV index in April: 3
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 April
Alton, NH
- Average cloud cover in April: 50
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 April
Alton, NH
- Average visibility in April: 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).
Alton, New Hampshire, USA
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