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 transition from March to April brings a temperature rise, with average high-temperatures increasing from a chilly 44.2°F (6.8°C) to a fresh 55.2°F (12.9°C). During April, Wilton's temperature averages to an icy 42.3°F (5.7°C) at night.Humidity
The least humid month is April, with an average relative humidity of 72%.Rainfall
In Wilton, in April, it is raining for 16.2 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, there are 170.2 rainfall days, and 38.62" (981mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.7 snowfall days, in April, Wilton aggregates 0.12" (3mm) of snow. In Wilton, during the entire year, snow falls for 28.5 days and aggregates up to 11.65" (296mm) of snow.Daylight
In April, the average length of the day is 13h and 21min.On the first day of April, sunrise is at 6:35 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:50 pm EDT.
Sunshine
The average sunshine in April is 8.4h.UV index
In Wilton, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Wilton have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Wilton have in April?
How high is the UV index in April?
Average temperature in April
Wilton, CT
- Average high temperature in April: 55.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in April: 42.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in April
Wilton, CT
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Wilton, CT
- Average wind speed in April: 8.7mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in April
Wilton, CT
- Average humidity in April: 72%
The months with the highest relative humidity are February, May, June, October and December (76%).
The month with the lowest relative humidity is April (72%).
Average rainfall in April
Wilton, CT
- Average rainfall in April: 3.19"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is January (2.44").
Average rainfall days in April
Wilton, CT
- Average rainfall days in April: 16.2 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in April
Wilton, CT
- Average snowfall in April: 0.12"
The month with the highest snowfall is February (3.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Wilton, CT
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Wilton, CT
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Wilton, CT
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in April
Wilton, CT
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Wilton, CT
- Average cloud cover in April: 45
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Wilton, CT
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Wilton, Connecticut, USA
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