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
As April arrives, a rise in the average high-temperature is observed, moving from a chilly 43.7°F (6.5°C) in March to a moderate 55.9°F (13.3°C). In South Windham, April is marked by an average low-temperature of 39.6°F (4.2°C).Humidity
April is the least humid month, with an average relative humidity of 72%.Rainfall
In South Windham, in April, during 15.5 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, there are 164.2 rainfall days, and 33.74" (857mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In South Windham, during April, snow falls for 0.9 days and regularly aggregates up to 0.31" (8mm) of snow. Throughout the year, there are 31.6 snowfall days, and 15.98" (406mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 22min.On the first day of April, sunrise is at 6:30 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 7:46 pm EDT.
Sunshine
The average sunshine in April is 8.2h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: During April, 3 as the daily maximum UV index converts into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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 many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
South Windham, CT
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in April: 39.6°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in April
South Windham, CT
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
South Windham, CT
- Average wind speed in April: 8.3mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in April
South Windham, CT
- Average humidity in April: 72%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in April
South Windham, CT
- Average rainfall in April: 3.15"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in April
South Windham, CT
- Average rainfall days in April: 15.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in April
South Windham, CT
- Average snowfall in April: 0.31"
The month with the highest snowfall is March (4.41").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
South Windham, CT
- Average snowfall days in April: 0.9 days
The month with the highest number of snowfall days is January (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
South Windham, CT
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in April
South Windham, CT
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in April
South Windham, 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
South Windham, CT
- Average cloud cover in April: 46
The months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
South Windham, CT
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
South Windham, Connecticut, USA
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