April weather forecastSterling, CT
April
Weather in April
April in Sterling, Connecticut, is a moderate spring month, with an average temperature varying between 40.1°F (4.5°C) and 55.6°F (13.1°C).Temperature
As Sterling, Connecticut, welcomes April, the average high-temperature sees a rise, transitioning from a frosty 43.7°F (6.5°C) in March to a refreshing 55.6°F (13.1°C). Sterling experiences a consistent average temperature of 40.1°F (4.5°C) throughout the nights in April.Humidity
With an average relative humidity of 72%, April is the least humid month in Sterling.Rainfall
In April, in Sterling, Connecticut, the rain falls for 15.6 days. Throughout April, 3.23" (82mm) of precipitation is accumulated. In Sterling, Connecticut, during the entire year, the rain falls for 163.2 days and collects up to 33.7" (856mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Sterling. In Sterling, during April, snow falls for 1.3 days and regularly aggregates up to 0.43" (11mm) of snow. Throughout the year, in Sterling, there are 29.7 snowfall days, and 12.99" (330mm) of snow is accumulated.Daylight
The average length of the day in April in Sterling is 13h and 22min.On the first day of April in Sterling, sunrise is at 6:28 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 7:44 pm EDT.
Sunshine
In Sterling, Connecticut, the average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In April, the maximum UV index of 3 suggests this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. It's recommended to limit sun exposure when its radiation is at its peak during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sterling, CT
- Average high temperature in April: 55.6°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in April: 40.1°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in April
Sterling, 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
Sterling, CT
- Average wind speed in April: 8.8mph
The windiest months (with the highest average wind speed) are January and March (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in April
Sterling, CT
- Average humidity in April: 72%
The months with the highest relative humidity are February, June, July and September (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in April
Sterling, CT
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in April
Sterling, CT
- Average rainfall days in April: 15.6 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in April
Sterling, CT
- Average snowfall in April: 0.43"
The month with the highest snowfall is March (3.62").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Sterling, CT
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is February (7.7 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
Sterling, CT
- Average daylight in April: 13h and 24min
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 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Sterling, CT
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in April
Sterling, 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
Sterling, CT
- Average cloud cover in April: 47
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Sterling, CT
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, September, October, November and December (6mi).
The months with the lowest visibility are May, June, July and August (5mi).
