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
An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a wintry 42.4°F (5.8°C) to a moderate 55.6°F (13.1°C). During April, the average low-temperature is an icy 38.1°F (3.4°C).Humidity
With an average relative humidity of 71%, April is the least humid month.Rainfall
In April, the rain falls for 13.9 days. Throughout April, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 150.4 rainfall days, and 28.86" (733mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Sterling, during April, snow falls for 1.8 days and regularly aggregates up to 1.85" (47mm) of snow. Throughout the year, there are 36.5 snowfall days, and 23.82" (605mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 24min.On the first day of April, sunrise is at 6:27 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 7:46 pm EDT.
Sunshine
In April, the average sunshine 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 moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 3 in April suggests the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Sterling?
What is the least humid month?
What is the average humidity in April?
How much does it rain in Sterling in April?
How many days does it snow in April?
How many hours of daylight does Sterling have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index reading in April in Sterling?
Average temperature in April
Sterling, MA
- Average high temperature in April: 55.6°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 (31.5°F).
- Average low temperature in April: 38.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
Sterling, MA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Sterling, MA
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in April
Sterling, MA
- Average humidity in April: 71%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall in April
Sterling, MA
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in April
Sterling, MA
- Average rainfall days in April: 13.9 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in April
Sterling, MA
- Average snowfall in April: 1.85"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Sterling, MA
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Sterling, MA
- 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 6min).
- Average sunshine in April: 8h and 1min
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 36min).
Average sunshine days in April
Sterling, MA
- Average sunshine days in April: 14.5 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in April
Sterling, MA
- 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, MA
- Average cloud cover in April: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Sterling, MA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, October, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August and September (5mi).
Sterling, Massachusetts, USA
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