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 into April brings an increase in the average high-temperature, moving from an icy 42.4°F (5.8°C) in March to a mild 55.6°F (13.1°C). Sterling reports a consistent average low-temperature of 38.1°F (3.4°C) throughout April nights.Humidity
With an average relative humidity of 71%, April is the least humid month in Sterling.Rainfall
In April, the rain falls for 13.9 days. Throughout April, 2.64" (67mm) of precipitation is accumulated. Throughout the year, in Sterling, 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 April, in Sterling, Massachusetts, it is snowing for 1.8 days. Throughout April, 1.85" (47mm) of snow is accumulated. Throughout the year, in Sterling, there are 36.5 snowfall days, and 23.82" (605mm) of snow is accumulated.Daylight
In Sterling, the average length of the day in April is 13h and 24min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:13 pm. On the last day of April, in Sterling, sunrise is at 5:42 am and sunset at 7:46 pm EDT.
Sunshine
In Sterling, the average sunshine in April is 8.1h.UV index
In Sterling, Massachusetts, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 3 in April translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What are April temperatures in Sterling?
What is the least humid month in Sterling?
What is the average humidity in April in Sterling?
How many days does it rain in April in Sterling?
How much does it snow in Sterling in April?
How many hours of daylight does Sterling have in April?
When are sunrise and sunset in April in Sterling?
How long on average sun shines in April in Sterling?
How high is the UV index 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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