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
April marks a rise in the average high-temperature, moving from March's frosty 43°F (6.1°C) to a moderate 55.9°F (13.3°C). Southborough's nighttime temperature during April is consistently averaged at a wintry 39°F (3.9°C).Humidity
With an average relative humidity of 71%, April is the least humid month.Rainfall
In Southborough, during April, the rain falls for 13.5 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 140.8 rainfall days, and 26.34" (669mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Southborough, Massachusetts, in April, snow falls for 1.5 days, with typically accumulated 1.69" (43mm) of snow. In Southborough, during the entire year, snow falls for 32.4 days and aggregates up to 21.61" (549mm) of snow.Daylight
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 7:12 pm. On the last day of April, sunrise is at 5:41 am and sunset at 7:44 pm EDT.
Sunshine
The average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 3 during April translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
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 Southborough in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Southborough have in April?
How high is the UV index in April?
Average temperature in April
Southborough, MA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in April: 39°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
Southborough, 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
Southborough, 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
Southborough, MA
- Average humidity in April: 71%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).
Average rainfall in April
Southborough, MA
- Average rainfall in April: 2.52"
The wettest months (with the highest rainfall) are March, November and December (2.56").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in April
Southborough, MA
- Average rainfall days in April: 13.5 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in April
Southborough, MA
- Average snowfall in April: 1.69"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Southborough, MA
- Average snowfall days in April: 1.5 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Southborough, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Southborough, MA
- Average sunshine days in April: 13.4 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in April
Southborough, 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
Southborough, MA
- Average cloud cover in April: 46
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
Southborough, MA
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, May, October, November and December (6mi).
The months with the lowest visibility are February, June, July, August and September (5mi).
Southborough, Massachusetts, USA
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