April weather forecastWestborough, MA
April
Weather in April
April is a mild spring month in Westborough, Massachusetts, with an average temperature varying between 55.9°F (13.3°C) and 39°F (3.9°C).Temperature
As Westborough enters April, the average high-temperature increases from the a chilly 43°F (6.1°C) of March to a mild 55.9°F (13.3°C). April nights experience a consistent temperature drop to an icy 39°F (3.9°C).Humidity
April is the least humid month, with an average relative humidity of 71%.Rainfall
In Westborough, in April, it is raining for 13.5 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, in Westborough, there are 140.8 rainfall days, and 26.34" (669mm) of precipitation is accumulated.Snowfall
Months with snowfall in Westborough are January through May, October through December. In Westborough, Massachusetts, in April, snow falls for 1.5 days, with typically accumulated 1.69" (43mm) of snow. In Westborough, during the entire year, snow falls for 32.4 days and aggregates up to 21.61" (549mm) of snow.Daylight
In April, the average length of the day in Westborough is 13h and 23min.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 5:42 am and sunset at 7:45 pm EDT.
Sunshine
In Westborough, 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 health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 3 during April translates into the following guidance:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. 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
Average temperature in April
Westborough, 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
Westborough, 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
Westborough, 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
Westborough, 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
Westborough, 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
Westborough, 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
Westborough, 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
Westborough, 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
Westborough, MA
- 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 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
Westborough, 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
Westborough, 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
Westborough, 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
Westborough, 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).
