April weather forecastBlackstone, MA
April
Weather in April
April is a moderate spring month in Blackstone, Massachusetts, with an average temperature varying between 39.6°F (4.2°C) and 56.3°F (13.5°C).Temperature
With the onset of April, Blackstone experiences a temperature shift, with the average high-temperature moving from a chilly 43.9°F (6.6°C) in March to a moderate 56.3°F (13.5°C). Throughout the month of April, Blackstone sees a steady low-temperature average of 39.6°F (4.2°C).Humidity
The least humid month is April, with an average relative humidity of 71%.Rainfall
The month with the most rainfall is April, when the rain falls for 14.9 days and typically aggregates up to 2.83" (72mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 1.1 days. Throughout April, 0.67" (17mm) of snow is accumulated. Throughout the year, there are 28.8 snowfall days, and 14.65" (372mm) of snow is accumulated.Daylight
The average length of the day in April 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 7:44 pm EDT.
Sunshine
The average sunshine in April is 7.7h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In April, the maximum UV index of 3 suggests this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Blackstone, MA
- Average high temperature in April: 56.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in April: 39.6°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in April
Blackstone, 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 (29.93"Hg).
Average wind speed in April
Blackstone, MA
- Average wind speed in April: 8.7mph
The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Blackstone, MA
- Average humidity in April: 71%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in April
Blackstone, MA
- Average rainfall in April: 2.83"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in April
Blackstone, MA
- Average rainfall days in April: 14.9 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (7.9 days).
Average snowfall in April
Blackstone, MA
- Average snowfall in April: 0.67"
The month with the highest snowfall is March (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Blackstone, MA
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Blackstone, 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: 7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in April
Blackstone, MA
- Average sunshine days in April: 13.2 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (12.5 days).
Average UV index in April
Blackstone, 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
Blackstone, MA
- Average cloud cover in April: 49
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in April
Blackstone, MA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).





