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's onset brings a rise in the average high-temperature, moving from a frosty 43°F (6.1°C) in March to a mild 55.9°F (13.3°C). In the month of April, the average temperature dips to an icy 39°F (3.9°C) during the night.Humidity
The least humid month is April, with an average relative humidity of 70%.Rainfall
In Acton, during April, the rain falls for 11.9 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, there are 116.3 rainfall days, and 15.87" (403mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Acton, in April, snow falls for 1.3 days, with typically accumulated 1.18" (30mm) of snow. Throughout the year, there are 25.5 snowfall days, and 11.42" (290mm) of snow is accumulated.Daylight
In Acton, the average length of the day in April is 13h and 24min.On the first day of April, sunrise is at 6:26 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:44 pm EDT.
Sunshine
The average sunshine in April is 8h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In April, a daily UV index of 3 turns into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. On your guard! Snow's reflection 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
What are April temperatures?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
How many hours of daylight does Acton have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Acton, MA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is July (82.4°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 (63.3°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in April
Acton, 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
Acton, 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
Acton, MA
- Average humidity in April: 70%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall in April
Acton, MA
- Average rainfall in April: 1.61"
The wettest month (with the highest rainfall) is October (1.65").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in April
Acton, MA
- Average rainfall days in April: 11.9 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in April
Acton, MA
- Average snowfall in April: 1.18"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Acton, MA
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Acton, 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 0min
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 30min).
Average sunshine days in April
Acton, MA
- Average sunshine days in April: 15.8 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is April (15.8 days).
Average UV index in April
Acton, 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
Acton, MA
- Average cloud cover in April: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Acton, MA
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Acton, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location