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 in Arlington comes with an increase, with the average high-temperature moving from a chilly 43.3°F (6.3°C) in March to a refreshing 55.8°F (13.2°C). An average minimum temperature of 39.7°F (4.3°C) is recorded during the month of April.Humidity
The least humid month is April, with an average relative humidity of 70%.Rainfall
In Arlington, in April, it is raining for 14.5 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 142.8 rainfall days, and 27.36" (695mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 1.3 days. Throughout April, 0.91" (23mm) of snow is accumulated. Throughout the year, there are 29.6 snowfall days, and 17.8" (452mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 24min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:10 pm. On the last day of April, sunrise is at 5:39 am and sunset at 7:43 pm EDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
In Arlington, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Arlington have in April?
What is the UV index reading in April in Arlington?
Average temperature in April
Arlington, MA
- Average high temperature in April: 55.8°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: 39.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in April
Arlington, 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
Arlington, MA
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in April
Arlington, MA
- Average humidity in April: 70%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in April
Arlington, MA
- Average rainfall in April: 2.83"
The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in April
Arlington, MA
- Average rainfall days in April: 14.5 days
The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in April
Arlington, MA
- Average snowfall in April: 0.91"
The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Arlington, MA
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Arlington, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Arlington, MA
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in April
Arlington, 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
Arlington, 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 32).
Average visibility in April
Arlington, 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).
Arlington, Massachusetts, USA
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