April weather forecastCharlton, MA
April
Weather in April
April in Charlton, Massachusetts, is a mild spring month, with an average temperature fluctuating between 38.1°F (3.4°C) and 55.6°F (13.1°C).Temperature
As April arrives, a rise in the average high-temperature is observed, moving from a cold 42.4°F (5.8°C) in March to a mild 55.6°F (13.1°C). An average nighttime temperature of 38.1°F (3.4°C) is observed during April.Humidity
With an average relative humidity of 72%, April is the least humid month.Rainfall
In Charlton, in April, it is raining for 14.8 days, with typically 2.91" (74mm) of accumulated precipitation. Throughout the year, there are 151.1 rainfall days, and 31.26" (794mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Charlton, during April, snow falls for 1.6 days and regularly aggregates up to 1.38" (35mm) of snow. Throughout the year, there are 37.7 snowfall days, and 20.59" (523mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 23min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:14 pm. On the last day of April, sunrise is at 5:43 am and sunset at 7:46 pm EDT.
Sunshine
In Charlton, the average sunshine in April is 7.9h.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 exposure to the Sun's UV radiation for the ordinary person.Note: In April, the maximum UV index of 3 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Charlton, MA
- Average high temperature in April: 55.6°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in April: 38.1°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in April
Charlton, MA
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Charlton, MA
- Average wind speed in April: 8.4mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in April
Charlton, MA
- Average humidity in April: 72%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).
Average rainfall in April
Charlton, MA
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in April
Charlton, MA
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in April
Charlton, MA
- Average snowfall in April: 1.38"
The months with the highest snowfall are February and March (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Charlton, MA
- Average snowfall days in April: 1.6 days
The month with the highest number of snowfall days is March (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Charlton, 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 54min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Charlton, MA
- Average sunshine days in April: 13.5 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in April
Charlton, MA
- Average UV index in April: 3
The months with the highest UV index are June and July (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
Charlton, 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 37).
Average visibility in April
Charlton, MA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
