April weather forecastJefferson, MA
April
Weather in April
April in Jefferson, Massachusetts, is a cool spring month, with an average temperature varying between 37.6°F (3.1°C) and 54.9°F (12.7°C).Temperature
An increase in the average high-temperature marks April, moving from March's icy 41.9°F (5.5°C) to a fresh 54.9°F (12.7°C). In April, Jefferson encounters an average low-temperature of 37.6°F (3.1°C) during the night.Humidity
With an average relative humidity of 72%, April is the least humid month.Rainfall
In April, the rain falls for 14.3 days. Throughout April, 2.64" (67mm) of precipitation is accumulated. Throughout the year, in Jefferson, there are 146.1 rainfall days, and 28.94" (735mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Jefferson, in April, snow falls for 2.3 days, with typically accumulated 1.73" (44mm) of snow. Throughout the year, there are 39.9 snowfall days, and 24.45" (621mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 24min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:13 pm. On the last day of April, sunrise is at 5:42 am and sunset at 7:46 pm EDT.
Sunshine
In April, the average sunshine is 7.9h.UV index
In Jefferson, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. It's recommended to limit sun exposure when its radiation is at its peak during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Jefferson, MA
- Average high temperature in April: 54.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in April: 37.6°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 (18.9°F).
Average pressure in April
Jefferson, 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
Jefferson, MA
- Average wind speed in April: 8.2mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in April
Jefferson, 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
Jefferson, MA
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is December (2.76").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in April
Jefferson, MA
- Average rainfall days in April: 14.3 days
The month with the highest number of rainy days is May (16.3 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in April
Jefferson, MA
- Average snowfall in April: 1.73"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Jefferson, MA
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Jefferson, 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 6min).
- Average sunshine in April: 7h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Jefferson, MA
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in April
Jefferson, 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
Jefferson, 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 36).
Average visibility in April
Jefferson, MA
- Average visibility in April: 6mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
