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
Sudbury's weather in April shows a rise in the average high-temperature, moving up from March's chilly 43.5°F (6.4°C) to a moderate 55.9°F (13.3°C). In the month of April, Sudbury's average low-temperature falls to an icy 39.6°F (4.2°C).Humidity
With an average relative humidity of 70%, April is the least humid month.Rainfall
In April, the rain falls for 14.2 days. Throughout April, 2.36" (60mm) of precipitation is accumulated. In Sudbury, during the entire year, the rain falls for 141.8 days and collects up to 24.21" (615mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 1.1 days. Throughout April, 0.94" (24mm) of snow is accumulated. Throughout the year, there are 28.5 snowfall days, and 15.91" (404mm) 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 6:26 am and sunset at 7:11 pm. On the last day of April, sunrise is at 5:40 am and sunset at 7:44 pm EDT.
Sunshine
The average sunshine in April is 8.2h.UV index
In Sudbury, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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 Sudbury in April?
How much does it snow in April?
How many hours of daylight does Sudbury have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Sudbury have in April?
What is the UV index intensity in April?
Average temperature in April
Sudbury, 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 (33.1°F).
- Average low temperature in April: 39.6°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in April
Sudbury, 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
Sudbury, MA
- Average wind speed in April: 8.1mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in April
Sudbury, 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
Sudbury, MA
- Average rainfall in April: 2.36"
The wettest month (with the highest rainfall) is March (2.4").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in April
Sudbury, MA
- Average rainfall days in April: 14.2 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
Sudbury, MA
- Average snowfall in April: 0.94"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Sudbury, MA
- Average snowfall days in April: 1.1 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Sudbury, 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 48min).
Average sunshine days in April
Sudbury, MA
- Average sunshine days in April: 13.2 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in April
Sudbury, 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
Sudbury, MA
- Average cloud cover in April: 46
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Sudbury, 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).
Sudbury, Massachusetts, USA
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