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
With the arrival of April, the average high-temperature transitions from a frosty 43.5°F (6.4°C) in March to a moderate 55.9°F (13.3°C). The nights of April anticipate an average low-temperature of 39.6°F (4.2°C).Humidity
With an average relative humidity of 70%, April is the least humid month in Sudbury.Rainfall
In Sudbury, during April, the rain falls for 14.2 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, in Sudbury, there are 141.8 rainfall days, and 24.21" (615mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Sudbury, Massachusetts. In April, it is snowing for 1.1 days. Throughout April, 0.94" (24mm) of snow is accumulated. Throughout the year, in Sudbury, there are 28.5 snowfall days, and 15.91" (404mm) of snow is accumulated.Daylight
The average length of the day in April in Sudbury 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, in Sudbury, Massachusetts, sunrise is at 5:40 am and sunset at 7:44 pm EDT.
Sunshine
The average sunshine in April in Sudbury is 8.2h.UV index
In Sudbury, Massachusetts, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In April, a regular UV index of 3 translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the temperature in April in Sudbury?
What is the least humid month in Sudbury?
What is the average humidity in April in Sudbury?
How many days does it rain in April in Sudbury?
How much does it snow in Sudbury in April?
What is the average length of the day in April in Sudbury?
When is the sunrise / sunset in April in Sudbury?
How long on average sun shines in April in Sudbury?
How high is the UV index in April in Sudbury?
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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