April weather forecastWellesley, MA
April
Weather in April
April is a refreshing spring month in Wellesley, Massachusetts, with an average temperature fluctuating between 39.6°F (4.2°C) and 55.9°F (13.3°C).Temperature
Wellesley in April experiences an increase in the average high-temperature, moving from March's chilly 43.5°F (6.4°C) to a refreshing 55.9°F (13.3°C). An average low-temperature of 39.6°F (4.2°C) is recorded in the month of April.Humidity
With an average relative humidity of 70%, April is the least humid month.Rainfall
In Wellesley, during April, the rain falls for 14.2 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, 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 Wellesley, in April, during 1.1 snowfall days, 0.94" (24mm) of snow is typically accumulated. In Wellesley, during the entire year, snow falls for 28.5 days and aggregates up to 15.91" (404mm) of snow.Daylight
In April, the average length of the day is 13h and 24min.On the first day of April, sunrise is at 6:26 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:43 pm EDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
In Wellesley, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 3 in April transforms into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. 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
Wellesley, 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
Wellesley, 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
Wellesley, 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
Wellesley, 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
Wellesley, 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
Wellesley, 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
Wellesley, 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
Wellesley, 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
Wellesley, 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: 8h and 12min
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
Wellesley, 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
Wellesley, 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
Wellesley, 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
Wellesley, 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).
