April weather forecastWinchester, MA
April
Weather in April
April is a refreshing spring month in Winchester, Massachusetts, with an average temperature varying between 55.6°F (13.1°C) and 39.7°F (4.3°C).Temperature
Winchester's transition into April brings a rise in the average high-temperature, moving from a frosty 43°F (6.1°C) in March to a refreshing 55.6°F (13.1°C). Winchester in April experiences a low-temperature average of 39.7°F (4.3°C).Humidity
With an average relative humidity of 69%, April is the least humid month.Rainfall
In Winchester, in April, during 14.6 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Winchester, Massachusetts, during the entire year, the rain falls for 138.8 days and collects up to 26.85" (682mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 1.4 days. Throughout April, 1.14" (29mm) of snow is accumulated. Throughout the year, there are 30.6 snowfall days, and 18.86" (479mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 24min.On the first day of April, sunrise is at 6:25 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 7:43 pm EDT.
Sunshine
The average sunshine in April in Winchester is 8.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Winchester, MA
- Average high temperature in April: 55.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in April
Winchester, 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
Winchester, MA
- Average wind speed in April: 8.4mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in April
Winchester, MA
- Average humidity in April: 69%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).
Average rainfall in April
Winchester, MA
- Average rainfall in April: 2.76"
The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in April
Winchester, MA
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in April
Winchester, MA
- Average snowfall in April: 1.14"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Winchester, MA
- Average snowfall days in April: 1.4 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Winchester, 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 6min
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 36min).
Average sunshine days in April
Winchester, 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 April (13.3 days).
Average UV index in April
Winchester, 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
Winchester, MA
- Average cloud cover in April: 47
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Winchester, 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).





