April weather forecastWindsor, ME
April
Weather in April
April in Windsor, Maine, is a frosty spring month, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 49.6°F (9.8°C).Temperature
Observing a rise in April, the average high-temperature goes from March's wintry 36.7°F (2.6°C) to a frosty 49.6°F (9.8°C). Windsor's average low-temperature in April is measured at a wintry 33.4°F (0.8°C).Humidity
The months with the lowest humidity are April and November, with an average relative humidity of 78%.Rainfall
In Windsor, in April, it is raining for 14.6 days, with typically 3.23" (82mm) of accumulated precipitation. Throughout the year, there are 143.5 rainfall days, and 31.02" (788mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Windsor, Maine, in April, snow falls for 3.9 days, with typically accumulated 4.65" (118mm) of snow. Throughout the year, there are 50.1 snowfall days, and 32.87" (835mm) of snow is accumulated.Daylight
In Windsor, the average length of the day in April is 13h and 29min.On the first day of April, sunrise is at 6:17 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 7:41 pm EDT.
Sunshine
In Windsor, the average sunshine in April is 6.9h.UV index
In Windsor, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In April, the maximum UV index of 3 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Windsor, ME
- Average high temperature in April: 49.6°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in April: 33.4°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in April
Windsor, ME
- Average pressure in April: 29.95"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Windsor, ME
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in April
Windsor, ME
- Average humidity in April: 78%
The months with the highest relative humidity are January, February and March (84%).
The months with the lowest relative humidity are April and November (78%).
Average rainfall in April
Windsor, ME
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in April
Windsor, ME
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (6 days).
Average snowfall in April
Windsor, ME
- Average snowfall in April: 4.65"
The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Windsor, ME
- Average snowfall days in April: 3.9 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Windsor, ME
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 6h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in April
Windsor, ME
- Average sunshine days in April: 11.3 days
The months with the most sunshine days are September and November (16.8 days).
The month with the least sunshine days is April (11.3 days).
Average UV index in April
Windsor, ME
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
Windsor, ME
- Average cloud cover in April: 54
The months with the most cloud cover are February, March and April (Cloud cover 54).
The month with the least cloud cover is September (Cloud cover 39).
Average visibility in April
Windsor, ME
- Average visibility in April: 5mi
The months with the highest visibility are November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and October (5mi).





