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
As March transitions into April, Grand Isle sees a rise in the average high-temperature, moving from a freezing cold 27.7°F (-2.4°C) to an icy 40.8°F (4.9°C). Grand Isle reports an average nighttime low-temperature of 26.1°F (-3.3°C) in April.Humidity
The average relative humidity in April is 88%.Rainfall
April is the month with the most rainfall. Rain falls for 14 days and accumulates 2.95" (75mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Grand Isle. In Grand Isle, in April, during 12.3 snowfall days, 7.95" (202mm) of snow is typically accumulated. Throughout the year, there are 107.8 snowfall days, and 71.34" (1812mm) of snow is accumulated.Daylight
The average length of the day in April in Grand Isle is 13h and 39min.On the first day of April, sunrise is at 6:09 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 7:43 pm EDT.
Sunshine
In April, the average sunshine in Grand Isle, Maine, is 5.2h.UV index
The average daily maximum UV index in April in Grand Isle is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in April interprets into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
Is April cold in Grand Isle?
What is the average humidity in April in Grand Isle?
What is the wettest month in Grand Isle?
How much does it rain in Grand Isle in April?
How many days does it snow in April in Grand Isle?
How many hours of daylight does Grand Isle have in April?
What time are sunrise and sunset in April in Grand Isle?
How long on average sun shines in April in Grand Isle?
What is the UV index intensity in April in Grand Isle?
Average temperature in April
Grand Isle, ME
- Average high temperature in April: 40.8°F
The warmest month (with the highest average high temperature) is July (74.3°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in April: 26.1°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is January (2.8°F).
Average pressure in April
Grand Isle, ME
- Average pressure in April: 29.94"Hg
The months with the highest atmospheric pressure are March, September and November (30.01"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Grand Isle, ME
- Average wind speed in April: 7.9mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in April
Grand Isle, ME
- Average humidity in April: 88%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is May (76%).
Average rainfall in April
Grand Isle, ME
- Average rainfall in April: 2.95"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in April
Grand Isle, ME
- Average rainfall days in April: 14 days
The month with the highest number of rainy days is July (17.1 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in April
Grand Isle, ME
- Average snowfall in April: 7.95"
The month with the highest snowfall is January (14.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Grand Isle, ME
- Average snowfall days in April: 12.3 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Grand Isle, ME
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 5h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).
Average sunshine days in April
Grand Isle, ME
- Average sunshine days in April: 7.9 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is April (7.9 days).
Average UV index in April
Grand Isle, ME
- Average UV index in April: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in April
Grand Isle, ME
- Average cloud cover in April: 66
The month with the most cloud cover is February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in April
Grand Isle, ME
- Average visibility in April: 4mi
The months with the highest visibility are May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Grand Isle, Maine, USA
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