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
In Islesboro, stepping into April brings a temperature increase, moving up from March's icy 37°F (2.8°C) to a frosty 48.9°F (9.4°C). The nights of April in Islesboro anticipate an average low-temperature of 34.5°F (1.4°C).Humidity
In April, the average relative humidity in Islesboro is 78%.Rainfall
In Islesboro, Maine, in April, it is raining for 15 days, with typically 2.64" (67mm) of accumulated precipitation. In Islesboro, during the entire year, the rain falls for 141.1 days and collects up to 24.29" (617mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Islesboro, during April, snow falls for 2.9 days and regularly aggregates up to 2.17" (55mm) of snow. In Islesboro, Maine, during the entire year, snow falls for 44.3 days and aggregates up to 16.81" (427mm) of snow.Daylight
In April, the average length of the day in Islesboro is 13h and 29min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:03 pm. On the last day of April, sunrise is at 5:26 am and sunset at 7:38 pm EDT.
Sunshine
In Islesboro, the average sunshine in April is 7.1h.UV index
The average daily maximum UV index in April in Islesboro is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 3 in April transforms into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are April temperatures in Islesboro?
What is the average humidity in April in Islesboro?
How many days does it rain in April in Islesboro?
How many days does it snow in April in Islesboro?
What is the average length of the day in April in Islesboro?
When is the sunrise / sunset in April in Islesboro?
How many hours of sunshine does Islesboro have in April?
What is the UV index intensity in April in Islesboro?
Average temperature in April
Islesboro, ME
- Average high temperature in April: 48.9°F
The warmest months (with the highest average high temperature) are July and August (73.9°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in April: 34.5°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in April
Islesboro, ME
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Islesboro, ME
- Average wind speed in April: 9.1mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in April
Islesboro, ME
- Average humidity in April: 78%
The months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is November (77%).
Average rainfall in April
Islesboro, ME
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is December (2.72").
The driest months (with the least rainfall) are July and September (1.46").
Average rainfall days in April
Islesboro, ME
- Average rainfall days in April: 15 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in April
Islesboro, ME
- Average snowfall in April: 2.17"
The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Islesboro, ME
- Average snowfall days in April: 2.9 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Islesboro, ME
- Average daylight in April: 13h and 3min
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: 7h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in April
Islesboro, ME
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in April
Islesboro, 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, November and December (UV index 2).
Average cloud cover in April
Islesboro, ME
- Average cloud cover in April: 54
The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in April
Islesboro, ME
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
Islesboro, Maine, USA
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