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
The transition from March to April brings a temperature rise, with average high-temperatures increasing from a cold 37°F (2.8°C) to a frosty 48.9°F (9.4°C). In the month of April, the average low-temperature usually rests at a cold 34.5°F (1.4°C).Humidity
In April, the average relative humidity is 78%.Rainfall
In North Islesboro, during April, the rain falls for 15 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, in North Islesboro, there are 141.1 rainfall days, and 24.29" (617mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 2.9 days. Throughout April, 2.17" (55mm) of snow is accumulated. Throughout the year, in North Islesboro, Maine, there are 44.3 snowfall days, and 16.81" (427mm) of snow is accumulated.Daylight
In North Islesboro, the average length of the day in April is 13h and 29min.On the first day of April, sunrise is at 6:15 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 7:38 pm EDT.
Sunshine
In North Islesboro, Maine, the average sunshine in April is 7.1h.UV index
The average daily maximum UV index in April in North Islesboro, Maine, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during April translates into the following guidance:
Prioritize safety - Recommendations to avert sunburn are shared. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in North Islesboro in April?
What is the average humidity in April in North Islesboro?
How many days does it rain in April in North Islesboro?
How many days does it snow in April in North Islesboro?
What is the average length of the day in April in North Islesboro?
When are sunrise and sunset in April in North Islesboro?
How many hours of sunshine does North Islesboro have in April?
What is the UV index reading in April in North Islesboro?
Average temperature in April
North 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
North 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
North 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
North 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
North 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
North 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
North 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
North 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
North 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
North 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
North 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
North 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
North 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).
North Islesboro, Maine, USA
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