April weather forecastSeal Harbor, ME
April
Weather in April
April is a frosty spring month in Seal Harbor, Maine, with an average temperature varying between 48.6°F (9.2°C) and 35.6°F (2°C).Temperature
The shift into April brings an increase in the average high-temperature, moving from an icy 37.2°F (2.9°C) in March to a frosty 48.6°F (9.2°C). During April, the average low-temperature in Seal Harbor is a cold 35.6°F (2°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In Seal Harbor, during April, the rain falls for 15.5 days and regularly aggregates up to 3.5" (89mm) of precipitation. Throughout the year, there are 142.1 rainfall days, and 32.28" (820mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 3.1 days. Throughout April, 2.44" (62mm) of snow is accumulated. In Seal Harbor, during the entire year, snow falls for 48.1 days and aggregates up to 23.82" (605mm) of snow.Daylight
The average length of the day in April is 13h and 29min.On the first day of April in Seal Harbor, sunrise is at 6:12 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 7:36 pm EDT.
Sunshine
The average sunshine in April is 7.2h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 3 in April suggests the following recommendations:
Take precautions - Protection against sunburn is recommended. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Seal Harbor, ME
- Average high temperature in April: 48.6°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in April: 35.6°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in April
Seal Harbor, 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
Seal Harbor, ME
- Average wind speed in April: 9.2mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in April
Seal Harbor, ME
- Average humidity in April: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in April
Seal Harbor, ME
- Average rainfall in April: 3.5"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in April
Seal Harbor, ME
- Average rainfall days in April: 15.5 days
The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in April
Seal Harbor, ME
- Average snowfall in April: 2.44"
The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Seal Harbor, ME
- Average snowfall days in April: 3.1 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Seal Harbor, 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: 7h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in April
Seal Harbor, ME
- Average sunshine days in April: 11.2 days
The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in April
Seal Harbor, 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
Seal Harbor, ME
- Average cloud cover in April: 54
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in April
Seal Harbor, ME
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
