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 sea temperature 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 Boothbay Harbor transitions into April, the average high-temperature is observed to rise from a cold 37.9°F (3.3°C) in March to a frosty 49.1°F (9.5°C). During the month of April, Boothbay Harbor experiences a steady low-temperature average of 36.1°F (2.3°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In Boothbay Harbor, during April, the rain falls for 15.1 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Boothbay Harbor, during the entire year, the rain falls for 142.1 days and collects up to 30.51" (775mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In April, it is snowing for 2.7 days. Throughout April, 1.54" (39mm) of snow is accumulated. In Boothbay Harbor, during the entire year, snow falls for 40 days and aggregates up to 20.08" (510mm) of snow.Ocean temperature
In Boothbay Harbor, the average seawater temperature in April is 41.4°F (5.2°C).Note: Beware when you're in 41.4°F (5.2°C) waters; 55.4°F (13°C) is chilling and anything below 50°F (10°C) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
In Boothbay Harbor, the average length of the day in April is 13h and 28min.On the first day of April, sunrise is at 6:18 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 7:40 pm EDT.
Sunshine
The average sunshine in April is 7.6h.UV index
In Boothbay Harbor, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 3 during April morphs into the following directions:
Undertake precautions - Guarding against sun damage is counselled. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
How cold is the water in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How long on average sun shines in April in Boothbay Harbor?
How high is the UV index in April?
Average temperature in April
Boothbay Harbor, ME
- Average high temperature in April: 49.1°F
The warmest months (with the highest average high temperature) are July and August (74.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in April: 36.1°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in April
Boothbay Harbor, 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
Boothbay Harbor, ME
- Average wind speed in April: 9.6mph
The windiest months (with the highest average wind speed) are January and March (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Boothbay Harbor, ME
- Average humidity in April: 77%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (76%).
Average rainfall in April
Boothbay Harbor, ME
- Average rainfall in April: 3.07"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in April
Boothbay Harbor, ME
- Average rainfall days in April: 15.1 days
The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in April
Boothbay Harbor, ME
- Average snowfall in April: 1.54"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Boothbay Harbor, ME
- Average snowfall days in April: 2.7 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Boothbay Harbor, ME
- Average sea temperature in April: 41.3°F
The best month for swimming (with the highest average sea temperature) is August (62.2°F).
The coldest month (with the lowest average sea temperature) is March (37.9°F).
Average daylight in April /
Average sunshine in April
Boothbay Harbor, ME
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in April
Boothbay Harbor, ME
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in April
Boothbay Harbor, ME
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Boothbay Harbor, ME
- Average cloud cover in April: 51
The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Boothbay Harbor, ME
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Boothbay Harbor, Maine, USA
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