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
The transition to April introduces an increase in the average high-temperature, shifting from a wintry 37.9°F (3.3°C) in March to a chilly 49.1°F (9.5°C). During the nights in April, an average low-temperature of 36.1°F (2.3°C) is observed.Humidity
In Boothbay Harbor, the average relative humidity in April is 77%.Rainfall
In Boothbay Harbor, Maine, during April, the rain falls for 15.1 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Boothbay Harbor, Maine, 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. Throughout the year, there are 40 snowfall days, and 20.08" (510mm) of snow is accumulated.Ocean temperature
In April, the average ocean temperature is 41.4°F (5.2°C).Note: Diving into 41.4°F (5.2°C) is practical below 50°F (10°C), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 55.4°F (13°C) feels ice-cold.
Daylight
In Boothbay Harbor, the average length of the day in April is 13h and 28min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:05 pm. On the last day of April, in Boothbay Harbor, sunrise is at 5:30 am and sunset at 7:40 pm EDT.
Sunshine
In Boothbay Harbor, the average sunshine in April is 7.6h.UV index
In April, the average daily maximum UV index in Boothbay Harbor is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during April leads to these advisories:
Act with care - Obligation to protect against skin and eye damage is highlighted. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What is the usual temperature for Boothbay Harbor in April?
What is the average humidity in April in Boothbay Harbor?
How many days does it rain in April in Boothbay Harbor?
How much does it snow in Boothbay Harbor in April?
What is the ocean temperature in April in Boothbay Harbor?
How many hours of daylight does Boothbay Harbor have in April?
When is the sunrise / sunset in April in Boothbay Harbor?
How many hours of sunshine does Boothbay Harbor have in April?
What is the UV index reading in April in Boothbay Harbor?
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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