April weather forecast
Stonington, ME

Weather in April

April in Stonington, Maine, is a chilly spring month, with average temperature varying between 46°F (7.8°C) and 37.2°F (2.9°C).

Temperature

In April, the average high-temperature rises, from a cold 37°F (2.8°C) in March, to a chilly 46°F (7.8°C). The average low-temperature,, is 37.2°F (2.9°C).

Humidity

In Stonington, the average relative humidity in April is 79%.

Rainfall

In Stonington, Maine, during April, the rain falls for 11.7 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Stonington, during the entire year, the rain falls for 115.5 days and collects up to 17.95" (456mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows in Stonington. During 1.8 snowfall days, in April, Stonington aggregates 0.91" (23mm) of snow. Throughout the year, there are 29.2 snowfall days, and 9.65" (245mm) of snow is accumulated.

Ocean temperature

In Stonington, the average seawater temperature in April is 40.6°F (4.8°C).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

In April, the average length of the day in Stonington is 13.5h.

Sunshine

In Stonington, the average sunshine in April is 7.6h.

UV index

In Stonington, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in April in Stonington?

In April, the average relative humidity in Stonington is 79%.

How much does it rain in Stonington in April?

In Stonington, Maine, during April, the rain falls for 11.7 days and regularly aggregates up to 1.69" (43mm) of precipitation.

What is the last month it snows in Stonington?

April is the last month it regularly snows in Stonington, Maine. During 1.8 snowfall days, in April, Stonington aggregates 0.91" (23mm) of snow.

What is the ocean temperature in April in Stonington?

In Stonington, Maine, the average seawater temperature in April is 40.6°F (4.8°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

How many hours of daylight does Stonington have in April?

The average length of the day in April in Stonington is 13.5h.

How long on average sun shines in April in Stonington?

In Stonington, the average sunshine in April is 7.6h.

What is the UV index intensity in April in Stonington?

In April, the average daily maximum UV index in Stonington, Maine, is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in April
Stonington, ME

Average temperature in April - Stonington, ME
  • Average high temperature in April: 46°F

The warmest month (with the highest average high temperature) is August (68.9°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in April: 37.2°F

The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in April
Stonington, ME

Average pressure in April - Stonington, ME
  • Average pressure in April: 29.95"

The month with the highest atmospheric pressure is September (30.04").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in April
Stonington, ME

Average wind speed in April - Stonington, ME
  • Average wind speed in April: 11.7mph

The windiest month (with the highest average wind speed) is January (14.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

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Average humidity in April
Stonington, ME

Average humidity in April - Stonington, ME
  • Average humidity in April: 79%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in April
Stonington, ME

Average rainfall in April - Stonington, ME
  • Average rainfall in April: 1.69"

The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the least rainfall) is September (0.91").

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Average rainfall days in April
Stonington, ME

Average rainfall days in April - Stonington, ME
  • Average rainfall days in April: 11.7 days

The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in April
Stonington, ME

Average snowfall in April - Stonington, ME
  • Average snowfall in April: 0.91"

The month with the highest snowfall is February (2.32").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Stonington, ME

Average snowfall days in April - Stonington, ME
  • Average snowfall days in April: 1.8 days

The month with the highest number of snowfall days is January (7.7 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in April
Stonington, ME

Average sea temperature in April - Stonington, ME
  • Average sea temperature in April: 40.6°F

The best month for swimming (with the highest average sea temperature) is August (58.6°F).
The coldest month (with the lowest average sea temperature) is March (38.2°F).

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Average daylight in April /
Average sunshine in April
Stonington, ME

Average daylight in April / Average sunshine in April - Stonington, ME
  • Average daylight in April: 13.5h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in April: 7.6h

The month with the most sunshine is August (Average sunshine: 10.4h).
The month with the least sunshine is December (Average sunshine: 4.5h).

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Average sunshine days in April
Stonington, ME

Average sunshine days in April - Stonington, ME
  • Average sunshine days in April: 15.5 days

The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is July (15.4 days).

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Average UV index in April
Stonington, ME

Average UV index in April - Stonington, ME
  • Average UV index in April: 3

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in April
Stonington, ME

Average cloud cover in April - Stonington, ME
  • Average cloud cover in April: 51

Months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in April
Stonington, ME

Average visibility in April - Stonington, ME
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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