April weather forecast
Stonington, ME

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Weather in April

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

Temperature

April shows a rise in the average high-temperature, moving from March's wintry 37°F (2.8°C) to a frosty 46°F (7.8°C). Stonington records a consistent average nighttime temperature of 37.2°F (2.9°C) in April, slightly lower than the daytime high.

Humidity

The average relative humidity in April is 79%.

Rainfall

In April, the rain falls for 11.7 days. Throughout April, 1.69" (43mm) of precipitation is accumulated. Throughout the year, in Stonington, there are 115.5 rainfall days, and 17.95" (456mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows in Stonington. During 1.8 snowfall days, in April, Stonington aggregates 0.91" (23mm) of snow. In Stonington, during the entire year, snow falls for 29.2 days and aggregates up to 9.65" (245mm) of snow.

Ocean temperature

In April, the average ocean temperature in Stonington, Maine, is 40.6°F (4.8°C).
Note: In the activity of swimming, this state poses an instant danger to life. Breathing control is completely lost, impeding any form of clear thinking. Employing a specialized swimsuit is crucial to minimize thermal loss.

Daylight

The average length of the day in April is 13h and 29min.
On the first day of the month, sunrise is at 6:14 am and sunset at 7:02 pm. On the last day of April, in Stonington, sunrise is at 5:26 am and sunset at 7:37 pm EDT.

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 reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 3 during April translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What are the temperatures in Stonington in April?

The high-temperature, in April, in Stonington, is 46°F (7.8°C), while the low-temperature averages to 37.2°F (2.9°C).

What is the average humidity in April in Stonington?

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

How many days does it rain in April in Stonington?

In Stonington, in April, it is raining for 11.7 days, with typically 1.69" (43mm) of accumulated precipitation.

What is the last month it snows in Stonington?

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

What is the water temperature in April in Stonington?

In Stonington, Maine, in April, the average water temperature 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.

What is the average length of the day in April in Stonington?

The average day length in April in Stonington, Maine, is 13h and 29min.

When is the sunrise / sunset in April in Stonington?

On the first day of April in Stonington, Maine, sunrise is at 6:14 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 7:37 pm EDT.

How long on average sun shines in April in Stonington?

In April, the average sunshine duration is 7.6h.

What is the UV index reading in April in Stonington?

In Stonington, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"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).

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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").
The 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).
The 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: 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: 8h and 54min).

  • Average sunshine in April: 7h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).

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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

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).

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Average cloud cover in April
Stonington, ME

Average cloud cover in April - Stonington, 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 31).

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Average visibility in April
Stonington, ME

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

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

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Stonington, Maine, USA

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