December weather forecast
Kittery, ME

Weather in December

The first month of the winter, December, is also a wintry month in Kittery, Maine, with an average temperature varying between 28°F (-2.2°C) and 37.6°F (3.1°C).

Temperature

In Kittery, the average high-temperature in December drops from a chilly 47.1°F (8.4°C) in November to a cold 37.6°F (3.1°C). In Kittery, the average low-temperature is 28°F (-2.2°C).

Humidity

The average relative humidity in December is 78%.

Rainfall

In Kittery, during December, the rain falls for 11.5 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Kittery, Maine, during the entire year, the rain falls for 144.2 days and collects up to 27.48" (698mm) of precipitation.

Snowfall

Months with snowfall in Kittery are January through April, October through December. In Kittery, during December, snow falls for 7.5 days and regularly aggregates up to 3.9" (99mm) of snow. Throughout the year, there are 35.2 snowfall days, and 16.97" (431mm) of snow is accumulated.

Ocean temperature

In Kittery, the average seawater temperature in December is 45.9°F (7.7°C).
Note: Swimming in 45.9°F (7.7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The month with the shortest days is December, with an average of 9h and 4min of daylight.
On the first day of December, sunrise is at 6:54 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:17 pm EST.

Sunshine

February and December, with an average of 4.8h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Kittery?

The average high-temperature, in December, in Kittery, is 37.6°F (3.1°C), while the average low-temperature is 28°F (-2.2°C).

What is the average humidity in December in Kittery?

In Kittery, Maine, the average relative humidity in December is 78%.

How many days does it rain in December in Kittery?

In Kittery, in December, it is raining for 11.5 days, with typically 2.8" (71mm) of accumulated precipitation.

How much does it snow in Kittery in December?

In December, it is snowing for 7.5 days. Throughout December, 3.9" (99mm) of snow is accumulated.

How cold is the water in December in Kittery?

In Kittery, the average seawater temperature in December is 45.9°F (7.7°C). Swimming in 45.9°F (7.7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Kittery?

The month with the shortest days in Kittery, Maine, is December, with an average of 9h and 4min of daylight.

What is the average length of the day in December in Kittery?

In December, the average day length is 9h and 4min.

When is the sunrise / sunset in December in Kittery?

On the first day of December in Kittery, Maine, sunrise is at 6:54 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:17 pm EST.

What are the months with the least sunshine in Kittery?

The months with the least sunshine in Kittery, Maine, are February and December, with an average of 4.8h of sunshine.

How long on average sun shines in December in Kittery?

The average sunshine duration in December in Kittery is 4.8h.

What are the months with the lowest UV index in Kittery?

The months with the lowest UV index in Kittery are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Kittery?

In Kittery, Maine, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
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 December
Kittery, ME

Average temperature in December - Kittery, ME
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in December: 28°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

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Average pressure in December
Kittery, ME

Average pressure in December - Kittery, ME
  • Average pressure in December: 30.03"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Kittery, ME

Average wind speed in December - Kittery, ME
  • Average wind speed in December: 10.8mph

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in December
Kittery, ME

Average humidity in December - Kittery, ME
  • Average humidity in December: 78%

The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are April and November (75%).

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Average rainfall in December
Kittery, ME

Average rainfall in December - Kittery, ME
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in December
Kittery, ME

Average rainfall days in December - Kittery, ME
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in December
Kittery, ME

Average snowfall in December - Kittery, ME
  • Average snowfall in December: 3.9"

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Kittery, ME

Average snowfall days in December - Kittery, ME
  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is January (8.8 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 December
Kittery, ME

Average sea temperature in December - Kittery, ME
  • Average sea temperature in December: 45.8°F

The best month for swimming (with the highest average sea temperature) is August (65.6°F).
The coldest month (with the lowest average sea temperature) is March (38.5°F).

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Average daylight in December /
Average sunshine in December
Kittery, ME

Average daylight in December / Average sunshine in December - Kittery, ME
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 19min).
The month with the shortest days is December (Average daylight: 9h and 4min).

  • Average sunshine in December: 4h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in December
Kittery, ME

Average sunshine days in December - Kittery, ME
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in December
Kittery, ME

Average UV index in December - Kittery, ME
  • Average UV index in December: 2

The months with the highest UV index are July and August (UV index 6).
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 December
Kittery, ME

Average cloud cover in December - Kittery, ME
  • Average cloud cover in December: 47

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in December
Kittery, ME

Average visibility in December - Kittery, ME
  • Average visibility in December: 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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