December weather forecast
Yarmouth, ME

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Weather in December

December wraps up the year in Yarmouth with decisive winter weather. The transformation from autumn to winter becomes apparent as the landscape takes on a frosty persona. The month displays an increased snowfall of 1.97" (50mm) over 6.2 days, setting the scene for Christmas festivities. Winds become gustier, and the city gets draped in a veil of tranquility under a blanket of snow. The weather in Yarmouth during December, tinged with winter chills and snowy scenery, creates a picturesque end to the year.

Temperature

The average high-temperature in Yarmouth decreases in December, shifting from a frosty 45.3°F (7.4°C) in November to a cold 35.1°F (1.7°C). Yarmouth documents an average low-temperature of 26.1°F (-3.3°C) for the nights of December.

Humidity

In December, the average relative humidity is 77%.

Rainfall

In Yarmouth, in December, it is raining for 10.1 days, with typically 1.81" (46mm) of accumulated precipitation. In Yarmouth, Maine, during the entire year, the rain falls for 132.8 days and collects up to 19.88" (505mm) of precipitation.

Snowfall

Months with snowfall in Yarmouth, Maine, are January through May, November and December. In Yarmouth, in December, snow falls for 6.2 days, with typically accumulated 1.97" (50mm) of snow. In Yarmouth, Maine, during the entire year, snow falls for 31.2 days and aggregates up to 10.94" (278mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 6:55 am and sunset at 4:04 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:13 pm EST.

Sunshine

With an average of 4.7h of sunshine, December has the least sunshine of the year in Yarmouth.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

How cold is December in Yarmouth?

In Yarmouth, in December, the average high-temperature is 35.1°F (1.7°C), and the average low-temperature is 26.1°F (-3.3°C).

What is the average humidity in December in Yarmouth?

In Yarmouth, the average relative humidity in December is 77%.

How much does it rain in Yarmouth in December?

In December, the rain falls for 10.1 days. Throughout December, 1.81" (46mm) of precipitation is accumulated.

How many days does it snow in December in Yarmouth?

In December, it is snowing for 6.2 days. Throughout December, 1.97" (50mm) of snow is accumulated.

What is the month with the shortest days in Yarmouth?

December has the shortest days of the year, with an average of 9h and 0min of daylight.

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

In December, the average day length in Yarmouth is 8h and 59min.

What time are sunrise and sunset in December in Yarmouth?

In December, on the first day of the month, sunrise is at 6:55 am and sunset at 4:04 pm. On the last day of the month, in Yarmouth, Maine, sunrise is at 7:14 am and sunset at 4:13 pm EST.

What is the month with the least sunshine in Yarmouth?

December has the least sunshine of the year, with an average of 4.7h of sunshine.

How many hours of sunshine does Yarmouth have in December?

In December, the average sunshine duration in Yarmouth, Maine, is 4.7h.

When is the lowest UV index in Yarmouth?

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

What is the UV index reading in December in Yarmouth?

In December, the average daily maximum UV index in Yarmouth is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe 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 December
Yarmouth, ME

Average temperature in December - Yarmouth, ME
  • Average high temperature in December: 35.1°F

The warmest month (with the highest average high temperature) is July (74.7°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in December
Yarmouth, ME

Average pressure in December - Yarmouth, ME
  • Average pressure in December: 30.01"Hg

The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Yarmouth, ME

Average wind speed in December - Yarmouth, ME
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in December
Yarmouth, ME

Average humidity in December - Yarmouth, ME
  • Average humidity in December: 77%

The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is November (75%).

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Average rainfall in December
Yarmouth, ME

Average rainfall in December - Yarmouth, ME
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is October (2.28").
The driest month (with the least rainfall) is September (1.14").

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Average rainfall days in December
Yarmouth, ME

Average rainfall days in December - Yarmouth, ME
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is January (6 days).

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Average snowfall in December
Yarmouth, ME

Average snowfall in December - Yarmouth, ME
  • Average snowfall in December: 1.97"

The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Yarmouth, ME

Average snowfall days in December - Yarmouth, ME
  • Average snowfall days in December: 6.2 days

The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Yarmouth, ME
  • Average daylight in December: 9h and 0min

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 December: 4h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

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Average sunshine days in December
Yarmouth, ME

Average sunshine days in December - Yarmouth, ME
  • Average sunshine days in December: 16.5 days

The months with the most sunshine days are January and September (18.5 days).
The month with the least sunshine days is April (13 days).

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Average UV index in December
Yarmouth, ME

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

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 December
Yarmouth, ME

Average cloud cover in December - Yarmouth, ME
  • Average cloud cover in December: 48

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Yarmouth, ME

Average visibility in December - Yarmouth, 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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Yarmouth, Maine, USA

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