December weather forecast
Falmouth, ME

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Weather in December

December, the first month of the winter in Falmouth, is still a cold month, with an average temperature ranging between max 35.1°F and min 26.1°F.

Temperature

The onset of December is marked by a decrease in temperature, transitioning from a chilly 45.3°F in November to a cold 35.1°F. In Falmouth, the month of December records an average minimum temperature of 26.1°F, a slight dip from the daily highs.

Humidity

The average relative humidity in December is 77%.

Rainfall

In Falmouth, in December, it is raining for 10.1 days, with typically 1.81" of accumulated precipitation. Throughout the year, in Falmouth, there are 132.8 rainfall days, and 19.88" of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Falmouth. In December, in Falmouth, it is snowing for 6.2 days. Throughout December, 1.97" of snow is accumulated. In Falmouth, during the entire year, snow falls for 31.2 days and aggregates up to 10.94" of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:54 am and sunset at 4:05 pm. On the last day of December, in Falmouth, Maine, sunrise is at 7:14 am and sunset at 4:13 pm EST.

Sunshine

The month with the least sunshine in Falmouth is December, with an average of 4.7h of sunshine.

UV index

The months with the lowest UV index in Falmouth are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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FAQ

How cold is it in Falmouth in December?

Falmouth in December has an average high-temperature of 35.1°F and an average low-temperature of 26.1°F.

What is the average humidity in December in Falmouth?

In December, the average relative humidity is 77%.

How much does it rain in Falmouth in December?

In December, in Falmouth, Maine, the rain falls for 10.1 days. Throughout December, 1.81" of precipitation is accumulated.

How many days does it snow in December in Falmouth?

In Falmouth, in December, during 6.2 snowfall days, 1.97" of snow is typically accumulated.

What is the month with the shortest days in Falmouth?

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

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

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

When are sunrise and sunset in December in Falmouth?

In December, on the first day of the month, sunrise is at 6:54 am and sunset at 4:05 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:13 pm EST.

What is the month with the least sunshine in Falmouth?

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

How many hours of sunshine does Falmouth have in December?

The average sunshine duration in December in Falmouth, Maine, is 4.7h.

What is the month with the lowest UV index in Falmouth?

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

What is the UV index reading in December in Falmouth?

The average daily maximum UV index in December in Falmouth is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Falmouth, ME

Average temperature in December - Falmouth, 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
Falmouth, ME

Average pressure in December - Falmouth, 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
Falmouth, ME

Average wind speed in December - Falmouth, 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
Falmouth, ME

Average humidity in December - Falmouth, 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
Falmouth, ME

Average rainfall in December - Falmouth, 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
Falmouth, ME

Average rainfall days in December - Falmouth, 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
Falmouth, ME

Average snowfall in December - Falmouth, 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
Falmouth, ME

Average snowfall days in December - Falmouth, 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
Falmouth, ME

Average daylight in December / Average sunshine in December - Falmouth, 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
Falmouth, ME

Average sunshine days in December - Falmouth, 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
Falmouth, ME

Average UV index in December - Falmouth, 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
Falmouth, ME

Average cloud cover in December - Falmouth, 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
Falmouth, ME

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

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