December weather forecast
Brooklin, ME

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Weather in December

December, the first month of the winter in Brooklin, is also an icy month, with an average temperature ranging between max 35.1°F (1.7°C) and min 25.7°F (-3.5°C).

Temperature

The onset of December coincides with a reduction in the average high-temperature, falling from a chilly 44.8°F (7.1°C) in November to a wintry 35.1°F (1.7°C). During December, an average low-temperature of 25.7°F (-3.5°C) is observed.

Humidity

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

Rainfall

December is the month with the most rainfall. Rain falls for 11.5 days and accumulates 3.94" (100mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Brooklin, in December, snow falls for 7.9 days, with typically accumulated 3.78" (96mm) of snow. Throughout the year, there are 48.1 snowfall days, and 23.82" (605mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 6:50 am and sunset at 3:56 pm. On the last day of December, sunrise is at 7:09 am and sunset at 4:05 pm EST.

Sunshine

In December, the average sunshine is 4.4h.

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 threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In December, an average UV index of 2 transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In December, the average high-temperature and low-temperature in Brooklin are 35.1°F (1.7°C) and 25.7°F (-3.5°C) respectively.

What is the average humidity in December?

In December, the average relative humidity is 78%.

What is the rainiest month?

December is the month with the most rainfall. Rain falls for 11.5 days and accumulates 3.94" (100mm) of precipitation.

How many days does it rain in December?

In December, the rain falls for 11.5 days. Throughout December, 3.94" (100mm) of precipitation is accumulated.

How much does it snow in Brooklin in December?

In Brooklin, during December, snow falls for 7.9 days and regularly aggregates up to 3.78" (96mm) of snow.

What is the month with the shortest days?

With an average of 8h and 54min of daylight, December has the shortest days of the year.

How many hours of daylight does Brooklin have in December?

In Brooklin, the average day length in December is 8h and 56min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:50 am and sunset at 3:56 pm. On the last day of the month, in Brooklin, sunrise is at 7:09 am and sunset at 4:05 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.4h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December 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
Brooklin, ME

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

The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in December
Brooklin, ME

Average pressure in December - Brooklin, ME
  • Average pressure in December: 29.99"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).

Average wind speed in December
Brooklin, ME

Average wind speed in December - Brooklin, ME
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in December
Brooklin, ME

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

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).

Average rainfall in December
Brooklin, ME

Average rainfall in December - Brooklin, ME
  • Average rainfall in December: 3.94"

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").

Average rainfall days in December
Brooklin, ME

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

The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).

Average snowfall in December
Brooklin, ME

Average snowfall in December - Brooklin, ME
  • Average snowfall in December: 3.78"

The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Brooklin, ME

Average snowfall days in December - Brooklin, ME
  • Average snowfall days in December: 7.9 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Brooklin, ME
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in December
Brooklin, ME

Average sunshine days in December - Brooklin, ME
  • Average sunshine days in December: 14.1 days

The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).

Average UV index in December
Brooklin, ME

Average UV index in December - Brooklin, 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).

Average cloud cover in December
Brooklin, ME

Average cloud cover in December - Brooklin, ME
  • Average cloud cover in December: 53

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).

Average visibility in December
Brooklin, ME

Average visibility in December - Brooklin, ME
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

Brooklin, Maine, USA

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