December weather forecast and climate
Augusta, ME

Beautiful view of the water and skyline in Augusta, Maine, with trees and mountains in a distance
Beautiful view of the water and skyline in Augusta, Maine, with trees and mountains in a distance

Weather in December

December, the first month of the winter, in Augusta, is still a cold month, with temperature in the range of an average high of 32.5°F (0.3°C) and an average low of 22.1°F (-5.5°C).

Temperature

In December, the average high-temperature decreases, from a chilly 43.7°F (6.5°C) in November, to a wintry 32.5°F (0.3°C). In December, the average low-temperature is 22.1°F (-5.5°C).

Humidity

The average relative humidity in Augusta is 80%.

Rainfall

In Augusta, during December, the rain falls for 10.4 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Augusta, during the entire year, the rain falls for 142.3 days and collects up to 27.52" (699mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Augusta. In December, in Augusta, Maine, it is snowing for 9.1 days. Throughout December, 4.8" (122mm) of snow is accumulated. Throughout the year, there are 50.3 snowfall days, and 29.69" (754mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8.9h of daylight.

Sunshine

The average sunshine in Augusta is 4.7h.

UV index

Months with the lowest UV index in Augusta are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for the average 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Augusta?

The average high-temperature, in December, in Augusta, is 32.5°F (0.3°C), while the average low-temperature is 22.1°F (-5.5°C).

What is the average humidity in December in Augusta?

In December, the average relative humidity in Augusta is 80%.

How much does it rain in Augusta in December?

In Augusta, during December, the rain falls for 10.4 days and regularly aggregates up to 2.83" (72mm) of precipitation.

How many days does it snow in December in Augusta?

In Augusta, in December, during 9.1 snowfall days, 4.8" (122mm) of snow is typically accumulated.

What is the month with the shortest days in Augusta?

December has the shortest days of the year in Augusta, Maine, with an average of 8.9h of daylight.

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

In December, the average length of the day in Augusta, Maine, is 8.9h.

How long on average sun shines in December in Augusta?

The average sunshine in December is 4.7h.

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

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Augusta.

How high is the UV index in December in Augusta?

The average daily maximum UV index in December in Augusta is 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays.

Average temperature in December
Augusta, ME

Average temperature in December - Augusta, ME
  • Average high temperature in December: 32.5°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 22.1°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

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Average pressure in December
Augusta, ME

Average pressure in December - Augusta, ME
  • Average pressure in December: 30.01"

Months with the highest atmospheric pressure are September and November (30.04").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in December
Augusta, ME

Average wind speed in December - Augusta, ME
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Augusta, ME

Average humidity in December - Augusta, ME
  • Average humidity in December: 80%

Months with the highest relative humidity are January, February and March (83%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in December
Augusta, ME

Average rainfall in December - Augusta, ME
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.42").

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Average rainfall days in December
Augusta, ME

Average rainfall days in December - Augusta, ME
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is January (7 days).

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Average snowfall in December
Augusta, ME

Average snowfall in December - Augusta, ME
  • Average snowfall in December: 4.8"

The month with the highest snowfall is February (6.77").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Augusta, ME

Average snowfall days in December - Augusta, ME
  • Average snowfall days in December: 9.1 days

The month with the highest number of snowfall days is January (10.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Augusta, ME
  • Average daylight in December: 8.9h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in December: 4.7h

The month with the most sunshine is August (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in December
Augusta, ME

Average sunshine days in December - Augusta, ME
  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is April (11.6 days).

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Average UV index in December
Augusta, ME

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

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Augusta, ME

Average cloud cover in December - Augusta, ME
  • Average cloud cover in December: 50

Months with the most cloud cover are March and April (Cloud cover 52).
Months with the least cloud cover are August and September (Cloud cover 36).

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Average visibility in December
Augusta, ME

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

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

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