December weather forecast
Cambridge, ME

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Weather in December

The first month of the winter, December, is also a subzero cold month in Cambridge, Maine, with an average temperature ranging between max 30.4°F (-0.9°C) and min 19.8°F (-6.8°C).

Temperature

The shift to December brings a decrease in the average high-temperature, falling from a wintry 41.9°F (5.5°C) in November to a freezing cold 30.4°F (-0.9°C). In the month of December, the temperature in Cambridge generally rests at an average low of 19.8°F (-6.8°C).

Humidity

In Cambridge, the average relative humidity in December is 82%.

Rainfall

In Cambridge, in December, it is raining for 7.3 days, with typically 1.22" (31mm) of accumulated precipitation. In Cambridge, Maine, during the entire year, the rain falls for 120.7 days and collects up to 15.79" (401mm) of precipitation.

Snowfall

Months with snowfall in Cambridge are January through May, October through December. In December, in Cambridge, it is snowing for 9.4 days. Throughout December, 3.07" (78mm) of snow is accumulated. Throughout the year, in Cambridge, there are 48.1 snowfall days, and 17.32" (440mm) of snow is accumulated.

Daylight

The month with the shortest days in Cambridge, Maine, is December, with an average of 8h and 48min of daylight.
On the first day of the month, sunrise is at 6:56 am and sunset at 3:57 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:06 pm EST.

Sunshine

In December, the average sunshine is 4.2h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Cambridge. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In December, the UV index of 2 transforms into the following advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

How cold is it in Cambridge in December?

In Cambridge, in December, the average high-temperature is 30.4°F (-0.9°C), and the average low-temperature is 19.8°F (-6.8°C).

What is the average humidity in December in Cambridge?

In Cambridge, Maine, the average relative humidity in December is 82%.

How much does it rain in Cambridge in December?

In December, in Cambridge, the rain falls for 7.3 days. Throughout December, 1.22" (31mm) of precipitation is accumulated.

How many days does it snow in December in Cambridge?

In Cambridge, in December, during 9.4 snowfall days, 3.07" (78mm) of snow is typically accumulated.

What is the month with the shortest days in Cambridge?

December has the shortest days of the year in Cambridge, Maine, with an average of 8h and 48min of daylight.

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

In Cambridge, Maine, the average day length in December is 8h and 50min.

When are sunrise and sunset in December in Cambridge?

On the first day of December, sunrise is at 6:56 am and sunset at 3:57 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:06 pm EST.

How long on average sun shines in December in Cambridge?

The average sunshine duration in December is 4.2h.

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

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

What is the UV index intensity in December in Cambridge?

The average daily maximum UV index in December in Cambridge is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's 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
Cambridge, ME

Average temperature in December - Cambridge, ME
  • Average high temperature in December: 30.4°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in December: 19.8°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

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Average pressure in December
Cambridge, ME

Average pressure in December - Cambridge, ME
  • Average pressure in December: 30.01"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).

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Average wind speed in December
Cambridge, ME

Average wind speed in December - Cambridge, ME
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Cambridge, ME

Average humidity in December - Cambridge, ME
  • Average humidity in December: 82%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May and November (77%).

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Average rainfall in December
Cambridge, ME

Average rainfall in December - Cambridge, ME
  • Average rainfall in December: 1.22"

The wettest months (with the highest rainfall) are April, June and October (1.73").
The driest months (with the least rainfall) are February and March (0.91").

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Average rainfall days in December
Cambridge, ME

Average rainfall days in December - Cambridge, ME
  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall in December
Cambridge, ME

Average snowfall in December - Cambridge, ME
  • Average snowfall in December: 3.07"

The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Cambridge, ME

Average snowfall days in December - Cambridge, ME
  • Average snowfall days in December: 9.4 days

The month with the highest number of snowfall days is February (11.1 days).
The 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
Cambridge, ME

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in December
Cambridge, ME

Average sunshine days in December - Cambridge, ME
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (12.4 days).

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Average UV index in December
Cambridge, ME

Average UV index in December - Cambridge, 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, October, November and December (UV index 2).

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Average cloud cover in December
Cambridge, ME

Average cloud cover in December - Cambridge, ME
  • Average cloud cover in December: 54

The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 40).

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Average visibility in December
Cambridge, ME

Average visibility in December - Cambridge, ME
  • Average visibility in December: 5mi

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

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Cambridge, Maine, USA

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