December weather forecast and climate
Bethel, ME

A wooden closed bridge with beautiful yellow and green trees on both sides in Bethel, Maine
A wooden closed bridge with beautiful yellow and green trees on both sides in Bethel, Maine

Weather in December

The first month of the winter, December, is also a subzero cold month in Bethel, Maine, with average temperature varying between 29.3°F (-1.5°C) and 18.9°F (-7.3°C).

Temperature

In Bethel, the average high-temperature in December drops, from a cold 40.3°F (4.6°C) in November, to a subzero cold 29.3°F (-1.5°C). In Bethel, the average low-temperature is 18.9°F (-7.3°C).

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Bethel, during December, the rain falls for 11 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 153 rainfall days, and 27.52" (699mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Bethel. In Bethel, in December, during 14.3 snowfall days, 8.11" (206mm) of snow is typically accumulated. In Bethel, during the entire year, snow falls for 76.9 days, and aggregates up to 52.13" (1324mm) of snow.

Daylight

With an average of 8.9h of daylight, December has the shortest days of the year.

Sunshine

In December, the average sunshine is 4.5h.

UV index

In Bethel, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV rays 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Bethel?

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

How much does it rain in Bethel in December?

In Bethel, Maine, in December, during 11 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

How many days does it snow in December in Bethel?

In December, in Bethel, Maine, it is snowing for 14.3 days. Throughout December, 8.11" (206mm) of snow is accumulated.

What is the month with the shortest days in Bethel?

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

How many hours of daylight does Bethel have in December?

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

How long on average sun shines in December in Bethel?

In Bethel, the average sunshine in December is 4.5h.

What is the UV index reading in December in Bethel?

The average daily maximum UV index in December in Bethel, Maine, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV radiation.

Average temperature in December
Bethel, ME

Average temperature in December - Bethel, ME
  • Average high temperature in December: 29.3°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 (23.9°F).

  • Average low temperature in December: 18.9°F

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10°F).

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Average pressure in December
Bethel, ME

Average pressure in December - Bethel, ME
  • Average pressure in December: 30.02"

The month with the highest atmospheric pressure is November (30.05").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in December
Bethel, ME

Average wind speed in December - Bethel, ME
  • Average wind speed in December: 5.9mph

The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

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Average humidity in December
Bethel, ME

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

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (76%).

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Average rainfall in December
Bethel, ME

Average rainfall in December - Bethel, ME
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in December
Bethel, ME

Average rainfall days in December - Bethel, ME
  • Average rainfall days in December: 11 days

Months with the highest number of rainy days are April and May (15.3 days).
The month with the least rainy days is February (8.6 days).

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Average snowfall in December
Bethel, ME

Average snowfall in December - Bethel, ME
  • Average snowfall in December: 8.11"

The month with the highest snowfall is February (11.54").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Bethel, ME

Average snowfall days in December - Bethel, ME
  • Average snowfall days in December: 14.3 days

Months with the highest number of snowfall days are January and February (15.3 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
Bethel, ME

Average daylight in December / Average sunshine in December - Bethel, 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: 4.5h

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 4.2h).

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Average sunshine days in December
Bethel, ME

Average sunshine days in December - Bethel, ME
  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is April (10.5 days).

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Average UV index in December
Bethel, ME

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

Months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in December
Bethel, ME

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

The month with the most cloud cover is February (Cloud cover 55).
Months with the least cloud cover are July, August and September (Cloud cover 39).

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Average visibility in December
Bethel, ME

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

Months with the highest visibility are May, June, October, November and December (5mi).
Months with the lowest visibility are January, February, March, April, July, August and September (4mi).

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