Bethel
Maine, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Bethel, ME

A wooden closed bridge in Bethel, Maine, with beautiful yellow and green trees on both sides, on a warm, clear, and cool day in the fall
A wooden closed bridge in Bethel, Maine, with beautiful yellow and green trees on both sides, on a warm, clear, and cool day in the fall
December, the first month of the winter, in Bethel, is still a freezing cold month, with average temperature varying between 30.2°F (-1°C) and 10.4°F (-12°C).

Temperature

In December, the average high-temperature drops, from a chilly 42.8°F (6°C) in November, to a subzero cold 30.2°F (-1°C). The average low-temperature, is 10.4°F (-12°C).

Rainfall

In Bethel, during December, the rain falls for 13 days and regularly aggregates up to 3.8" (97mm) of precipitation. Throughout the year, there are 141 rainfall days, and 43.1" (1094mm) of precipitation is accumulated.

Daylight

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

Sunshine

November and December, with an average of 3h of sunshine, are months with the least sunshine.

UV index

Months with the lowest UV index in Bethel, Maine, are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. 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.

What is the temperature in December in Bethel?

The average high-temperature, in December, in Bethel, Maine, is 30.2°F (-1°C), while the average low-temperature is 10.4°F (-12°C).

How many days does it rain in December in Bethel?

In December, in Bethel, the rain falls for 13 days. Throughout December, 3.8" (97mm) of precipitation is accumulated.

What is the month with the shortest days in Bethel?

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

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

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

What is the month with the least sunshine in Bethel?

Months with the least sunshine are November and December, with an average of 3h of sunshine.

How many hours of sunshine does Bethel have in December?

In Bethel, Maine, the average sunshine in December is 3h.

When is the lowest UV index in Bethel?

Months with the lowest UV index in Bethel are January and December, with an average maximum UV index of 1.

How high is the UV index in December in Bethel?

The average daily maximum UV index in December in Bethel is 1. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV rays.
Average temperature in December - Bethel, ME
  • Average high temperature in December: 30°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in December: 10°F

The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (3°F).

Average rainfall in December - Bethel, ME
  • Average rainfall in December: 3.8"

The wettest month (with the highest rainfall) is November (4.4").
The driest month (with the lowest rainfall) is February (2.8").

Average rainfall days in December - Bethel, ME
  • Average rainfall days in December: 13 days

Months with the highest number of rainy days are May, November and December (13 days).
Months with the lowest number of rainy days are February and September (10 days).

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 shortest days is December (Average daylight: 8.9h).

  • Average sunshine in December: 3h

Months with most sunshine are June, July and August (Average sunshine: 8h).
Months with least sunshine are November and December (Average sunshine: 3).

Average UV index in December - Bethel, ME
  • Average UV index in December: 1

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).