December weather forecastBangor, CA

December

Weather in December

December, the first month of the winter in Bangor, is also a fresh month, with an average temperature ranging between min 39.7°F (4.3°C) and max 53.6°F (12°C).

Temperature

Temperature records mark December as the coldest month, with highs averaging 53.6°F (12°C) and lows at 39.7°F (4.3°C).

Humidity

In December, the average relative humidity is 68%.

Rainfall

In December, the rain falls for 9.8 days. Throughout December, 2.72" (69mm) of precipitation is accumulated. In Bangor, during the entire year, the rain falls for 71.4 days and collects up to 15.31" (389mm) of precipitation.

Snowfall

In Bangor, snow does not fall in January, March through December.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:52 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 5.8h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Bangor. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The UV index of 3 during December translates into the following guidance:
Take necessary precautions - Protection from skin and eye injury is mandatory. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

December is the month when Bangor sees the average lowest temperatures, with a high of 53.6°F (12°C) and a low of 39.7°F (4.3°C).

In Bangor, 53.6°F (12°C) is the average high-temperature and 39.7°F (4.3°C) is the average low-temperature during December. In June, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 86°F (30°C).

In Bangor, the average relative humidity in December is 68%.

In Bangor, in December, it is raining for 9.8 days, with typically 2.72" (69mm) of accumulated precipitation.

In Bangor, snow does not fall in January, March through December.

With an average of 9h and 24min of daylight, December has the shortest days of the year.

In Bangor, California, the average day length in December is 9h and 27min.

On the first day of December, sunrise is at 7:07 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:52 pm PST.

The month with the least sunshine is December, with an average of 5.8h of sunshine.

In December, the average sunshine duration is 5.8h.

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bangor, CA

  • Average high temperature in December: 53.6°F

The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (53.6°F).

  • Average low temperature in December: 39.7°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).

Average pressure in December
Bangor, CA

  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Bangor, CA

  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is March (6mph).
The calmest months (with the lowest average wind speed) are August and November (5mph).

Average humidity in December
Bangor, CA

  • Average humidity in December: 68%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (35%).

Average rainfall in December
Bangor, CA

  • Average rainfall in December: 2.72"

The wettest month (with the highest rainfall) is March (2.87").
The driest month (with the least rainfall) is July (0.04").

Average rainfall days in December
Bangor, CA

  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (1.6 days).

Average snowfall in December
Bangor, CA

  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Bangor, CA

  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Bangor, CA

  • Average daylight in December: 9h and 24min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 48min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in December
Bangor, CA

  • Average sunshine days in December: 20.7 days

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (17.4 days).

Average UV index in December
Bangor, CA

  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Bangor, CA

  • Average cloud cover in December: 35

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in December
Bangor, CA

  • Average visibility in December: 6mi

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