Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The arrival of December signals a shift in temperature, down from an icy 36.5°F (2.5°C) in November to a freezing cold 25.7°F (-3.5°C). December brings Barnjum a consistent average low-temperature of 15.1°F (-9.4°C).Humidity
The average relative humidity in December is 86%.Rainfall
In December, the rain falls for 7.4 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 134.8 rainfall days, and 19.33" (491mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Barnjum, in December, snow falls for 18.8 days, with typically accumulated 7.64" (194mm) of snow. In Barnjum, during the entire year, snow falls for 115.6 days and aggregates up to 53.43" (1357mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 6:59 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:10 pm EST.
Sunshine
In December, the average sunshine is 3.5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December in Barnjum?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Barnjum have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Barnjum, ME
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is January (20.5°F).
- Average low temperature in December: 15.1°F
The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in December
Barnjum, ME
- Average pressure in December: 30.02"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Barnjum, ME
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January, February and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Barnjum, ME
- Average humidity in December: 86%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Barnjum, ME
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in December
Barnjum, ME
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Barnjum, ME
- Average snowfall in December: 7.64"
The month with the highest snowfall is April (8.98").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Barnjum, ME
- Average snowfall days in December: 18.8 days
The month with the highest number of snowfall days is March (20.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Barnjum, ME
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in December
Barnjum, ME
- Average sunshine days in December: 12 days
The month with the most sunshine days is September (15.2 days).
The months with the least sunshine days are February and April (8.7 days).
Average UV index in December
Barnjum, ME
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Barnjum, ME
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 46).
Average visibility in December
Barnjum, ME
- Average visibility in December: 4mi
The month with the highest visibility is November (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (4mi).
Barnjum, Maine, USA
Weather forecast for your location
2. Allow the app to use your location