December weather forecastCaribou, ME
December
Weather in December
December, being the height of the winter season, sees average daily highs around 25°F (-3.9°C) and snowfall averaging 13.7" (348mm). The city is transformed into a winter wonderland. The short daylight hours and low temperatures make it conducive for a wide range of winter recreational activities. The highlight of the month is undoubtedly the festive season, which adds to the magical winter environment.Temperature
December implies a gentle temperature shift, with average high-temperatures reducing from November's wintry 37.4°F (3°C) to a freezing cold 25°F (-3.9°C). December nights experience a consistent temperature drop to a frigid cold 13.3°F (-10.4°C).Humidity
The average relative humidity in December is 89%.Rainfall
In December, the rain falls for 7.9 days. Throughout December, 3.19" (81mm) of precipitation is accumulated. In Caribou, during the entire year, the rain falls for 144 days and collects up to 32.95" (837mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Caribou. In Caribou, during December, snow falls for 17.5 days and regularly aggregates up to 13.7" (348mm) of snow. In Caribou, during the entire year, snow falls for 104.9 days and aggregates up to 73.35" (1863mm) of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:57 am and sunset at 3:45 pm. On the last day of December, sunrise is at 7:17 am and sunset at 3:53 pm EST.
Sunshine
In December, the average sunshine in Caribou is 3h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Caribou, ME
- Average high temperature in December: 25°F
The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in December: 13.3°F
The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in December
Caribou, ME
- Average pressure in December: 30"Hg
The month with the highest atmospheric pressure is September (30.02"Hg).
The months with the lowest atmospheric pressure are June and July (29.89"Hg).
Average wind speed in December
Caribou, ME
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Caribou, ME
- Average humidity in December: 89%
The months with the highest relative humidity are February and March (93%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Caribou, ME
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in December
Caribou, ME
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in December
Caribou, ME
- Average snowfall in December: 13.7"
The month with the highest snowfall is January (15.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Caribou, ME
- Average snowfall days in December: 17.5 days
The month with the highest number of snowfall days is February (21 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Caribou, ME
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).
Average sunshine days in December
Caribou, ME
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in December
Caribou, ME
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Caribou, ME
- Average cloud cover in December: 69
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 43).
Average visibility in December
Caribou, ME
- Average visibility in December: 4mi
The month with the highest visibility is May (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
