December weather forecastJackman, ME
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Jackman, Maine, with an average temperature fluctuating between 25.2°F (-3.8°C) and 15.1°F (-9.4°C).Temperature
The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a cold 37°F (2.8°C) in November to a subzero cold 25.2°F (-3.8°C). Jackman experiences an average low-temperature of 15.1°F (-9.4°C) in month of December.Humidity
In Jackman, the average relative humidity in December is 87%.Rainfall
In Jackman, in December, it is raining for 8.5 days, with typically 2.91" (74mm) of accumulated precipitation. In Jackman, during the entire year, the rain falls for 149.8 days and collects up to 32.24" (819mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Jackman. In Jackman, in December, snow falls for 19.5 days, with typically accumulated 12.32" (313mm) of snow. In Jackman, during the entire year, snow falls for 110.8 days and aggregates up to 76.65" (1947mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 3:58 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:07 pm EST.
Sunshine
The average sunshine in December is 3h.UV index
February, March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the UV index of 1 transforms into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. 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. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jackman, ME
- Average high temperature in December: 25.2°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is January (19.8°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°F).
Average pressure in December
Jackman, ME
- Average pressure in December: 30.02"Hg
The month with the highest atmospheric pressure is November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Jackman, ME
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Jackman, ME
- Average humidity in December: 87%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Jackman, ME
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is February (2.17").
Average rainfall days in December
Jackman, ME
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Jackman, ME
- Average snowfall in December: 12.32"
The month with the highest snowfall is February (14.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Jackman, ME
- Average snowfall days in December: 19.5 days
The month with the highest number of snowfall days is February (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jackman, ME
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
Jackman, ME
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in December
Jackman, 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 February, March and December (UV index 1).
Average cloud cover in December
Jackman, ME
- Average cloud cover in December: 72
The month with the most cloud cover is February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in December
Jackman, ME
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, March, April, August, September and December (4mi).





