December weather forecastTiber Dam Camp, MT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Tiber Dam Camp, Montana, with temperature in the range of an average high of 28.2°F (-2.1°C) and an average low of 16.7°F (-8.5°C).Temperature
December is the coldest month, exhibiting average temperatures of 28.2°F (-2.1°C) at the peak and 16.7°F (-8.5°C) at the base.Humidity
The average relative humidity in December is 78%.Rainfall
December is the month with the least rainfall in Tiber Dam Camp, Montana. Rain falls for 6.9 days and accumulates 0.59" (15mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Tiber Dam Camp, Montana, during December, snow falls for 12 days and regularly aggregates up to 3.7" (94mm) of snow. In Tiber Dam Camp, during the entire year, snow falls for 65.1 days and aggregates up to 24.69" (627mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of December, sunrise is at 7:55 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 8:15 am and sunset at 4:40 pm MST.
Sunshine
January and December, with an average of 5.3h of sunshine, are months with the least sunshine in Tiber Dam Camp.UV index
The months with the lowest UV index in Tiber Dam Camp are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tiber Dam Camp, MT
- Average high temperature in December: 28.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (28.2°F).
- Average low temperature in December: 16.7°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).
Average pressure in December
Tiber Dam Camp, MT
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Tiber Dam Camp, MT
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Tiber Dam Camp, MT
- Average humidity in December: 78%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).
Average rainfall in December
Tiber Dam Camp, MT
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in December
Tiber Dam Camp, MT
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5 days).
Average snowfall in December
Tiber Dam Camp, MT
- Average snowfall in December: 3.7"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Tiber Dam Camp, MT
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Tiber Dam Camp, MT
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in December
Tiber Dam Camp, MT
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in December
Tiber Dam Camp, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Tiber Dam Camp, MT
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in December
Tiber Dam Camp, MT
- 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).
