December weather forecastGildford Colony, MT
December
Weather in December
December, the first month of the winter in Gildford Colony, is still a freezing cold month, with an average temperature varying between 15.4°F (-9.2°C) and 27.1°F (-2.7°C).Temperature
Gildford Colony's coldest period falls in January and December, when the average high-temperatures ascend to 27.1°F (-2.7°C).Humidity
The average relative humidity in December in Gildford Colony is 80%.Rainfall
The month with the least rainfall in Gildford Colony is December, when the rain falls for 4.4 days and typically collects 0.31" (8mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Gildford Colony, Montana, during December, snow falls for 10.5 days and regularly aggregates up to 1.97" (50mm) of snow. In Gildford Colony, during the entire year, snow falls for 53.5 days and aggregates up to 14.25" (362mm) of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:53 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 4:34 pm MST.
Sunshine
In Gildford Colony, the average sunshine in December is 5.4h.UV index
The months with the lowest UV index in Gildford Colony are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gildford Colony, MT
- Average high temperature in December: 27.1°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The months with the lowest average high temperature are January and December (27.1°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).
Average pressure in December
Gildford Colony, MT
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Gildford Colony, MT
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Gildford Colony, MT
- Average humidity in December: 80%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Gildford Colony, MT
- Average rainfall in December: 0.31"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is December (0.31").
Average rainfall days in December
Gildford Colony, MT
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in December
Gildford Colony, MT
- Average snowfall in December: 1.97"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Gildford Colony, MT
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Gildford Colony, MT
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Gildford Colony, MT
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is September (20.3 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in December
Gildford Colony, 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
Gildford Colony, MT
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in December
Gildford Colony, 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).





