December weather forecastElliston, MT
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Elliston, Montana, with an average temperature ranging between min 13.1°F (-10.5°C) and max 26.2°F (-3.2°C).Temperature
In Elliston, the lowest average temperatures are observed in December, with a high of 26.2°F (-3.2°C) and a low of 13.1°F (-10.5°C).Humidity
In December, the average relative humidity is 86%.Rainfall
January and December are months with the least rain when the rain falls for 6.7 days and typically aggregates up to 0.59" (15mm) of rain.Snowfall
January through June, September through December are months with snowfall. In Elliston, in December, during 13.6 snowfall days, 4.61" (117mm) of snow is typically accumulated. In Elliston, Montana, during the entire year, snow falls for 92.7 days and aggregates up to 45.59" (1158mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 7:53 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 4:52 pm MST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.6h of sunshine.UV index
In December, the average daily maximum UV index in Elliston is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Elliston, MT
- Average high temperature in December: 26.2°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (26.2°F).
- Average low temperature in December: 13.1°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in December
Elliston, MT
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Elliston, MT
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is November (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Elliston, MT
- Average humidity in December: 86%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (48%).
Average rainfall in December
Elliston, MT
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is June (2.6").
The driest months (with the least rainfall) are January and December (0.59").
Average rainfall days in December
Elliston, MT
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Elliston, MT
- Average snowfall in December: 4.61"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Elliston, MT
- Average snowfall days in December: 13.6 days
The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Elliston, MT
- 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: 5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in December
Elliston, MT
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Elliston, MT
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Elliston, MT
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in December
Elliston, MT
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
