December weather forecastSand Springs, MT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Sand Springs, Montana, with an average temperature fluctuating between 16°F (-8.9°C) and 28°F (-2.2°C).Temperature
December's arrival correlates with a reduction in the average high-temperature, down from a wintry 40.5°F (4.7°C) in November to a subzero cold 28°F (-2.2°C). Throughout the month of December, Sand Springs reports a steady low-temperature average of 16°F (-8.9°C).Humidity
In Sand Springs, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 4.6 days. Throughout December, 0.71" (18mm) of precipitation is accumulated. In Sand Springs, Montana, during the entire year, the rain falls for 104.8 days and collects up to 13.03" (331mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Sand Springs. The month with the most snowfall in Sand Springs is December, when snow falls for 12.5 days and typically aggregates up to 4.45" (113mm) 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 7:36 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 4:30 pm MST.
Sunshine
In December, the average sunshine is 5h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Enhance your sun protection with tightly woven, yet airy clothing. Consider carefully! The reflective quality of snow 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
Sand Springs, MT
- Average high temperature in December: 28°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in December: 16°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in December
Sand Springs, MT
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Sand Springs, MT
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is February (9.9mph).
Average humidity in December
Sand Springs, MT
- Average humidity in December: 79%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Sand Springs, MT
- Average rainfall in December: 0.71"
The wettest months (with the highest rainfall) are May and June (1.89").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in December
Sand Springs, MT
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in December
Sand Springs, MT
- Average snowfall in December: 4.45"
The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Sand Springs, MT
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Sand Springs, 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 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in December
Sand Springs, MT
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in December
Sand Springs, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Sand Springs, MT
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in December
Sand Springs, MT
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





