Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Billings, Montana, the lowest average temperatures are observed in December, with a high of 31.1°F (-0.5°C) and a low of 18.9°F (-7.3°C).Humidity
In Billings, Montana, the average relative humidity in December is 74%.Rainfall
In Billings, Montana, during December, the rain falls for 6.8 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, in Billings, there are 128.5 rainfall days, and 14.69" (373mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Billings, during December, snow falls for 12.8 days and regularly aggregates up to 5.24" (133mm) of snow. In Billings, Montana, during the entire year, snow falls for 64.5 days and aggregates up to 31.18" (792mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:35 am and sunset at 4:31 pm. On the last day of December, in Billings, sunrise is at 7:54 am and sunset at 4:39 pm MST.
Sunshine
The average sunshine in December in Billings is 5.5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Billings. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What is the coldest month in Billings?
How cold is December in Billings?
What is the average humidity in December in Billings?
How much does it rain in Billings in December?
How many days does it snow in December in Billings?
What is the month with the shortest days in Billings?
How many hours of daylight does Billings have in December?
When are sunrise and sunset in December in Billings?
How long on average sun shines in December in Billings?
What are the months with the lowest UV index in Billings?
What is the UV index reading in December in Billings?
Average temperature in December
Billings, MT
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).
Average pressure in December
Billings, MT
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Billings, MT
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Billings, MT
- Average humidity in December: 74%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Billings, MT
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in December
Billings, MT
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Billings, MT
- Average snowfall in December: 5.24"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Billings, MT
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Billings, MT
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Billings, MT
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (9.9 days).
Average UV index in December
Billings, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Billings, MT
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in December
Billings, 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).
Billings, Montana, USA
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