December weather forecastTobacco, MT

December

Weather in December

December, the first month of the winter in Tobacco, is still a freezing cold month, with an average temperature varying between 25.5°F (-3.6°C) and 13.1°F (-10.5°C).

Temperature

Temperature readings reach their annual highs in December, averaging 25.5°F (-3.6°C) and a minimum average of 13.1°F (-10.5°C).

Humidity

The average relative humidity in December in Tobacco is 93%.

Rainfall

In Tobacco, in December, during 8.6 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Tobacco, during the entire year, the rain falls for 136.3 days and collects up to 15.35" (390mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Tobacco, in December, snow falls for 22.1 days, with typically accumulated 9.41" (239mm) of snow. In Tobacco, Montana, during the entire year, snow falls for 110.7 days and aggregates up to 46.81" (1189mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 18min of daylight.
On the first day of December, sunrise is at 8:12 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 8:33 am and sunset at 4:53 pm MST.

Sunshine

The average sunshine in December is 3.5h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 1 in December leads to these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Tobacco, Montana, the lowest temperatures are generally noted in December, averaging a high of 25.5°F (-3.6°C) and a low of 13.1°F (-10.5°C).

The high-temperature, in December, in Tobacco, records 25.5°F (-3.6°C), while the low-temperature is 13.1°F (-10.5°C).

In December, the average relative humidity in Tobacco is 93%.

In Tobacco, in December, it is raining for 8.6 days, with typically 1.73" (44mm) of accumulated precipitation.

In December, in Tobacco, Montana, it is snowing for 22.1 days. Throughout December, 9.41" (239mm) of snow is accumulated.

The month with the shortest days in Tobacco, Montana, is December, with an average of 8h and 18min of daylight.

In Tobacco, the average day length in December is 8h and 20min.

On the first day of December in Tobacco, Montana, sunrise is at 8:12 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 8:33 am and sunset at 4:53 pm MST.

In Tobacco, Montana, the average sunshine duration in December is 3.5h.

The months with the lowest UV index in Tobacco, Montana, are January, February, November and December, with an average maximum UV index of 1.

The average daily maximum UV index in December in Tobacco is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Tobacco, MT

  • Average high temperature in December: 25.5°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (25.5°F).

  • Average low temperature in December: 13.1°F

The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

Average pressure in December
Tobacco, 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 (29.91"Hg).

Average wind speed in December
Tobacco, MT

  • Average wind speed in December: 3.4mph

The windiest month (with the highest average wind speed) is June (4.4mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

Average humidity in December
Tobacco, MT

  • Average humidity in December: 93%

The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (55%).

Average rainfall in December
Tobacco, MT

  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is August (0.39").

Average rainfall days in December
Tobacco, MT

  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is April (17 days).
The month with the least rainy days is August (6.1 days).

Average snowfall in December
Tobacco, MT

  • Average snowfall in December: 9.41"

The month with the highest snowfall is February (10").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Tobacco, MT

  • Average snowfall days in December: 22.1 days

The month with the highest number of snowfall days is December (22.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Tobacco, 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: 3h and 30min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in December
Tobacco, MT

  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (6.3 days).

Average UV index in December
Tobacco, MT

  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December
Tobacco, MT

  • Average cloud cover in December: 67

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in December
Tobacco, MT

  • Average visibility in December: 3mi

The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).