January weather forecast
Billings, MT

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The forest of trees in the plains, on the sandstone bluffs in Billings, Montana
The forest of trees in the plains, on the sandstone bluffs in Billings, Montana

Weather in January

January in Billings, Montana, locks itself into the stillness of winter with an average low temperature of 19.2°F (-7.1°C) and an average snowfall of 5.35" (136mm). As this is one of the coldest months, the city is often enveloped in a layer of powdery snow that helps to create an idyllic winter scene. January continues the trend of December with a high amount of snowfall, making it the perfect weather for winter sports enthusiasts. The snow gradually clears towards the end of the month, giving way to a slightly warmer February. January also carries the distinction of more snow-covered days than any other month with 12.7 days on average.

Temperature

January is marked by an average high-temperature of a cold 32.2°F (0.1°C), almost identical to the preceding month. Billings experiences a mean temperature of 19.2°F (-7.1°C) during January nights.

Humidity

With an average relative humidity of 76%, January is the most humid month.

Rainfall

In Billings, in January, during 6.3 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 128.5 rainfall days, and 14.69" (373mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Billings, during January, snow falls for 12.7 days and regularly aggregates up to 5.35" (136mm) of snow. In Billings, during the entire year, snow falls for 64.5 days and aggregates up to 31.18" (792mm) of snow.

Daylight

In Billings, the average length of the day in January is 9h and 10min.
On the first day of January, sunrise is at 7:55 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:17 pm MST.

Sunshine

In January, the average sunshine is 5.5h.

UV index

The months with the lowest UV index in Billings are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 2 in January translates into this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in January?

The high-temperature, in January, in Billings, records 32.2°F (0.1°C), while the low-temperature is 19.2°F (-7.1°C).

What is the most humid month?

The most humid month is January, with an average relative humidity of 76%.

What is the average humidity in January?

The average relative humidity in January is 76%.

How many days does it rain in January?

In January, the rain falls for 6.3 days. Throughout January, 0.83" (21mm) of precipitation is accumulated.

How much does it snow in January?

In January, it is snowing for 12.7 days. Throughout January, 5.35" (136mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 10min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:55 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:17 pm MST.

How many hours of sunshine does Billings have in January?

In January, the average sunshine duration is 5.5h.

What are the months with the lowest UV index?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in January in Billings?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Billings, MT

Average temperature in January - Billings, MT
  • Average high temperature in January: 32.2°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 January: 19.2°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 January
Billings, MT

Average pressure in January - Billings, MT
  • Average pressure in January: 30.14"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 January
Billings, MT

Average wind speed in January - Billings, MT
  • Average wind speed in January: 9.9mph

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 January
Billings, MT

Average humidity in January - Billings, MT
  • Average humidity in January: 76%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (40%).

Average rainfall in January
Billings, MT

Average rainfall in January - Billings, MT
  • Average rainfall in January: 0.83"

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 January
Billings, MT

Average rainfall days in January - Billings, MT
  • Average rainfall days in January: 6.3 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 January
Billings, MT

Average snowfall in January - Billings, MT
  • Average snowfall in January: 5.35"

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 January
Billings, MT

Average snowfall days in January - Billings, MT
  • Average snowfall days in January: 12.7 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 January /
Average sunshine in January
Billings, MT

Average daylight in January / Average sunshine in January - Billings, MT
  • Average daylight in January: 9h and 1min

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 January: 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 January
Billings, MT

Average sunshine days in January - Billings, MT
  • Average sunshine days in January: 15.5 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 January
Billings, MT

Average UV index in January - Billings, MT
  • Average UV index in January: 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 January
Billings, MT

Average cloud cover in January - Billings, MT
  • Average cloud cover in January: 42

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 January
Billings, MT

Average visibility in January - Billings, MT
  • Average visibility in January: 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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