January weather forecast and climate
Billings, MT

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
January in Billings, Montana, is a wintry winter month, with average temperature ranging between min 19.2°F (-7.1°C) and max 32.2°F (0.1°C).

Temperature

In Billings, the average high-temperature is relatively the same as in December - a wintry 32.2°F (0.1°C). In January, in Billings, the average low-temperature is 19.2°F (-7.1°C).

Humidity

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

Rainfall

In Billings, Montana, during January, the rain falls for 6.3 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Billings, Montana, during the entire year, the rain falls for 128.5 days and collects up to 14.69" (373mm) of precipitation.

Snowfall

Months with snowfall in Billings are January through May, September through December. In January, in Billings, it is snowing for 12.7 days. Throughout January, 5.35" (136mm) of snow is accumulated. Throughout the year, in Billings, there are 64.5 snowfall days, and 31.18" (792mm) of snow is accumulated.

Daylight

The average length of the day in Billings is 9.2h.

Sunshine

In January, the average sunshine 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 health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in January in Billings?

In Billings, in January, the average high-temperature is 32.2°F (0.1°C), and the average low-temperature is 19.2°F (-7.1°C).

What is the most humid month in Billings?

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

What is the average humidity in January in Billings?

In Billings, the average relative humidity in January is 76%.

How much does it rain in Billings in January?

In Billings, in January, during 6.3 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

How many days does it snow in January in Billings?

In Billings, in January, during 12.7 snowfall days, 5.35" (136mm) of snow is typically accumulated.

How many hours of daylight does Billings have in January?

In January, the average length of the day in Billings, Montana, is 9.2h.

How long on average sun shines in January in Billings?

In Billings, the average sunshine in January is 5.5h.

When is the lowest UV index in Billings?

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

What is the UV index reading in January in Billings?

In Billings, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays.
Average temperature in January - Billings, MT
  • Average high temperature in January: 0.1°C

The warmest month (with the highest average high temperature) is July (29.6°C).
The month with the lowest average high temperature is December (-0.5°C).

  • Average low temperature in January: -7.1°C

The month with the highest average low temperature is July (15.8°C).
The coldest month (with the lowest average low temperature) is February (-7.6°C).

Average pressure in January - Billings, MT
  • Average pressure in January: 1020.5mbar

The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is June (1011.3mbar).

Average wind speed in January - Billings, MT
  • Average wind speed in January: 15.9km/h

The windiest month (with the highest average wind speed) is January (15.9km/h).
The calmest month (with the lowest average wind speed) is July (11.5km/h).

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: 21mm

The wettest month (with the highest rainfall) is May (54mm).
The driest month (with the least rainfall) is July (18mm).

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: 136mm

The month with the highest snowfall is February (165mm).
Months with the least snowfall are June, July and August (0mm).

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).
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: 9.2h

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in January: 5.5h

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 5.2h).

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: 2

The month with the highest UV index is July (UV index 7).
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: 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: 9km

Months with the highest visibility are May, June, July, August, September and October (10km).
Months with the lowest visibility are January, February, March, April, November and December (9km).