Billings
Montana, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Billings, MT

The unique view of the forest of trees in the plains, on the sandstone bluffs in Billings, Montana, a beautiful cloudy sky above
The unique view of the forest of trees in the plains, on the sandstone bluffs in Billings, Montana, a beautiful cloudy sky above
January, the same as December, is another cold winter month in Billings, Montana, with average temperature fluctuating between 36.3°F (2.4°C) and 17.8°F (-7.9°C).

Temperature

In January, the average high-temperature is essentially the same as in December - a still wintry 36.3°F (2.4°C). The average low-temperature, in Billings, is 17.8°F (-7.9°C).

Humidity

In January, the average relative humidity is 60.2%.

Rainfall

January and February are months with the least rain when the rain falls for 6.2 days and typically aggregates up to 0.5" (12.2mm) of rain.

Snowfall

Months with snowfall are January through May, September through December.

Daylight

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

Sunshine

In Billings, Montana, the average sunshine in January is 4.2h.

UV index

January 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 minimal health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
In January, the average maximum UV index of 1 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in January in Billings?

The average high-temperature, in January, in Billings, is 36.3°F (2.4°C), while the average low-temperature is 17.8°F (-7.9°C).

What is the average humidity in January in Billings?

In January, the average relative humidity in Billings is 60.2%.

How many days does it rain in January in Billings?

In January, in Billings, Montana, the rain falls for 6.2 days. Throughout January, 0.5" (12.2mm) of precipitation is accumulated.

What is the driest month in Billings?

January and February are months with the least rain in Billings, Montana, when the rain falls for 6.2 days and typically aggregates up to 0.5" (12.2mm) of rain.

How many days does it snow in January in Billings?

In Billings, in January, during 6.1 snowfall days, 8.4" (213.4mm) of snow is typically accumulated.

How many hours of daylight does Billings have in January?

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

How many hours of sunshine does Billings have in January?

The average sunshine in January in Billings, Montana, is 4.2h.

What is the month with the lowest UV index in Billings?

Months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index reading in January in Billings?

The average daily maximum UV index in January in Billings is 1. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV rays.
Average temperature in January - Billings, MT
  • Average high temperature in January: 36.4°F

The warmest month (with the highest average high temperature) is July (86.8°F).
The month with the lowest average high temperature is December (35.2°F).

  • Average low temperature in January: 17.8°F

The month with the highest average low temperature is July (58.8°F).
Coldest months (with the lowest average low temperature) are January and December (17.8°F).

Average humidity in January - Billings, MT
  • Average humidity in January: 60.2%

The month with the highest relative humidity is December (60.9%).
The month with the lowest relative humidity is August (44.5%).

Average rainfall in January - Billings, MT
  • Average rainfall in January: 0.5"

The wettest month (with the highest rainfall) is May (2.2").
Driest months (with the lowest rainfall) are January, February and December (0.5").

Average rainfall days in January - Billings, MT
  • Average rainfall days in January: 6.2 days

The month with the highest number of rainy days is May (12 days).
The month with the lowest number of rainy days is August (6 days).

Average snowfall in January - Billings, MT
  • Average snowfall in January: 8.4"

The month with the highest snowfall is March (10.2").
Months with the lowest snowfall are June, July and August (0").

Average snowfall days in January - Billings, MT
  • Average snowfall days in January: 6.1 days

Months with the highest number of snowfall days are March and December (6.9 days).
Months with the lowest number of 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 shortest days is December (Average daylight: 8.7h).

  • Average sunshine in January: 4.2h

The month with most sunshine is July (Average sunshine: 11.5h).
The month with least sunshine is December (Average sunshine: 3.8h).

Average UV index in January - Billings, MT
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).