January weather forecast
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

Weather in January

January is a cold winter month in Billings, Montana, with temperature in the range of an average low of 19.2°F (-7.1°C) and an average high of 32.2°F (0.1°C).

Temperature

In Billings, the average high-temperature in January 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

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

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

Months with snowfall in Billings are January through May, September through December. In Billings, in January, snow falls for 12.7 days, with typically accumulated 5.35" (136mm) 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

The average length of the day in January in Billings, Montana, is 9h and 10min.
On the first day of January in Billings, sunrise is at 7:55 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:18 pm MST.

Sunshine

In January, the average sunshine 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. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the most humid month in Billings?

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

What is the average humidity in January in Billings?

In January, the average relative humidity is 76%.

How much does it rain in Billings in January?

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

How much does it snow in Billings in January?

In January, in Billings, Montana, 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 in Billings?

In January, the average day length in Billings, Montana, is 9h and 10min.

What time are sunrise and sunset in January in Billings?

In January, on the first day of the month, sunrise is at 7:55 am and sunset at 4:40 pm. On the last day of the month, in Billings, Montana, sunrise is at 7:36 am and sunset at 5:18 pm MST.

How long on average sun shines in January in Billings?

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

When is the lowest UV index in Billings?

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

What is the UV index reading in January in Billings?

In January, the average daily maximum UV index in Billings, Montana, 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 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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 10min

The month with the longest days is June (Average daylight: 15h and 40min).
The month with the shortest days is December (Average daylight: 8h and 44min).

  • Average sunshine in January: 5h and 30min

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).

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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).

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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).

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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).

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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).

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