January weather forecast
Colstrip, MT

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Weather in January

The New Year in Colstrip, Montana, USA, starts with a chilled whistle. January's weather is marked by an icy grip, with snowfall reaching its fourth-highest level, 3.39" (86mm), alongside an average of 9.8 days under a snow-laden sky. As the month transitions from December, both high and low temperatures display a subtle escalation. Outdoor activities can be challenging due to snow, low temperatures, and wind gusts. Despite the frozen landscape, the sun does make an appearance, illuminating the town with a moderate amount of sunshine.

Temperature

In January, Colstrip notes an average high-temperature of a still freezing cold 30.6°F (-0.8°C), hardly different from the preceding month. During January, Colstrip sees a mean low-temperature of 16°F (-8.9°C).

Humidity

January is the most humid month, with an average relative humidity of 80%.

Rainfall

In Colstrip, during January, the rain falls for 3.3 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Colstrip, during the entire year, the rain falls for 113.9 days and collects up to 14.84" (377mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Colstrip. In Colstrip, in January, snow falls for 9.8 days, with typically accumulated 3.39" (86mm) of snow. Throughout the year, there are 55.2 snowfall days, and 23.5" (597mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 9min.
On the first day of January, sunrise is at 7:47 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:10 pm MST.

Sunshine

In Colstrip, the average sunshine in January is 5.3h.

UV index

The months with the lowest UV index in Colstrip are January through April, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 2 during January translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in January?

In Colstrip, 30.6°F (-0.8°C) is the average high-temperature and 16°F (-8.9°C) is the average low-temperature during January.

What is the most humid month?

January is the most humid month, with an average relative humidity of 80%.

What is the average humidity in January?

The average relative humidity in January is 80%.

How much does it rain in January?

In Colstrip, in January, it is raining for 3.3 days, with typically 0.55" (14mm) of accumulated precipitation.

How many days does it snow in January?

In Colstrip, in January, snow falls for 9.8 days, with typically accumulated 3.39" (86mm) of snow.

How many hours of daylight does Colstrip have in January?

In January, the average day length is 9h and 9min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:47 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:10 pm MST.

How many hours of sunshine does Colstrip have in January?

The average sunshine duration in January is 5.3h.

What is the month with the lowest UV index?

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

How high is the UV index in January?

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Colstrip, MT

Average temperature in January - Colstrip, MT
  • Average high temperature in January: 30.6°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (30.4°F).

  • Average low temperature in January: 16°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).

Average pressure in January
Colstrip, MT

Average pressure in January - Colstrip, MT
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in January
Colstrip, MT

Average wind speed in January - Colstrip, MT
  • Average wind speed in January: 8.8mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

Average humidity in January
Colstrip, MT

Average humidity in January - Colstrip, MT
  • Average humidity in January: 80%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (42%).

Average rainfall in January
Colstrip, MT

Average rainfall in January - Colstrip, MT
  • Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is December (0.47").

Average rainfall days in January
Colstrip, MT

Average rainfall days in January - Colstrip, MT
  • Average rainfall days in January: 3.3 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in January
Colstrip, MT

Average snowfall in January - Colstrip, MT
  • Average snowfall in January: 3.39"

The month with the highest snowfall is February (4.33").
The months with the least snowfall are July and August (0").

Average snowfall days in January
Colstrip, MT

Average snowfall days in January - Colstrip, MT
  • Average snowfall days in January: 9.8 days

The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in January /
Average sunshine in January
Colstrip, MT

Average daylight in January / Average sunshine in January - Colstrip, 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 2min

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 0min).

Average sunshine days in January
Colstrip, MT

Average sunshine days in January - Colstrip, MT
  • Average sunshine days in January: 19.8 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in January
Colstrip, MT

Average UV index in January - Colstrip, 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, April, November and December (UV index 2).

Average cloud cover in January
Colstrip, MT

Average cloud cover in January - Colstrip, MT
  • Average cloud cover in January: 44

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in January
Colstrip, MT

Average visibility in January - Colstrip, 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).

Colstrip, Montana, USA

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