January weather forecast
Basin, MT

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Weather in January

January, like December, is another subzero cold winter month in Basin, Montana, with an average temperature fluctuating between 14.5°F (-9.7°C) and 29.7°F (-1.3°C).

Temperature

Basin's average high-temperature in January sits at a still freezing cold 29.7°F (-1.3°C), showing little difference from the previous month. In Basin, the nighttime temperature averages to a still freezing cold 14.5°F (-9.7°C) during January.

Humidity

The most humid month is January, with an average relative humidity of 86%.

Rainfall

In Basin, in January, it is raining for 7.9 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 133.7 rainfall days, and 16.38" (416mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Basin. In Basin, in January, snow falls for 16.3 days, with typically accumulated 6.57" (167mm) of snow. Throughout the year, there are 105.8 snowfall days, and 55.12" (1400mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 7min.
On the first day of January in Basin, sunrise is at 8:11 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:31 pm MST.

Sunshine

The months with the least sunshine in Basin are January and December, with an average of 5.6h of sunshine.

UV index

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In January, an average UV index of 2 transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January?

An average high-temperature, in January, in Basin, is 29.7°F (-1.3°C) and the average low-temperature is 14.5°F (-9.7°C).

What is the most humid month?

The most humid month is January, with an average relative humidity of 86%.

What is the average humidity in January?

In January, the average relative humidity is 86%.

How much does it rain in January?

In Basin, in January, during 7.9 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

How much does it snow in January?

In Basin, in January, snow falls for 16.3 days, with typically accumulated 6.57" (167mm) of snow.

How many hours of daylight does Basin have in January?

The average day length in January is 9h and 7min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 8:11 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:31 pm MST.

What is the month with the least sunshine?

January and December, with an average of 5.6h of sunshine, are months with the least sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 5.6h.

What is the UV index intensity in January?

In Basin, Montana, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe 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
Basin, MT

Average temperature in January - Basin, MT
  • Average high temperature in January: 29.7°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (27°F).

  • Average low temperature in January: 14.5°F

The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).

Average pressure in January
Basin, MT

Average pressure in January - Basin, MT
  • Average pressure in January: 30.19"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Basin, MT

Average wind speed in January - Basin, MT
  • Average wind speed in January: 6.5mph

The windiest months (with the highest average wind speed) are January and November (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in January
Basin, MT

Average humidity in January - Basin, MT
  • Average humidity in January: 86%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (46%).

Average rainfall in January
Basin, MT

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

The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is December (0.79").

Average rainfall days in January
Basin, MT

Average rainfall days in January - Basin, MT
  • Average rainfall days in January: 7.9 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in January
Basin, MT

Average snowfall in January - Basin, MT
  • Average snowfall in January: 6.57"

The month with the highest snowfall is February (9.72").
The months with the least snowfall are July and August (0").

Average snowfall days in January
Basin, MT

Average snowfall days in January - Basin, MT
  • Average snowfall days in January: 16.3 days

The month with the highest number of snowfall days is February (18 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in January / Average sunshine in January - Basin, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

Average sunshine days in January
Basin, MT

Average sunshine days in January - Basin, MT
  • Average sunshine days in January: 14.3 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is February (8.5 days).

Average UV index in January
Basin, MT

Average UV index in January - Basin, MT
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in January
Basin, MT

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

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in January
Basin, MT

Average visibility in January - Basin, MT
  • Average visibility in January: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Basin, Montana, USA

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