January weather forecast
White Sulphur Springs, MT

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Weather in January

January in White Sulphur Springs, Montana brings the cooler winter weather typical of this time of year, including the immense beauty of snowfall. The atmospheric conditions carry an average high temperature of 27.1°F (-2.7°C), while experiencing an average low of 12.6°F (-10.8°C). It is not unusual to see the landscape blanketed in an additional 4.8" (122mm) of snow during January. This winter month is also the harbinger of longer nights, a dormant outdoor life, and the charm of a winter wonderland in Montana. Visibility can be reduced owing to the prevailing foggy conditions or snowstorms, so prepare for a typical mountainous winter.

Temperature

The beginning of January records an average high-temperature of a still freezing cold 27.1°F (-2.7°C), almost echoing the conditions of the previous month. January witnesses an average nighttime temperature of 12.6°F (-10.8°C).

Humidity

With an average relative humidity of 88%, January is the most humid month.

Rainfall

January is the month with the least rainfall in White Sulphur Springs. Rain falls for 4.4 days and accumulates 0.59" (15mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In White Sulphur Springs, in January, snow falls for 13.1 days, with typically accumulated 4.8" (122mm) of snow. In White Sulphur Springs, during the entire year, snow falls for 97.8 days and aggregates up to 52.68" (1338mm) of snow.

Daylight

The average length of the day in January is 9h and 5min.
On the first day of January, sunrise is at 8:07 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:25 pm MST.

Sunshine

January has the least sunshine of the year, with an average of 5.6h of sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: In January, a daily UV index of 1 turns into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January?

January temperatures vary between a high-temperature of 27.1°F (-2.7°C) and a low-temperature of 12.6°F (-10.8°C).

What is the most humid month?

The most humid month is January, with an average relative humidity of 88%.

What is the average humidity in January in White Sulphur Springs?

In January, the average relative humidity is 88%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 4.4 days and typically collects 0.59" (15mm) of precipitation.

How much does it rain in January?

In White Sulphur Springs, in January, it is raining for 4.4 days, with typically 0.59" (15mm) of accumulated precipitation.

How many days does it snow in January?

In White Sulphur Springs, in January, snow falls for 13.1 days, with typically accumulated 4.8" (122mm) of snow.

What is the average length of the day in January?

In White Sulphur Springs, the average day length in January is 9h and 5min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 8:07 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:25 pm MST.

What is the month with the least sunshine?

January has the least sunshine of the year in White Sulphur Springs, with an average of 5.6h of sunshine.

How many hours of sunshine does White Sulphur Springs have in January?

In White Sulphur Springs, the average sunshine duration in January is 5.6h.

When is the lowest UV index?

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

How high is the UV index in January?

The average daily maximum UV index in January is 1. 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
White Sulphur Springs, MT

Average temperature in January - White Sulphur Springs, MT
  • Average high temperature in January: 27.1°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is December (25.3°F).

  • Average low temperature in January: 12.6°F

The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is December (10.9°F).

Average pressure in January
White Sulphur Springs, MT

Average pressure in January - White Sulphur Springs, MT
  • Average pressure in January: 30.18"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in January
White Sulphur Springs, MT

Average wind speed in January - White Sulphur Springs, MT
  • Average wind speed in January: 5.7mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in January
White Sulphur Springs, MT

Average humidity in January - White Sulphur Springs, MT
  • Average humidity in January: 88%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (48%).

Average rainfall in January
White Sulphur Springs, MT

Average rainfall in January - White Sulphur Springs, MT
  • Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in January
White Sulphur Springs, MT

Average rainfall days in January - White Sulphur Springs, MT
  • Average rainfall days in January: 4.4 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is November (3.8 days).

Average snowfall in January
White Sulphur Springs, MT

Average snowfall in January - White Sulphur Springs, MT
  • Average snowfall in January: 4.8"

The month with the highest snowfall is February (9.61").
The months with the least snowfall are July and August (0").

Average snowfall days in January
White Sulphur Springs, MT

Average snowfall days in January - White Sulphur Springs, MT
  • Average snowfall days in January: 13.1 days

The month with the highest number of snowfall days is February (16.5 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in January /
Average sunshine in January
White Sulphur Springs, MT

Average daylight in January / Average sunshine in January - White Sulphur Springs, MT
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in January: 5h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

Average sunshine days in January
White Sulphur Springs, MT

Average sunshine days in January - White Sulphur Springs, MT
  • Average sunshine days in January: 17.6 days

The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is April (10.6 days).

Average UV index in January
White Sulphur Springs, MT

Average UV index in January - White Sulphur Springs, MT
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in January
White Sulphur Springs, MT

Average cloud cover in January - White Sulphur Springs, MT
  • Average cloud cover in January: 45

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in January
White Sulphur Springs, MT

Average visibility in January - White Sulphur Springs, MT
  • Average visibility in January: 4mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

White Sulphur Springs, Montana, USA

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