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 introduction of January notes a subtle temperature variation to a still freezing cold 27.1°F (-2.7°C) from December's 25.3°F (-3.7°C). In White Sulphur Springs, January nights cool down to an average of 12.6°F (-10.8°C).

Humidity

January is the most humid month in White Sulphur Springs, with an average relative humidity of 88%.

Rainfall

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

Snowfall

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

Daylight

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

Sunshine

The month with the least sunshine in White Sulphur Springs is January, 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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In January, the maximum UV index of 1 translates into these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

How cold is it in White Sulphur Springs in January?

In White Sulphur Springs, 27.1°F (-2.7°C) is the average high-temperature and 12.6°F (-10.8°C) is the average low-temperature during January.

What is the most humid month in White Sulphur Springs?

January is the most humid month in White Sulphur Springs, Montana, 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 in White Sulphur Springs?

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

How much does it rain in White Sulphur Springs in January?

In January, in White Sulphur Springs, the rain falls for 4.4 days. Throughout January, 0.59" (15mm) of precipitation is accumulated.

How much does it snow in White Sulphur Springs in January?

In White Sulphur Springs, Montana, in January, during 13.1 snowfall days, 4.8" (122mm) of snow is typically accumulated.

What is the average length of the day in January in White Sulphur Springs?

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

What time are sunrise and sunset in January in White Sulphur Springs?

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 in White Sulphur Springs?

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?

The average sunshine duration in January in White Sulphur Springs, Montana, is 5.6h.

What are the months with the lowest UV index in White Sulphur Springs?

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

How high is the UV index in January in White Sulphur Springs?

The average daily maximum UV index in January in White Sulphur Springs, Montana, is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
25.3°F -3.7°C
27.1°F -2.7°C
27.5°F -2.5°C
Average low temperature
10.9°F -11.7°C
12.6°F -10.8°C
12.6°F -10.8°C
Average pressure
30.17" 766mmHg
30.18" 767mmHg
30.12" 765mmHg
Average wind speed
5.6mph 9km/h
5.7mph 9.2km/h
5.5mph 8.9km/h
Average max. wind speed
6.2mph 10km/h
6.2mph 10km/h
6mph 9.7km/h
Average wind speed gusts
9.8mph 15.8km/h
10mph 16.1km/h
9.2mph 14.8km/h
Average humidity
87%
88%
87%
Average rainfall
0.67" 17mm
0.59" 15mm
1.14" 29mm
Average rainfall days
5
4.4
5.8
Average snowfall
5.47" 139mm
4.8" 122mm
9.61" 244mm
Average snowfall days
12.8
13.1
16.5
Average daylight
8h 4min
9h 1min
10h 2min
Average sunshine
5h 4min
5h 4min
5h 5min
Average sunshine days
17.6
17.6
12.3
Average UV index
1
1
1
Average cloud cover
43%
45%
49%
Average visibility
4mi 6.4km
4mi 6.4km
4mi 6.4km

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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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White Sulphur Springs, Montana, USA

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