January weather forecast
La Salle, MT

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Weather in January

January, like December, is another subzero cold winter month in La Salle, Montana, with temperature in the range of an average low of 14.7°F (-9.6°C) and an average high of 27.3°F (-2.6°C).

Temperature

La Salle experiences a recorded average high-temperature of a still freezing cold 27.3°F (-2.6°C) in January, closely aligned with December's 25.9°F (-3.4°C). Throughout the month of January, La Salle reports a steady low-temperature average of 14.7°F (-9.6°C).

Humidity

January is the most humid month in La Salle, Montana, with an average relative humidity of 93%.

Rainfall

In La Salle, in January, during 9.4 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 142.8 rainfall days, and 17.36" (441mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. The month with the most snowfall in La Salle, Montana, is January, when snow falls for 20.6 days and typically aggregates up to 11.3" (287mm) of snow.

Daylight

In La Salle, Montana, the average length of the day in January is 8h and 52min.
On the first day of January in La Salle, sunrise is at 8:27 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:33 pm MST.

Sunshine

With an average of 3.7h of sunshine, January has the least sunshine of the year.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in La Salle. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 1 during January leads to these instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

How cold is January in La Salle?

In La Salle, in January, the average high-temperature is 27.3°F (-2.6°C), and the average low-temperature is 14.7°F (-9.6°C).

What is the most humid month in La Salle?

The most humid month in La Salle, Montana, is January, with an average relative humidity of 93%.

What is the average humidity in January in La Salle?

In La Salle, the average relative humidity in January is 93%.

How many days does it rain in January in La Salle?

In January, in La Salle, the rain falls for 9.4 days. Throughout January, 1.65" (42mm) of precipitation is accumulated.

When does it snow the most in La Salle?

The month with the most snowfall is January, when snow falls for 20.6 days and typically aggregates up to 11.3" (287mm) of snow.

How much does it snow in La Salle in January?

In La Salle, Montana, in January, during 20.6 snowfall days, 11.3" (287mm) of snow is typically accumulated.

How many hours of daylight does La Salle have in January?

In January, the average day length in La Salle, Montana, is 8h and 52min.

When is the sunrise / sunset in January in La Salle?

On the first day of January, sunrise is at 8:27 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:33 pm MST.

What is the month with the least sunshine in La Salle?

The month with the least sunshine is January, with an average of 3.7h of sunshine.

How many hours of sunshine does La Salle have in January?

In La Salle, the average sunshine duration in January is 3.7h.

What is the month with the lowest UV index in La Salle?

The months with the lowest UV index in La Salle, Montana, are January, February, November and December, with an average maximum UV index of 1.

What is the UV index reading in January in La Salle?

In January, the average daily maximum UV index in La Salle, Montana, is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
25.9°F -3.4°C
27.3°F -2.6°C
28°F -2.2°C
Average low temperature
14.7°F -9.6°C
14.7°F -9.6°C
14.4°F -9.8°C
Average pressure
30.15" 766mmHg
30.16" 766mmHg
30.12" 765mmHg
Average wind speed
3.8mph 6.1km/h
3.9mph 6.3km/h
4.1mph 6.6km/h
Average max. wind speed
4.2mph 6.8km/h
4.3mph 6.9km/h
4.7mph 7.6km/h
Average wind speed gusts
6.5mph 10.5km/h
6.8mph 10.9km/h
6.6mph 10.6km/h
Average humidity
90%
93%
91%
Average rainfall
1.65" 42mm
1.65" 42mm
1.61" 41mm
Average rainfall days
10.5
9.4
9.3
Average snowfall
10.79" 274mm
11.3" 287mm
10.55" 268mm
Average snowfall days
21.5
20.6
19.9
Average daylight
8h 2min
8h 5min
10h 1min
Average sunshine
4h 1min
3h 4min
4h 5min
Average sunshine days
9.5
9.8
6.8
Average UV index
1
1
1
Average cloud cover
60%
63%
59%
Average visibility
4mi 6.4km
3mi 4.8km
4mi 6.4km

Average temperature in January
La Salle, MT

Average temperature in January - La Salle, MT
  • Average high temperature in January: 27.3°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (25.9°F).

  • Average low temperature in January: 14.7°F

The month with the highest average low temperature is August (46.4°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).

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Average pressure in January
La Salle, MT

Average pressure in January - La Salle, MT
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
La Salle, MT

Average wind speed in January - La Salle, MT
  • Average wind speed in January: 3.9mph

The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in January
La Salle, MT

Average humidity in January - La Salle, MT
  • Average humidity in January: 93%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).

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Average rainfall in January
La Salle, MT

Average rainfall in January - La Salle, MT
  • Average rainfall in January: 1.65"

The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is August (0.55").

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Average rainfall days in January
La Salle, MT

Average rainfall days in January - La Salle, MT
  • Average rainfall days in January: 9.4 days

The month with the highest number of rainy days is April (17.9 days).
The month with the least rainy days is August (6.6 days).

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Average snowfall in January
La Salle, MT

Average snowfall in January - La Salle, MT
  • Average snowfall in January: 11.3"

The month with the highest snowfall is January (11.3").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in January
La Salle, MT

Average snowfall days in January - La Salle, MT
  • Average snowfall days in January: 20.6 days

The month with the highest number of snowfall days is December (21.5 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
La Salle, MT

Average daylight in January / Average sunshine in January - La Salle, MT
  • Average daylight in January: 8h and 5min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in January
La Salle, MT

Average sunshine days in January - La Salle, MT
  • Average sunshine days in January: 9.8 days

The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (6.8 days).

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Average UV index in January
La Salle, MT

Average UV index in January - La Salle, 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, November and December (UV index 1).

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Average cloud cover in January
La Salle, MT

Average cloud cover in January - La Salle, MT
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 15).

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Average visibility in January
La Salle, MT

Average visibility in January - La Salle, MT
  • Average visibility in January: 3mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

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La Salle, Montana, USA

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