January weather forecast
Lake McDonald, MT

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Weather in January

January, like December, is another subzero cold winter month in Lake McDonald, Montana, with an average temperature fluctuating between 14.4°F (-9.8°C) and 27.1°F (-2.7°C).

Temperature

January observes an average high-temperature of a still freezing cold 27.1°F (-2.7°C), marking an insignificant difference from December's 25.7°F (-3.5°C). Lake McDonald records a consistent low-temperature of 14.4°F (-9.8°C) during January nights.

Humidity

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

Rainfall

In January, the rain falls for 8.3 days. Throughout January, 1.02" (26mm) of precipitation is accumulated. In Lake McDonald, during the entire year, the rain falls for 126.4 days and collects up to 11.22" (285mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. The month with the most snowfall is January, when snow falls for 18.9 days and typically aggregates up to 7.72" (196mm) of snow.

Daylight

In Lake McDonald, the average length of the day in January is 8h and 50min.
On the first day of the month, sunrise is at 8:27 am and sunset at 4:50 pm. On the last day of January, sunrise is at 8:06 am and sunset at 5:31 pm MST.

Sunshine

The month with the least sunshine is January, with an average of 3.5h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January?

Lake McDonald in January has an average high-temperature of 27.1°F (-2.7°C) and an average low-temperature of 14.4°F (-9.8°C).

What is the most humid month?

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

What is the average humidity in January?

In January, the average relative humidity is 93%.

How much does it rain in January?

In January, the rain falls for 8.3 days. Throughout January, 1.02" (26mm) of precipitation is accumulated.

When does it snow the most in Lake McDonald?

January is the month with the most snowfall. Snow falls for 18.9 days and accumulates 7.72" (196mm) of snow.

How much does it snow in January?

In January, in Lake McDonald, it is snowing for 18.9 days. Throughout January, 7.72" (196mm) of snow is accumulated.

How many hours of daylight does Lake McDonald have in January?

In January, the average day length is 8h and 50min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 8:27 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:31 pm MST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.5h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 3.5h.

When is the lowest UV index in Lake McDonald?

January, February, November 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 January, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
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
Lake McDonald, MT

Average temperature in January - Lake McDonald, MT
  • Average high temperature in January: 27.1°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in January: 14.4°F

The month with the highest average low temperature is August (45.5°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).

Average pressure in January
Lake McDonald, MT

Average pressure in January - Lake McDonald, 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).

Average wind speed in January
Lake McDonald, MT

Average wind speed in January - Lake McDonald, MT
  • Average wind speed in January: 3.9mph

The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are August and December (3.7mph).

Average humidity in January
Lake McDonald, MT

Average humidity in January - Lake McDonald, 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%).

Average rainfall in January
Lake McDonald, MT

Average rainfall in January - Lake McDonald, MT
  • Average rainfall in January: 1.02"

The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is August (0.43").

Average rainfall days in January
Lake McDonald, MT

Average rainfall days in January - Lake McDonald, MT
  • Average rainfall days in January: 8.3 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in January
Lake McDonald, MT

Average snowfall in January - Lake McDonald, MT
  • Average snowfall in January: 7.72"

The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Lake McDonald, MT

Average snowfall days in January - Lake McDonald, MT
  • Average snowfall days in January: 18.9 days

The month with the highest number of snowfall days is December (19.1 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in January /
Average sunshine in January
Lake McDonald, MT

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

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in January: 3h and 3min

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 30min).

Average sunshine days in January
Lake McDonald, MT

Average sunshine days in January - Lake McDonald, MT
  • Average sunshine days in January: 11.3 days

The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is March (7.7 days).

Average UV index in January
Lake McDonald, MT

Average UV index in January - Lake McDonald, MT
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in January
Lake McDonald, MT

Average cloud cover in January - Lake McDonald, MT
  • Average cloud cover in January: 65

The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in January
Lake McDonald, MT

Average visibility in January - Lake McDonald, 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).

Lake McDonald, Montana, USA

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