January weather forecast
Yaak, MT

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Weather in January

January, like December, is another subzero cold winter month in Yaak, Montana, with an average temperature fluctuating between 27.3°F (-2.6°C) and 14.2°F (-9.9°C).

Temperature

Upon the onset of January, Yaak witnesses an average high-temperature of a still subzero cold 27.3°F (-2.6°C), showing a close resemblance to the prior month. Yaak usually reports an average low-temperature of 14.2°F (-9.9°C) during the month of January.

Humidity

January is the most humid month, with an average relative humidity of 95%.

Rainfall

In Yaak, in January, it is raining for 8.3 days, with typically 1.46" (37mm) of accumulated precipitation. In Yaak, during the entire year, the rain falls for 136.3 days and collects up to 15.35" (390mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Yaak, in January, snow falls for 21.2 days, with typically accumulated 9.37" (238mm) of snow. In Yaak, during the entire year, snow falls for 110.7 days and aggregates up to 46.81" (1189mm) of snow.

Daylight

In Yaak, the average length of the day in January is 8h and 49min.
On the first day of January, sunrise is at 8:36 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 5:38 pm MST.

Sunshine

With an average of 3.1h of sunshine, January has the least sunshine of the year.

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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 1 in January suggests the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

How cold is January?

The high-temperature, in January, in Yaak, is 27.3°F (-2.6°C), while the low-temperature averages to 14.2°F (-9.9°C).

What is the most humid month in Yaak?

The most humid month is January, with an average relative humidity of 95%.

What is the average humidity in January in Yaak?

In January, the average relative humidity is 95%.

How much does it rain in January?

In January, the rain falls for 8.3 days. Throughout January, 1.46" (37mm) of precipitation is accumulated.

How many days does it snow in January?

In January, it is snowing for 21.2 days. Throughout January, 9.37" (238mm) of snow is accumulated.

How many hours of daylight does Yaak have in January?

In January, the average day length is 8h and 49min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 8:36 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 5:38 pm MST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.1h of sunshine.

How many hours of sunshine does Yaak have in January?

The average sunshine duration in January is 3.1h.

When is the lowest UV index?

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

What is the UV index intensity in January?

The average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes 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
Yaak, MT

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

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (25.5°F).

  • Average low temperature in January: 14.2°F

The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

Average pressure in January
Yaak, MT

Average pressure in January - Yaak, MT
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Yaak, MT

Average wind speed in January - Yaak, MT
  • Average wind speed in January: 3.5mph

The windiest month (with the highest average wind speed) is June (4.4mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

Average humidity in January
Yaak, MT

Average humidity in January - Yaak, MT
  • Average humidity in January: 95%

The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (55%).

Average rainfall in January
Yaak, MT

Average rainfall in January - Yaak, MT
  • Average rainfall in January: 1.46"

The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is August (0.39").

Average rainfall days in January
Yaak, MT

Average rainfall days in January - Yaak, MT
  • Average rainfall days in January: 8.3 days

The month with the highest number of rainy days is April (17 days).
The month with the least rainy days is August (6.1 days).

Average snowfall in January
Yaak, MT

Average snowfall in January - Yaak, MT
  • Average snowfall in January: 9.37"

The month with the highest snowfall is February (10").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Yaak, MT

Average snowfall days in January - Yaak, MT
  • Average snowfall days in January: 21.2 days

The month with the highest number of snowfall days is December (22.1 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in January / Average sunshine in January - Yaak, 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 18min).

  • Average sunshine in January: 3h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in January
Yaak, MT

Average sunshine days in January - Yaak, MT
  • Average sunshine days in January: 9 days

The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (6.3 days).

Average UV index in January
Yaak, MT

Average UV index in January - Yaak, 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
Yaak, MT

Average cloud cover in January - Yaak, MT
  • Average cloud cover in January: 70

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in January
Yaak, MT

Average visibility in January - Yaak, MT
  • Average visibility in January: 2mi

The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).

Yaak, Montana, USA

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