January weather forecast
Valleytown, MT

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Weather in January

January, like December, is a freezing cold winter month in Valleytown, Montana, with an average temperature ranging between min 10.8°F (-11.8°C) and max 24.6°F (-4.1°C).

Temperature

Valleytown observes an average high-temperature of a still subzero cold 24.6°F (-4.1°C) in January, barely different from 24.8°F (-4°C) in December. An average low-temperature of 10.8°F (-11.8°C) marks the month of January in Valleytown.

Humidity

January is the most humid month, with an average relative humidity of 85%.

Rainfall

In January, the rain falls for 3.9 days. Throughout January, 0.51" (13mm) of precipitation is accumulated. Throughout the year, in Valleytown, Montana, there are 91.8 rainfall days, and 10.63" (270mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Valleytown, in January, snow falls for 12.3 days, with typically accumulated 3.19" (81mm) of snow. In Valleytown, during the entire year, snow falls for 56.9 days and aggregates up to 17.95" (456mm) of snow.

Daylight

The average length of the day in January in Valleytown is 8h and 50min.
On the first day of January, sunrise is at 8:01 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:04 pm MST.

Sunshine

The average sunshine in January is 4.9h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: An average UV index of 2 in January transforms into this advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is it in Valleytown in January?

In Valleytown, in January, the average high-temperature is 24.6°F (-4.1°C), and the average low-temperature is 10.8°F (-11.8°C).

What is the most humid month in Valleytown?

January is the most humid month, with an average relative humidity of 85%.

What is the average humidity in January in Valleytown?

The average relative humidity in January is 85%.

How much does it rain in Valleytown in January?

In Valleytown, Montana, during January, the rain falls for 3.9 days and regularly aggregates up to 0.51" (13mm) of precipitation.

How much does it snow in Valleytown in January?

In Valleytown, during January, snow falls for 12.3 days and regularly aggregates up to 3.19" (81mm) of snow.

What is the average length of the day in January in Valleytown?

The average day length in January is 8h and 50min.

When is the sunrise / sunset in January in Valleytown?

On the first day of January in Valleytown, sunrise is at 8:01 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:04 pm MST.

How many hours of sunshine does Valleytown have in January?

In January, the average sunshine duration in Valleytown is 4.9h.

What is the month with the lowest UV index in Valleytown?

The months with the lowest UV index in Valleytown, Montana, are January through March, October through December, with an average maximum UV index of 2.

What is the UV index reading in January in Valleytown?

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

Average temperature in January - Valleytown, MT
  • Average high temperature in January: 24.6°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is February (24.4°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (10°F).

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Average pressure in January
Valleytown, MT

Average pressure in January - Valleytown, MT
  • Average pressure in January: 30.13"Hg

The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in January
Valleytown, MT

Average wind speed in January - Valleytown, MT
  • Average wind speed in January: 9.2mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is February (8.3mph).

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Average humidity in January
Valleytown, MT

Average humidity in January - Valleytown, MT
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in January
Valleytown, MT

Average rainfall in January - Valleytown, MT
  • Average rainfall in January: 0.51"

The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is February (0.43").

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Average rainfall days in January
Valleytown, MT

Average rainfall days in January - Valleytown, MT
  • Average rainfall days in January: 3.9 days

The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is February (3.3 days).

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Average snowfall in January
Valleytown, MT

Average snowfall in January - Valleytown, MT
  • Average snowfall in January: 3.19"

The month with the highest snowfall is December (3.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Valleytown, MT

Average snowfall days in January - Valleytown, MT
  • Average snowfall days in January: 12.3 days

The month with the highest number of snowfall days is January (12.3 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
Valleytown, MT

Average daylight in January / Average sunshine in January - Valleytown, 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: 4h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in January
Valleytown, MT

Average sunshine days in January - Valleytown, MT
  • Average sunshine days in January: 17.6 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is April (15.4 days).

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Average UV index in January
Valleytown, MT

Average UV index in January - Valleytown, MT
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in January
Valleytown, MT

Average cloud cover in January - Valleytown, MT
  • Average cloud cover in January: 48

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 18).

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Average visibility in January
Valleytown, MT

Average visibility in January - Valleytown, MT
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Valleytown, Montana, USA

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