January weather forecast
Judith Gap, MT

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Weather in January

January, the same as December, in Judith Gap, Montana, is another subzero cold winter month, with temperature in the range of an average high of 31.1°F (-0.5°C) and an average low of 18°F (-7.8°C).

Temperature

In the transition from December to January, Judith Gap reports an average high-temperature of a still subzero cold 31.1°F (-0.5°C), indicating a close resemblance to the prior month. During January, the temperature is averaged to a low of 18°F (-7.8°C) at night.

Humidity

January is the most humid month, with an average relative humidity of 78%.

Rainfall

In January, the rain falls for 7.2 days. Throughout January, 0.51" (13mm) of precipitation is accumulated. Throughout the year, in Judith Gap, there are 128.6 rainfall days, and 12.8" (325mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Judith Gap, Montana, are January through May, September through December. In Judith Gap, Montana, during January, snow falls for 11.9 days and regularly aggregates up to 3.98" (101mm) of snow. Throughout the year, in Judith Gap, there are 72.8 snowfall days, and 33.5" (851mm) of snow is accumulated.

Daylight

The average length of the day in January in Judith Gap is 9h and 4min.
On the first day of January in Judith Gap, sunrise is at 8:03 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:20 pm MST.

Sunshine

The average sunshine in January is 6.5h.

UV index

The months with the lowest UV index in Judith Gap are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

How cold is January in Judith Gap?

The high-temperature in Judith Gap, Montana, during January is 31.1°F (-0.5°C) and the low-temperature is 18°F (-7.8°C).

What is the most humid month in Judith Gap?

January is the most humid month in Judith Gap, Montana, with an average relative humidity of 78%.

What is the average humidity in January in Judith Gap?

In January, the average relative humidity in Judith Gap is 78%.

How much does it rain in Judith Gap in January?

In Judith Gap, in January, it is raining for 7.2 days, with typically 0.51" (13mm) of accumulated precipitation.

How much does it snow in Judith Gap in January?

In Judith Gap, in January, during 11.9 snowfall days, 3.98" (101mm) of snow is typically accumulated.

What is the average length of the day in January in Judith Gap?

In January, the average day length in Judith Gap, Montana, is 9h and 4min.

When are sunrise and sunset in January in Judith Gap?

In January, on the first day of the month, sunrise is at 8:03 am and sunset at 4:41 pm. On the last day of the month, in Judith Gap, Montana, sunrise is at 7:44 am and sunset at 5:20 pm MST.

How long on average sun shines in January in Judith Gap?

In January, the average sunshine duration in Judith Gap, Montana, is 6.5h.

What is the month with the lowest UV index in Judith Gap?

The months with the lowest UV index in Judith Gap are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in January in Judith Gap?

In January, the average daily maximum UV index in Judith Gap, Montana, is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Judith Gap, MT

Average temperature in January - Judith Gap, MT
  • Average high temperature in January: 31.1°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (29.3°F).

  • Average low temperature in January: 18°F

The months with the highest average low temperature are July and August (54.3°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).

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Average pressure in January
Judith Gap, MT

Average pressure in January - Judith Gap, MT
  • Average pressure in January: 30.14"Hg

The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in January
Judith Gap, MT

Average wind speed in January - Judith Gap, MT
  • Average wind speed in January: 10.9mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in January
Judith Gap, MT

Average humidity in January - Judith Gap, MT
  • Average humidity in January: 78%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (45%).

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Average rainfall in January
Judith Gap, MT

Average rainfall in January - Judith Gap, MT
  • Average rainfall in January: 0.51"

The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is December (0.47").

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Average rainfall days in January
Judith Gap, MT

Average rainfall days in January - Judith Gap, MT
  • Average rainfall days in January: 7.2 days

The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and December (7.2 days).

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Average snowfall in January
Judith Gap, MT

Average snowfall in January - Judith Gap, MT
  • Average snowfall in January: 3.98"

The month with the highest snowfall is April (6.61").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in January
Judith Gap, MT

Average snowfall days in January - Judith Gap, MT
  • Average snowfall days in January: 11.9 days

The month with the highest number of snowfall days is February (14.2 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
Judith Gap, MT

Average daylight in January / Average sunshine in January - Judith Gap, 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: 6h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).

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Average sunshine days in January
Judith Gap, MT

Average sunshine days in January - Judith Gap, MT
  • Average sunshine days in January: 17.3 days

The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is April (9 days).

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Average UV index in January
Judith Gap, MT

Average UV index in January - Judith Gap, MT
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in January
Judith Gap, MT

Average cloud cover in January - Judith Gap, MT
  • Average cloud cover in January: 33

The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in January
Judith Gap, MT

Average visibility in January - Judith Gap, MT
  • Average visibility in January: 6mi

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

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Judith Gap, Montana, USA

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