January weather forecast and climate
Carter, MT

Weather in January

January, the same as December, in Carter, Montana, is another subzero cold winter month, with average temperature varying between 30.9°F (-0.6°C) and 18.7°F (-7.4°C).

Temperature

In Carter, the average high-temperature in January is practically the same as in December - a still freezing cold 30.9°F (-0.6°C). In Carter, the average low-temperature is 18.7°F (-7.4°C).

Humidity

With an average relative humidity of 78%, January is the most humid month in Carter, Montana.

Rainfall

In Carter, Montana, during January, the rain falls for 5.3 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Carter, Montana, during the entire year, the rain falls for 119.1 days and collects up to 13.43" (341mm) of precipitation.

Snowfall

Months with snowfall in Carter, Montana, are January through May, September through December. In Carter, during January, snow falls for 11.1 days and regularly aggregates up to 5.28" (134mm) of snow. In Carter, Montana, during the entire year, snow falls for 58.3 days, and aggregates up to 29.37" (746mm) of snow.

Daylight

The average length of the day in January is 8.9h.

Sunshine

January, February and December, with an average of 5.5h of sunshine, are months with the least sunshine in Carter.

UV index

Months with the lowest UV index in Carter are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the most humid month in Carter?

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

What is the average humidity in January in Carter?

In Carter, Montana, the average relative humidity in January is 78%.

How many days does it rain in January in Carter?

In Carter, Montana, in January, it is raining for 5.3 days, with typically 0.79" (20mm) of accumulated precipitation.

How many days does it snow in January in Carter?

In Carter, Montana, in January, during 11.1 snowfall days, 5.28" (134mm) of snow is typically accumulated.

How many hours of daylight does Carter have in January?

In Carter, Montana, the average length of the day in January is 8.9h.

What is the month with the least sunshine in Carter?

Months with the least sunshine are January, February and December, with an average of 5.5h of sunshine.

How many hours of sunshine does Carter have in January?

The average sunshine in January in Carter is 5.5h.

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

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

What is the UV index reading in January in Carter?

The average daily maximum UV index in January in Carter, Montana, is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the UV radiation.

Average temperature in January
Carter, MT

Average temperature in January - Carter, MT
  • Average high temperature in January: 30.9°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (29.8°F).

  • Average low temperature in January: 18.7°F

The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.1°F).

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Average pressure in January
Carter, MT

Average pressure in January - Carter, MT
  • Average pressure in January: 30.13"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in January
Carter, MT

Average wind speed in January - Carter, MT
  • Average wind speed in January: 10.7mph

The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

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Average humidity in January
Carter, MT

Average humidity in January - Carter, 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 (39%).

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Average rainfall in January
Carter, MT

Average rainfall in January - Carter, MT
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.67").

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Average rainfall days in January
Carter, MT

Average rainfall days in January - Carter, MT
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in January
Carter, MT

Average snowfall in January - Carter, MT
  • Average snowfall in January: 5.28"

The month with the highest snowfall is February (5.51").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in January
Carter, MT

Average snowfall days in January - Carter, MT
  • Average snowfall days in January: 11.1 days

The month with the highest number of snowfall days is February (12.2 days).
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
Carter, MT

Average daylight in January / Average sunshine in January - Carter, MT
  • Average daylight in January: 8.9h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in January: 5.5h

The month with the most sunshine is July (Average sunshine: 12h).
Months with the least sunshine are January, February and December (Average sunshine: 5.5).

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Average sunshine days in January
Carter, MT

Average sunshine days in January - Carter, MT
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (11.2 days).

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Average UV index in January
Carter, MT

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

Months with the highest UV index are June and July (UV index 6).
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
Carter, MT

Average cloud cover in January - Carter, MT
  • Average cloud cover in January: 42

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).

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Average visibility in January
Carter, MT

Average visibility in January - Carter, MT
  • Average visibility in January: 6mi

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

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