January weather forecast
Charlo, MT

Weather in January

January, like December, is another subzero cold winter month in Charlo, Montana, with average temperature ranging between min 18°F (-7.8°C) and max 29.8°F (-1.2°C).

Temperature

In January, the average high-temperature is relatively the same as in December - a still freezing cold 29.8°F (-1.2°C). In January, in Charlo, Montana, the average low-temperature is 18°F (-7.8°C).

Humidity

January is the most humid month in Charlo, with an average relative humidity of 91%.

Rainfall

In Charlo, during 9.1 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, in Charlo, there are 129.9 rainfall days, and 13.5" (343mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Charlo, during 13.9 snowfall days, 5.91" (150mm) of snow is typically accumulated. Throughout the year, there are 67.1 snowfall days, and 28.27" (718mm) of snow is accumulated.

Daylight

In January, the average length of the day in Charlo is 9h.

Sunshine

The month with the least sunshine is January, with an average of 4.7h of sunshine.

UV index

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the most humid month in Charlo?

The most humid month in Charlo, Montana, is January, with an average relative humidity of 91%.

What is the average humidity in January in Charlo?

In January, the average relative humidity in Charlo is 91%.

How much does it rain in Charlo in January?

In Charlo, during January, the rain falls for 9.1 days and regularly aggregates up to 1.06" (27mm) of precipitation.

How many days does it snow in January in Charlo?

In January, it is snowing for 13.9 days. Throughout January, 5.91" (150mm) of snow is accumulated.

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

The average length of the day in January is 9h.

What is the month with the least sunshine in Charlo?

January has the least sunshine of the year in Charlo, with an average of 4.7h of sunshine.

How long on average sun shines in January in Charlo?

In January, the average sunshine is 4.7h.

What is the UV index intensity in January in Charlo?

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

Average temperature in January
Charlo, MT

Average temperature in January - Charlo, MT
  • Average high temperature in January: 29.8°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.4°F).

  • Average low temperature in January: 18°F

The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).

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Average pressure in January
Charlo, MT

Average pressure in January - Charlo, MT
  • Average pressure in January: 30.18"

The month with the highest atmospheric pressure is January (30.18").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in January
Charlo, MT

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

The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest months (with the lowest average wind speed) are January, August and December (3.9mph).

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Average humidity in January
Charlo, MT

Average humidity in January - Charlo, MT
  • Average humidity in January: 91%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (49%).

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Average rainfall in January
Charlo, MT

Average rainfall in January - Charlo, MT
  • Average rainfall in January: 1.06"

The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.63").

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Average rainfall days in January
Charlo, MT

Average rainfall days in January - Charlo, MT
  • Average rainfall days in January: 9.1 days

The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is August (7.4 days).

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Average snowfall in January
Charlo, MT

Average snowfall in January - Charlo, MT
  • Average snowfall in January: 5.91"

The month with the highest snowfall is February (6.5").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in January
Charlo, MT

Average snowfall days in January - Charlo, MT
  • Average snowfall days in January: 13.9 days

The month with the highest number of snowfall days is December (14.5 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
Charlo, MT

Average daylight in January / Average sunshine in January - Charlo, MT
  • Average daylight in January: 9h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in January: 4.7h

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 4.7h).

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Average sunshine days in January
Charlo, MT

Average sunshine days in January - Charlo, MT
  • Average sunshine days in January: 13.7 days

The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (11 days).

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Average UV index in January
Charlo, MT

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

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in January
Charlo, MT

Average cloud cover in January - Charlo, MT
  • Average cloud cover in January: 51

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 14).

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Average visibility in January
Charlo, MT

Average visibility in January - Charlo, MT
  • Average visibility in January: 4mi

Months with the highest visibility are April, May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February and December (4mi).

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