January weather forecast
Terry, MT

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Weather in January

January weather in Terry, Montana sees the year off to a chilly start. Compared to December, temperatures mellow slightly with averages ranging from 12.6°F (-10.8°C) to 25.5°F (-3.6°C). Snowfall, frequent at 2.87" (73mm) over 12.9 days, contributes to an overall wintry landscape, making January a picturesque month. Low sunshine hours and high humidity accentuate the winter atmosphere. January weather transitions gradually into that of February with minor changes.

Temperature

Terry's coldest month, January, generally records average temperatures ranging from a high of 25.5°F (-3.6°C) to a low of 12.6°F (-10.8°C).

Humidity

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

Rainfall

The month with the least rainfall in Terry is January, when the rain falls for 4.4 days and typically collects 0.51" (13mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Terry, during January, snow falls for 12.9 days and regularly aggregates up to 2.87" (73mm) of snow. In Terry, during the entire year, snow falls for 58.7 days and aggregates up to 17.28" (439mm) of snow.

Daylight

In January, the average length of the day is 9h and 3min.
On the first day of the month, sunrise is at 7:46 am and sunset at 4:23 pm. On the last day of January, in Terry, sunrise is at 7:26 am and sunset at 5:02 pm MST.

Sunshine

In Terry, the average sunshine in January is 5.1h.

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 UV radiation for the ordinary person.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What time of the year is the coldest in Terry?

January, on average, is the coldest month in Terry, Montana, registering a high temperature of 25.5°F (-3.6°C) and a low of 12.6°F (-10.8°C).

How cold is it in Terry in January?

The high-temperature in Terry, Montana, during January is 25.5°F (-3.6°C) and the low-temperature is 12.6°F (-10.8°C).

What is the most humid month in Terry?

With an average relative humidity of 85%, January is the most humid month in Terry.

What is the average humidity in January in Terry?

In January, the average relative humidity in Terry, Montana, is 85%.

What is the driest month in Terry?

The month with the least rainfall in Terry is January, when the rain falls for 4.4 days and typically collects 0.51" (13mm) of precipitation.

How much does it rain in Terry in January?

In Terry, in January, during 4.4 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

How many days does it snow in January in Terry?

In Terry, in January, snow falls for 12.9 days, with typically accumulated 2.87" (73mm) of snow.

How many hours of daylight does Terry have in January?

The average day length in January in Terry is 9h and 3min.

When are sunrise and sunset in January in Terry?

On the first day of January in Terry, sunrise is at 7:46 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:02 pm MST.

How long on average sun shines in January in Terry?

The average sunshine duration in January in Terry is 5.1h.

How high is the UV index in January in Terry?

In Terry, 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 exposure to the Sun's 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
Terry, MT

Average temperature in January - Terry, MT
  • Average high temperature in January: 25.5°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in January: 12.6°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in January
Terry, MT

Average pressure in January - Terry, MT
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in January
Terry, MT

Average wind speed in January - Terry, MT
  • Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

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Average humidity in January
Terry, MT

Average humidity in January - Terry, 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 (43%).

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Average rainfall in January
Terry, MT

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

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in January
Terry, MT

Average rainfall days in January - Terry, MT
  • Average rainfall days in January: 4.4 days

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4 days).

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Average snowfall in January
Terry, MT

Average snowfall in January - Terry, MT
  • Average snowfall in January: 2.87"

The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Terry, MT

Average snowfall days in January - Terry, MT
  • Average snowfall days in January: 12.9 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Terry, MT
  • Average daylight in January: 9h and 0min

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: 5h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in January
Terry, MT

Average sunshine days in January - Terry, MT
  • Average sunshine days in January: 16.4 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (13.1 days).

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Average UV index in January
Terry, MT

Average UV index in January - Terry, 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 November and December (UV index 1).

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Average cloud cover in January
Terry, MT

Average cloud cover in January - Terry, MT
  • Average cloud cover in January: 47

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).

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Average visibility in January
Terry, MT

Average visibility in January - Terry, 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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Terry, Montana, USA

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