January weather forecast
Denton, MT

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Weather in January

January, like December, is another subzero cold winter month in Denton, Montana, with an average temperature fluctuating between 16.9°F (-8.4°C) and 30.6°F (-0.8°C).

Temperature

The arrival of January records an average high-temperature of a still subzero cold 30.6°F (-0.8°C), closely related to the 29.1°F (-1.6°C) observed in December. During January, the average low-temperature is a still freezing cold 16.9°F (-8.4°C).

Humidity

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

Rainfall

In January, the rain falls for 5.4 days. Throughout January, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 126.2 rainfall days, and 17.83" (453mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. In January, it is snowing for 12.9 days. Throughout January, 5.47" (139mm) of snow is accumulated. Throughout the year, in Denton, there are 83.4 snowfall days, and 45.51" (1156mm) of snow is accumulated.

Daylight

In Denton, the average length of the day in January is 8h and 59min.
On the first day of January, sunrise is at 8:06 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:19 pm MST.

Sunshine

In January, the average sunshine is 5.7h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 suggests this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January?

January temperatures in Denton vary between a high-temperature of 30.6°F (-0.8°C) and a low-temperature of 16.9°F (-8.4°C).

What is the average humidity in January?

In January, the average relative humidity is 78%.

How much does it rain in January?

In January, the rain falls for 5.4 days. Throughout January, 0.83" (21mm) of precipitation is accumulated.

How many days does it snow in January?

In January, it is snowing for 12.9 days. Throughout January, 5.47" (139mm) of snow is accumulated.

How many hours of daylight does Denton have in January?

The average day length in January is 8h and 59min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 8:06 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:19 pm MST.

How long on average sun shines in January in Denton?

In Denton, the average sunshine duration in January is 5.7h.

What is the month with the lowest UV index?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in January?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
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
Denton, MT

Average temperature in January - Denton, MT
  • Average high temperature in January: 30.6°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The months with the lowest average high temperature are February and December (29.1°F).

  • Average low temperature in January: 16.9°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).

Average pressure in January
Denton, MT

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

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

Average wind speed in January
Denton, MT

Average wind speed in January - Denton, MT
  • Average wind speed in January: 9.9mph

The windiest months (with the highest average wind speed) are January, April and October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).

Average humidity in January
Denton, MT

Average humidity in January - Denton, MT
  • Average humidity in January: 78%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (47%).

Average rainfall in January
Denton, MT

Average rainfall in January - Denton, MT
  • Average rainfall in January: 0.83"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (0.71").

Average rainfall days in January
Denton, MT

Average rainfall days in January - Denton, MT
  • Average rainfall days in January: 5.4 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in January
Denton, MT

Average snowfall in January - Denton, MT
  • Average snowfall in January: 5.47"

The month with the highest snowfall is April (9.13").
The months with the least snowfall are July and August (0").

Average snowfall days in January
Denton, MT

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

The month with the highest number of snowfall days is February (15.2 days).
The months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in January: 5h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

Average sunshine days in January
Denton, MT

Average sunshine days in January - Denton, MT
  • Average sunshine days in January: 15.9 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (8.3 days).

Average UV index in January
Denton, MT

Average UV index in January - Denton, 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, April, October, November and December (UV index 2).

Average cloud cover in January
Denton, MT

Average cloud cover in January - Denton, MT
  • Average cloud cover in January: 39

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 16).

Average visibility in January
Denton, MT

Average visibility in January - Denton, 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).

Denton, Montana, USA

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