January weather forecast
Dubois, WY

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Dubois, Wyoming, a winter view of the glorious Absaroka Mountains on Togwotee Region
Dubois, Wyoming, a winter view of the glorious Absaroka Mountains on Togwotee Region

Weather in January

The start of the year in Dubois, Wyoming, observes chilled weather with snow filling the air regularly. January experiences an average daily high temperature of 26.8°F (-2.9°C) and a low of 10.4°F (-12°C). The climate is mostly humid, characterized by frost-laden mornings. With snow covering the ground for a significant number of days, the town becomes a winter wonderland. The short daylight hours lead to long, cozy nights.

Temperature

Dubois's average high-temperature in January is a still freezing cold 26.8°F (-2.9°C), indicating a subtle variation from December. Dubois records an average low of 10.4°F (-12°C) throughout the nights in January.

Humidity

In January, the average relative humidity is 76%.

Rainfall

The month with the least rainfall is January, when the rain falls for 7.8 days and typically collects 0.35" (9mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In Dubois, in January, during 10.9 snowfall days, 2.6" (66mm) of snow is typically accumulated. Throughout the year, there are 81 snowfall days, and 30.83" (783mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 23min.
On the first day of the month, sunrise is at 7:51 am and sunset at 4:52 pm. On the last day of January, sunrise is at 7:35 am and sunset at 5:27 pm MST.

Sunshine

The months with the least sunshine are January and December, with an average of 6.8h of sunshine.

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 of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January?

An average high-temperature, in January, in Dubois, is 26.8°F (-2.9°C) and the average low-temperature is 10.4°F (-12°C).

What is the average humidity in January?

In Dubois, the average relative humidity in January is 76%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 7.8 days and typically collects 0.35" (9mm) of precipitation.

How many days does it rain in January?

In Dubois, in January, during 7.8 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

How many days does it snow in January in Dubois?

In Dubois, in January, during 10.9 snowfall days, 2.6" (66mm) of snow is typically accumulated.

How many hours of daylight does Dubois have in January?

In January, the average day length is 9h and 23min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:51 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:27 pm MST.

What is the month with the least sunshine?

January and December, with an average of 6.8h of sunshine, are months with the least sunshine.

How many hours of sunshine does Dubois have in January?

The average sunshine duration in January is 6.8h.

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

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 intensity in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Dubois, WY

Average temperature in January - Dubois, WY
  • Average high temperature in January: 26.8°F

The warmest month (with the highest average high temperature) is July (73.8°F).
The month with the lowest average high temperature is December (24.4°F).

  • Average low temperature in January: 10.4°F

The month with the highest average low temperature is July (47.7°F).
The coldest month (with the lowest average low temperature) is December (8.2°F).

Average pressure in January
Dubois, WY

Average pressure in January - Dubois, WY
  • Average pressure in January: 30.23"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in January
Dubois, WY

Average wind speed in January - Dubois, WY
  • Average wind speed in January: 9.1mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in January
Dubois, WY

Average humidity in January - Dubois, WY
  • Average humidity in January: 76%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (41%).

Average rainfall in January
Dubois, WY

Average rainfall in January - Dubois, WY
  • Average rainfall in January: 0.35"

The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in January
Dubois, WY

Average rainfall days in January - Dubois, WY
  • Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is November (7 days).

Average snowfall in January
Dubois, WY

Average snowfall in January - Dubois, WY
  • Average snowfall in January: 2.6"

The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").

Average snowfall days in January
Dubois, WY

Average snowfall days in January - Dubois, WY
  • Average snowfall days in January: 10.9 days

The month with the highest number of snowfall days is March (14.1 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in January /
Average sunshine in January
Dubois, WY

Average daylight in January / Average sunshine in January - Dubois, WY
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 6h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 48min).

Average sunshine days in January
Dubois, WY

Average sunshine days in January - Dubois, WY
  • Average sunshine days in January: 18.1 days

The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is May (9 days).

Average UV index in January
Dubois, WY

Average UV index in January - Dubois, WY
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in January
Dubois, WY

Average cloud cover in January - Dubois, WY
  • Average cloud cover in January: 27

The months with the most cloud cover are February and April (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in January
Dubois, WY

Average visibility in January - Dubois, WY
  • 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).

Dubois, Wyoming, USA

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