January weather forecast
Frontier, WY

Share

Weather in January

January, like December, is a freezing cold winter month in Frontier, Wyoming, with an average temperature fluctuating between 9.9°F (-12.3°C) and 26.6°F (-3°C).

Temperature

Stepping into January, Frontier records an average high-temperature of a still freezing cold 26.6°F (-3°C), almost consistent with December. In Frontier, an average low-temperature of 9.9°F (-12.3°C) is recorded during January nights.

Humidity

January and February, with an average relative humidity of 87%, are the most humid months.

Rainfall

In Frontier, during January, the rain falls for 7 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 96.8 rainfall days, and 11.46" (291mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. In Frontier, in January, snow falls for 12.9 days, with typically accumulated 4.45" (113mm) of snow. Throughout the year, there are 88.9 snowfall days, and 38.86" (987mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 33min.
On the first day of January in Frontier, sunrise is at 7:49 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:35 pm MST.

Sunshine

The month with the least sunshine is January, with an average of 5.7h 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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January?

Frontier in January has an average high-temperature of 26.6°F (-3°C) and an average low-temperature of 9.9°F (-12.3°C).

What are the most humid months?

The months with the highest humidity are January and February, with an average relative humidity of 87%.

What is the average humidity in January?

The average relative humidity in January is 87%.

How much does it rain in January?

In January, the rain falls for 7 days. Throughout January, 0.75" (19mm) of precipitation is accumulated.

How many days does it snow in January in Frontier?

In Frontier, in January, during 12.9 snowfall days, 4.45" (113mm) of snow is typically accumulated.

How many hours of daylight does Frontier have in January?

In January, the average day length is 9h and 33min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:49 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:35 pm MST.

What is the month with the least sunshine?

With an average of 5.7h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Frontier have in January?

In January, the average sunshine duration is 5.7h.

When is the lowest UV index?

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

How high is the UV index in January?

In Frontier, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe 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
Frontier, WY

Average temperature in January - Frontier, WY
  • Average high temperature in January: 26.6°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in January: 9.9°F

The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average pressure in January
Frontier, WY

Average pressure in January - Frontier, WY
  • Average pressure in January: 30.29"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in January
Frontier, WY

Average wind speed in January - Frontier, WY
  • Average wind speed in January: 8.1mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

Average humidity in January
Frontier, WY

Average humidity in January - Frontier, WY
  • Average humidity in January: 87%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is August (35%).

Average rainfall in January
Frontier, WY

Average rainfall in January - Frontier, WY
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is August (0.59").

Average rainfall days in January
Frontier, WY

Average rainfall days in January - Frontier, WY
  • Average rainfall days in January: 7 days

The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is February (5 days).

Average snowfall in January
Frontier, WY

Average snowfall in January - Frontier, WY
  • Average snowfall in January: 4.45"

The month with the highest snowfall is March (6.81").
The months with the least snowfall are July and August (0").

Average snowfall days in January
Frontier, WY

Average snowfall days in January - Frontier, WY
  • Average snowfall days in January: 12.9 days

The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in January / Average sunshine in January - Frontier, WY
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 5h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in January
Frontier, WY

Average sunshine days in January - Frontier, WY
  • Average sunshine days in January: 17.3 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is April (9.7 days).

Average UV index in January
Frontier, WY

Average UV index in January - Frontier, WY
  • 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
Frontier, WY

Average cloud cover in January - Frontier, WY
  • Average cloud cover in January: 43

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 12).

Average visibility in January
Frontier, WY

Average visibility in January - Frontier, WY
  • Average visibility in January: 4mi

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

Frontier, Wyoming, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location