January weather forecast
Big Horn, WY

Share

Weather in January

January, like December, is a freezing cold winter month in Big Horn, Wyoming, with an average temperature fluctuating between 30.4°F (-0.9°C) and 15.6°F (-9.1°C).

Temperature

As December turns into January, the average high-temperatures rest at a still freezing cold 30.4°F (-0.9°C), showing a minor variation from the prior month. Big Horn encounters a steady low-temperature average of 15.6°F (-9.1°C) throughout the month of January.

Humidity

In Big Horn, the average relative humidity in January is 77%.

Rainfall

In January, in Big Horn, the rain falls for 9 days. Throughout January, 0.94" (24mm) of precipitation is accumulated. Throughout the year, in Big Horn, Wyoming, there are 165.2 rainfall days, and 21.22" (539mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Big Horn, in January, during 13.2 snowfall days, 5.75" (146mm) of snow is typically accumulated. Throughout the year, in Big Horn, there are 78.9 snowfall days, and 46.3" (1176mm) of snow is accumulated.

Daylight

In January, the average length of the day in Big Horn is 9h and 17min.
On the first day of the month, sunrise is at 7:44 am and sunset at 4:37 pm. On the last day of January, sunrise is at 7:28 am and sunset at 5:14 pm MST.

Sunshine

In Big Horn, the average sunshine in January is 6.3h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Big Horn. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: A typical high UV index of 2 in January suggests the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
[Resources]

Frequently asked questions

How cold is it in Big Horn in January?

In Big Horn, 30.4°F (-0.9°C) is the average high-temperature and 15.6°F (-9.1°C) is the average low-temperature during January.

What is the average humidity in January in Big Horn?

In January, the average relative humidity in Big Horn is 77%.

How much does it rain in Big Horn in January?

In Big Horn, Wyoming, in January, it is raining for 9 days, with typically 0.94" (24mm) of accumulated precipitation.

How many days does it snow in January in Big Horn?

In Big Horn, during January, snow falls for 13.2 days and regularly aggregates up to 5.75" (146mm) of snow.

What is the average length of the day in January in Big Horn?

In January, the average day length is 9h and 17min.

When is the sunrise / sunset in January in Big Horn?

On the first day of January in Big Horn, Wyoming, sunrise is at 7:44 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:14 pm MST.

How many hours of sunshine does Big Horn have in January?

In January, the average sunshine duration is 6.3h.

What are the months with the lowest UV index in Big Horn?

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

What is the UV index reading in January in Big Horn?

In January, the average daily maximum UV index in Big Horn is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Big Horn, WY

Average temperature in January - Big Horn, WY
  • Average high temperature in January: 30.4°F

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

  • Average low temperature in January: 15.6°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).

[Resources]

Average pressure in January
Big Horn, WY

Average pressure in January - Big Horn, WY
  • 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).

[Resources]

Average wind speed in January
Big Horn, WY

Average wind speed in January - Big Horn, WY
  • Average wind speed in January: 7mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

[Resources]

Average humidity in January
Big Horn, WY

Average humidity in January - Big Horn, WY
  • Average humidity in January: 77%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (46%).

[Resources]

Average rainfall in January
Big Horn, WY

Average rainfall in January - Big Horn, WY
  • Average rainfall in January: 0.94"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is December (0.75").

[Resources]

Average rainfall days in January
Big Horn, WY

Average rainfall days in January - Big Horn, WY
  • Average rainfall days in January: 9 days

The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (7.5 days).

[Resources]

Average snowfall in January
Big Horn, WY

Average snowfall in January - Big Horn, WY
  • Average snowfall in January: 5.75"

The month with the highest snowfall is April (8.7").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in January
Big Horn, WY

Average snowfall days in January - Big Horn, WY
  • Average snowfall days in January: 13.2 days

The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Big Horn, WY

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

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

  • Average sunshine in January: 6h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

[Resources]

Average sunshine days in January
Big Horn, WY

Average sunshine days in January - Big Horn, WY
  • Average sunshine days in January: 13.6 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is May (5.8 days).

[Resources]

Average UV index in January
Big Horn, WY

Average UV index in January - Big Horn, 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).

[Resources]

Average cloud cover in January
Big Horn, WY

Average cloud cover in January - Big Horn, WY
  • Average cloud cover in January: 33

The months with the most cloud cover are February and April (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 15).

[Resources]

Average visibility in January
Big Horn, WY

Average visibility in January - Big Horn, 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).

[Resources]

Big Horn, Wyoming, USA

Weather forecast for your location

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