January Weather in Cheyenne, United States

Last updated: June 24, 2025

The average temperature in Cheyenne, United States during January is a brisk 3°C (38°F). Expect a range with minimums dipping as low as -16°C (3°F) and maximums soaring up to 23°C (74°F). Precipitation amounts to 26 mm (1.0 in) over just 3 days, and the air carries an average humidity of 76%.

January Temperature in Cheyenne

In January in Cheyenne, the average temperature is 3°C (38°F). Maximums can reach 23°C (74°F), while minimums can drop as low as -16°C (3°F). Be prepared for a wide range of temperatures when traveling during this time.

January Weather in Cheyenne: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Cheyenne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cheyenne, January typically has an average temperature of 3°C (38°F), with highs reaching up to 23°C (74°F) and lows dropping to around -16°C (3°F).

Data source: Temperature data for Cheyenne generated using information from the Copernicus Climate Change Service.

January Precipitation in Cheyenne

In Cheyenne in January, the precipitation amount is 26 mm (1.0 in) recorded over the course of 3 days.

January Precipitation Trends in Cheyenne

The chart displays monthly precipitation patterns in Cheyenne, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Cheyenne, January typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Cheyenne

In Cheyenne in January, humidity is 76%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and demanding thicker layers for warmth.

January Average Humidity in Cheyenne

This chart illustrates the average monthly humidity levels in Cheyenne, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Cheyenne is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Cheyenne

In Cheyenne in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Cheyenne for better planning.

Maximum UV Index Levels in Cheyenne for January

The chart shows the monthly maximum UV Index (UVI) for Cheyenne in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Cheyenne typically reaches 4, which falls under the moderate exposure category.

Data source: Cheyenne January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Cheyenne Compares to Other Months

Weather in Cheyenne varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Cheyenne, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Cheyenne, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	26 mm (1.0 inches)	76%	moderate
February Weather	4°C (39°F)	18 mm (0.7 inches)	76%	high
March Weather	11°C (51°F)	79 mm (3.1 inches)	70%	very high
April Weather	14°C (58°F)	56 mm (2.2 inches)	72%	very high
May Weather	20°C (68°F)	105 mm (4.2 inches)	82%	extreme
June Weather	25°C (78°F)	73 mm (2.9 inches)	82%	extreme
July Weather	27°C (81°F)	49 mm (1.9 inches)	80%	extreme
August Weather	26°C (80°F)	45 mm (1.8 inches)	72%	extreme
September Weather	23°C (74°F)	55 mm (2.2 inches)	64%	very high
October Weather	15°C (59°F)	73 mm (2.9 inches)	71%	high
November Weather	9°C (48°F)	13 mm (0.5 inches)	81%	moderate
December Weather	5°C (42°F)	21 mm (0.8 inches)	84%	moderate