January Weather in Greybull, United States

Last updated: June 24, 2025

In Greybull, United States, the average temperature in January hovers around -3°C (27°F). Expect temperatures to dip as low as -28°C (-19°F) and rise to a maximum of 11°C (52°F). With an average humidity of 85%, the air can feel quite damp. There's also a chance of 10 mm (0.4 in) of precipitation spread over 3 days, so be sure to prepare for potential snow or rain!

January Temperature in Greybull

In January in Greybull, the average temperature is -3°C (27°F), with maximums reaching up to 11°C (52°F) and minimums plunging as low as -28°C (-19°F). Be prepared for a wide range of temperatures if you are traveling during this time!

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

The chart illustrates January temperature patterns in Greybull, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greybull, January typically has an average temperature of -3°C (27°F), with highs reaching up to 11°C (52°F) and lows dropping to around -28°C (-19°F).

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

January Precipitation in Greybull

In Greybull in January, the precipitation amount is 10 mm (0.4 in) over a period of 3 days.

January Precipitation Trends in Greybull

The chart displays monthly precipitation patterns in Greybull, 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 Greybull, January typically receives around 10 mm (0.4 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 Greybull

In Greybull in January humidity is 85%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps through layers of clothing, making travel seem daunting and the cold air sting your skin.

January Average Humidity in Greybull

This chart illustrates the average monthly humidity levels in Greybull, 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 Greybull is approximately 85%, 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 Greybull

In Greybull in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Greybull, you can check the information here.

Maximum UV Index Levels in Greybull for January

The chart shows the monthly maximum UV Index (UVI) for Greybull 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 Greybull typically reaches 3, which falls under the moderate exposure category.

Data source: Greybull 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 Greybull Compares to Other Months

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

This table compares monthly weather conditions in Greybull, 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 (27°F)	10 mm (0.4 inches)	85%	moderate
February Weather	-5°C (24°F)	21 mm (0.8 inches)	85%	moderate
March Weather	5°C (40°F)	14 mm (0.5 inches)	79%	high
April Weather	8°C (46°F)	30 mm (1.2 inches)	74%	very high
May Weather	13°C (56°F)	37 mm (1.5 inches)	76%	very high
June Weather	20°C (69°F)	14 mm (0.5 inches)	79%	extreme
July Weather	25°C (77°F)	7 mm (0.3 inches)	81%	extreme
August Weather	23°C (73°F)	11 mm (0.4 inches)	80%	very high
September Weather	17°C (63°F)	30 mm (1.2 inches)	76%	very high
October Weather	7°C (45°F)	29 mm (1.1 inches)	74%	high
November Weather	2°C (37°F)	12 mm (0.5 inches)	81%	moderate
December Weather	-2°C (29°F)	14 mm (0.5 inches)	87%	low