January Weather in Colby, United States

Last updated: August 27, 2025

In January, the average temperature in Colby, United States hovers around 0°C (32°F). Expect a chilly atmosphere, with temperatures dipping as low as -20°C (-3°F) and occasionally rising to a comfortable 20°C (68°F). During this month, you'll encounter approximately 18 mm (0.7 in) of precipitation over the span of 3 days, accompanied by an average humidity level of 74%.

January Temperature in Colby

In January in Colby, the average temperature is 0°C (32°F). Maximums can reach 20°C (68°F), and minimums can be as low as -20°C (-3°F). Be prepared for a wide range of temperatures, making it essential to pack layers when traveling during this time.

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

The chart illustrates January temperature patterns in Colby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colby, January typically has an average temperature of 0°C (32°F), with highs reaching up to 20°C (68°F) and lows dropping to around -20°C (-3°F).

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

January Precipitation in Colby

In Colby in January, the precipitation amount is 18 mm (0.7 in) over a span of 3 days.

January Precipitation Trends in Colby

The chart displays monthly precipitation patterns in Colby, 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 Colby, January typically receives around 18 mm (0.7 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 Colby

In Colby in January, humidity is 74%. With an average temperature of 0°C (32°F), this humidity feels like a biting chill that clings to your skin, making it essential to bundle up tightly while exploring the area.

January Average Humidity in Colby

This chart illustrates the average monthly humidity levels in Colby, 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 Colby is approximately 74%, 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 Colby

In Colby 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 Colby for better planning.

Maximum UV Index Levels in Colby for January

The chart shows the monthly maximum UV Index (UVI) for Colby 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 Colby typically reaches 4, which falls under the moderate exposure category.

Data source: Colby 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 Colby Compares to Other Months

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

This table compares monthly weather conditions in Colby, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	18 mm (0.7 inches)	74%	moderate
February Weather	-1°C (31°F)	15 mm (0.6 inches)	78%	moderate
March Weather	6°C (43°F)	56 mm (2.2 inches)	66%	high
April Weather	10°C (51°F)	37 mm (1.5 inches)	66%	very high
May Weather	16°C (61°F)	117 mm (4.6 inches)	83%	very high
June Weather	24°C (75°F)	57 mm (2.2 inches)	83%	extreme
July Weather	25°C (78°F)	60 mm (2.3 inches)	83%	extreme
August Weather	24°C (75°F)	57 mm (2.2 inches)	86%	very high
September Weather	21°C (70°F)	56 mm (2.2 inches)	82%	very high
October Weather	11°C (52°F)	52 mm (2.0 inches)	75%	high
November Weather	6°C (44°F)	14 mm (0.6 inches)	77%	moderate
December Weather	2°C (36°F)	18 mm (0.7 inches)	82%	moderate