January Weather in Colo, United States

Last updated: June 24, 2025

In January, the average temperature in Colo, United States hovers around -6°C (21°F). Expect chilly days, with minimums dropping to -32°C (-25°F) and rare highs of 14°C (57°F). During this month, precipitation averages 38 mm (1.5 in) over 6 days, paired with an average humidity of 78%. Bundle up and enjoy the winter wonderland!

January Temperature in Colo

In January in Colo, the average temperature is -6°C (21°F), with maximums reaching 14°C (57°F) and minimums dropping as low as -32°C (-25°F). Travelers should be prepared for a wide range of temperatures during this month, ensuring they pack clothing suitable for both mild and extremely cold weather conditions.

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

The chart illustrates January temperature patterns in Colo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colo, January typically has an average temperature of -6°C (21°F), with highs reaching up to 14°C (57°F) and lows dropping to around -32°C (-25°F).

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

January Precipitation in Colo

In Colo in January, the total precipitation amount is 38 mm (1.5 in) spread over 6 days.

January Precipitation Trends in Colo

The chart displays monthly precipitation patterns in Colo, 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 Colo, January typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 6 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Colo

In Colo in January humidity is 78%. With average temperature -6°C (21°F), this humidity feels like a frosty blanket enveloping you, making it crucial to bundle up if you're planning to explore the area. You'll want to be prepared for the biting chill that lingers in the air, creating an atmosphere that is both invigorating and crisp, perfect for winter adventures but challenging for prolonged outdoor activities.

January Average Humidity in Colo

This chart illustrates the average monthly humidity levels in Colo, 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 Colo is approximately 78%, 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 Colo

In Colo 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 Colo, you can check the information here.

Maximum UV Index Levels in Colo for January

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

Data source: Colo 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 Colo Compares to Other Months

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

This table compares monthly weather conditions in Colo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	38 mm (1.5 inches)	78%	moderate
February Weather	-6°C (22°F)	44 mm (1.7 inches)	80%	moderate
March Weather	3°C (38°F)	77 mm (3.0 inches)	77%	high
April Weather	9°C (48°F)	83 mm (3.3 inches)	77%	very high
May Weather	16°C (62°F)	151 mm (5.9 inches)	77%	very high
June Weather	23°C (74°F)	105 mm (4.1 inches)	81%	extreme
July Weather	24°C (76°F)	74 mm (2.9 inches)	81%	very high
August Weather	23°C (73°F)	62 mm (2.4 inches)	77%	very high
September Weather	20°C (68°F)	115 mm (4.5 inches)	73%	very high
October Weather	11°C (52°F)	132 mm (5.2 inches)	75%	high
November Weather	3°C (38°F)	43 mm (1.7 inches)	85%	moderate
December Weather	-1°C (30°F)	35 mm (1.4 inches)	83%	moderate