January Weather in Columbia, United States

Last updated: June 24, 2025

In Columbia, United States during January, the average temperature is a chilly 5°C (42°F). You can expect a minimum of -14°C (6°F) and a maximum of 24°C (75°F), making it quite a range! While you'll enjoy some sunshine, be prepared for a precipitation total of 112 mm (4.4 in) over about 9 days. The air will feel quite humid too, with an average humidity of 87%.

January Temperature in Columbia

In January in Columbia, the average temperature is 5°C (42°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -14°C (6°F). Travelers should be prepared for a wide range of temperatures during this time, making it essential to pack both warm layers and lighter clothing.

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

The chart illustrates January temperature patterns in Columbia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Columbia, January typically has an average temperature of 5°C (42°F), with highs reaching up to 24°C (75°F) and lows dropping to around -14°C (6°F).

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

January Precipitation in Columbia

In Columbia in January, the total precipitation amount is 112 mm (4.4 in), occurring over a span of 9 days.

January Precipitation Trends in Columbia

The chart displays monthly precipitation patterns in Columbia, 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 Columbia, January typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 9 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 Columbia

In Columbia in January humidity is 87%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel less inviting as the air becomes heavy and oppressive.

January Average Humidity in Columbia

This chart illustrates the average monthly humidity levels in Columbia, 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 Columbia is approximately 87%, 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 Columbia

In Columbia 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 Columbia for better planning.

Maximum UV Index Levels in Columbia for January

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

Data source: Columbia 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 Columbia Compares to Other Months

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

This table compares monthly weather conditions in Columbia, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	112 mm (4.4 inches)	87%	moderate
February Weather	8°C (46°F)	179 mm (7.0 inches)	87%	high
March Weather	12°C (54°F)	172 mm (6.8 inches)	85%	high
April Weather	15°C (60°F)	154 mm (6.1 inches)	82%	very high
May Weather	21°C (70°F)	111 mm (4.4 inches)	83%	very high
June Weather	25°C (77°F)	126 mm (5.0 inches)	82%	extreme
July Weather	26°C (80°F)	128 mm (5.0 inches)	78%	extreme
August Weather	26°C (78°F)	119 mm (4.7 inches)	67%	very high
September Weather	23°C (74°F)	110 mm (4.3 inches)	64%	very high
October Weather	17°C (64°F)	118 mm (4.6 inches)	74%	high
November Weather	9°C (49°F)	77 mm (3.0 inches)	87%	moderate
December Weather	8°C (46°F)	149 mm (5.9 inches)	88%	moderate