January Weather in McComb, United States

Last updated: June 24, 2025

In January, the average temperature in McComb, United States hovers around 10°C (50°F). Be prepared for a range of weather conditions, as temperatures can dip as low as -12°C (11°F) or rise to a pleasant 27°C (82°F). Expect about 125 mm (4.9 in) of precipitation over 8 days, and don't forget to note the average humidity of 83%, ensuring a moist atmosphere throughout the month.

January Temperature in McComb

In January in McComb, the average temperature is 10°C (50°F). The maximum can reach 27°C (82°F) and the minimum can be as low as -12°C (11°F). Be prepared for a wide range of temperatures when traveling during this time, as it can range from chilly to pleasantly warm.

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

The chart illustrates January temperature patterns in McComb, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McComb, January typically has an average temperature of 10°C (50°F), with highs reaching up to 27°C (82°F) and lows dropping to around -12°C (11°F).

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

January Precipitation in McComb

In McComb in January, the precipitation amount is 125 mm (4.9 in) over the course of 8 days.

January Precipitation Trends in McComb

The chart displays monthly precipitation patterns in McComb, 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 McComb, January typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 8 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 McComb

In McComb in January, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.

January Average Humidity in McComb

This chart illustrates the average monthly humidity levels in McComb, 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 McComb is approximately 83%, 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 McComb

In McComb in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in McComb.

Maximum UV Index Levels in McComb for January

The chart shows the monthly maximum UV Index (UVI) for McComb 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 McComb typically reaches 5, which falls under the moderate exposure category.

Data source: McComb 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 McComb Compares to Other Months

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

This table compares monthly weather conditions in McComb, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	125 mm (4.9 inches)	83%	moderate
February Weather	13°C (56°F)	125 mm (4.9 inches)	83%	very high
March Weather	17°C (62°F)	118 mm (4.6 inches)	80%	very high
April Weather	19°C (66°F)	144 mm (5.7 inches)	81%	extreme
May Weather	23°C (74°F)	173 mm (6.8 inches)	81%	extreme
June Weather	26°C (79°F)	151 mm (5.9 inches)	78%	extreme
July Weather	27°C (81°F)	150 mm (5.9 inches)	79%	extreme
August Weather	27°C (80°F)	175 mm (6.9 inches)	79%	extreme
September Weather	26°C (78°F)	111 mm (4.4 inches)	79%	very high
October Weather	21°C (70°F)	107 mm (4.2 inches)	77%	very high
November Weather	14°C (57°F)	90 mm (3.5 inches)	85%	high
December Weather	12°C (54°F)	147 mm (5.8 inches)	88%	moderate