January Weather in Centralia, United States

Last updated: June 24, 2025

In Centralia, United States, the average temperature in January hovers around -2°C (29°F). Temperatures can dramatically fluctuate, with a minimum of -25°C (-13°F) and a maximum reaching 17°C (63°F). Expect about 31 mm (1.2 in) of precipitation spread over 5 days, while the average humidity sits at a notable 76%.

January Temperature in Centralia

In January in Centralia, the average temperature is -2°C (29°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -25°C (-13°F). It's advisable to pack accordingly for a range of temperatures if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Centralia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Centralia, January typically has an average temperature of -2°C (29°F), with highs reaching up to 17°C (63°F) and lows dropping to around -25°C (-13°F).

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

January Precipitation in Centralia

In Centralia in January, the precipitation amount is 31 mm (1.2 in) spread over 5 days.

January Precipitation Trends in Centralia

The chart displays monthly precipitation patterns in Centralia, 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 Centralia, January typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 5 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 Centralia

In Centralia in January, humidity is 76%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay warm while exploring.

January Average Humidity in Centralia

This chart illustrates the average monthly humidity levels in Centralia, 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 Centralia is approximately 76%, 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 Centralia

In Centralia 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 Centralia, you can check the information here.

Maximum UV Index Levels in Centralia for January

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

Data source: Centralia 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 Centralia Compares to Other Months

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

This table compares monthly weather conditions in Centralia, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	31 mm (1.2 inches)	76%	moderate
February Weather	-1°C (30°F)	31 mm (1.2 inches)	77%	moderate
March Weather	7°C (45°F)	93 mm (3.6 inches)	70%	high
April Weather	12°C (53°F)	82 mm (3.2 inches)	73%	very high
May Weather	18°C (65°F)	208 mm (8.2 inches)	82%	very high
June Weather	25°C (77°F)	96 mm (3.8 inches)	82%	extreme
July Weather	27°C (80°F)	75 mm (2.9 inches)	81%	extreme
August Weather	24°C (76°F)	108 mm (4.3 inches)	78%	very high
September Weather	22°C (72°F)	68 mm (2.7 inches)	71%	very high
October Weather	13°C (55°F)	116 mm (4.6 inches)	71%	high
November Weather	6°C (43°F)	34 mm (1.4 inches)	81%	moderate
December Weather	2°C (36°F)	27 mm (1.1 inches)	84%	moderate