January Weather in Pierce, United States

Last updated: June 24, 2025

In January, the average temperature in Pierce, United States hovers around -5°C (23°F), with extremes ranging from a chilling -30°C (-22°F) to a mild 13°C (55°F). Precipitation is expected to be about 26 mm (1.0 in) over 4 days, complemented by a relatively high average humidity of 77%.

January Temperature in Pierce

In January in Pierce, the average temperature is -5°C (23°F), with maximums reaching 13°C (55°F) and minimums dropping as low as -30°C (-22°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack accordingly for both chilly and milder days.

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

The chart illustrates January temperature patterns in Pierce, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pierce, January typically has an average temperature of -5°C (23°F), with highs reaching up to 13°C (55°F) and lows dropping to around -30°C (-22°F).

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

January Precipitation in Pierce

In Pierce in January, the precipitation amount is 26 mm (1.0 in) over the course of 4 days.

January Precipitation Trends in Pierce

The chart displays monthly precipitation patterns in Pierce, 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 Pierce, January typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 4 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 Pierce

In Pierce in January humidity is 77%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that wraps around you, making outdoor activities uncomfortable and urging travelers to bundle up tightly to fend off the cold dampness.

January Average Humidity in Pierce

This chart illustrates the average monthly humidity levels in Pierce, 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 Pierce is approximately 77%, 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 Pierce

In Pierce 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 Pierce, you can check the information here.

Maximum UV Index Levels in Pierce for January

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

Data source: Pierce 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 Pierce Compares to Other Months

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

This table compares monthly weather conditions in Pierce, 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 (23°F)	26 mm (1.0 inches)	77%	moderate
February Weather	-5°C (23°F)	25 mm (1.0 inches)	81%	moderate
March Weather	3°C (38°F)	83 mm (3.3 inches)	71%	high
April Weather	8°C (47°F)	71 mm (2.8 inches)	75%	very high
May Weather	15°C (60°F)	146 mm (5.7 inches)	74%	very high
June Weather	23°C (74°F)	86 mm (3.4 inches)	82%	extreme
July Weather	24°C (76°F)	82 mm (3.2 inches)	84%	very high
August Weather	23°C (73°F)	87 mm (3.4 inches)	82%	very high
September Weather	19°C (67°F)	73 mm (2.9 inches)	75%	very high
October Weather	10°C (50°F)	79 mm (3.1 inches)	72%	high
November Weather	3°C (38°F)	24 mm (0.9 inches)	81%	moderate
December Weather	-2°C (29°F)	44 mm (1.8 inches)	79%	low