January Weather in Pierce, United States

Last updated: June 24, 2025

In January, the average temperature in Pierce, United States hovers around -1°C (30°F), with extremes ranging from a chilly -28°C (-18°F) to a mild 15°C (60°F). Visitors can expect about 11 mm (0.4 in) of precipitation spread over 2 days, accompanied by an average humidity level of 72%—perfect for those seeking a brisk, invigorating atmosphere!

January Temperature in Pierce

In January in Pierce, the average temperature is -1°C (30°F), with maximums reaching 15°C (60°F) and minimums dropping as low as -28°C (-18°F). It's advisable to pack warm clothing and be prepared for significant temperature fluctuations if you plan to travel during this time.

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 -1°C (30°F), with highs reaching up to 15°C (60°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec302940475568757266484033
Data source: Temperature data for Pierce generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Pierce

In Pierce in January, the precipitation amount is 11 mm (0.4 in) over the course of 2 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 11 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec1116463910039323116271812
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Pierce

In Pierce in January humidity is 72%. With an average temperature of -1°C (30°F), this humidity feels like a damp chill settling in your bones, making travel uncomfortable and requiring extra layers to stay warm and dry.

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 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%62%60%74%82%82%84%75%73%74%77%
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 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 Pierce for better planning.

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 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45710101212109643
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.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)11 mm (0.4 inches)72%moderate
February Weather-2°C (29°F)15 mm (0.6 inches)76%moderate
March Weather4°C (40°F)46 mm (1.8 inches)61%high
April Weather8°C (47°F)39 mm (1.5 inches)60%very high
May Weather13°C (56°F)100 mm (3.9 inches)74%very high
June Weather20°C (69°F)39 mm (1.5 inches)82%extreme
July Weather24°C (75°F)32 mm (1.3 inches)82%extreme
August Weather22°C (73°F)31 mm (1.2 inches)84%very high
September Weather19°C (66°F)16 mm (0.6 inches)75%very high
October Weather9°C (48°F)27 mm (1.1 inches)73%high
November Weather4°C (40°F)18 mm (0.7 inches)74%moderate
December Weather0°C (33°F)12 mm (0.5 inches)77%moderate

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