January Weather in Willamina, United States

Last updated: June 24, 2025

In January, the average temperature in Willamina, United States hovers around 5°C (41°F). Expect a chilly range, with minimums dipping to -10°C (14°F) and highs reaching up to 14°C (58°F). The region experiences 194 mm (7.6 in) of precipitation over approximately 17 days, contributing to an average humidity of 85%. Be prepared for wet and cool conditions!

January Temperature in Willamina

In January in Willamina, the average temperature is 5°C (41°F), with maximums reaching up to 14°C (58°F) and minimums dropping as low as -10°C (14°F). Travelers should prepare for a wide range of temperatures and pack accordingly to enjoy their visit comfortably.

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

The chart illustrates January temperature patterns in Willamina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Willamina, January typically has an average temperature of 5°C (41°F), with highs reaching up to 14°C (58°F) and lows dropping to around -10°C (14°F).

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

January Precipitation in Willamina

In Willamina in January, the total precipitation amount is 194 mm (7.6 in), measured over a span of 17 days.

January Precipitation Trends in Willamina

The chart displays monthly precipitation patterns in Willamina, 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 Willamina, January typically receives around 194 mm (7.6 inches) of precipitation spread over approximately 17 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 Willamina

In Willamina in January, humidity is 85%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a challenge as the cold air clings to your skin.

January Average Humidity in Willamina

This chart illustrates the average monthly humidity levels in Willamina, 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 Willamina is approximately 85%, 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 Willamina

In Willamina in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Willamina, you can visit Hourly UV Index in Willamina.

Maximum UV Index Levels in Willamina for January

The chart shows the monthly maximum UV Index (UVI) for Willamina 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 Willamina typically reaches 2, which falls under the low exposure category.

Data source: Willamina 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 Willamina Compares to Other Months

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

This table compares monthly weather conditions in Willamina, 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 (41°F)	194 mm (7.6 inches)	85%	low
February Weather	5°C (41°F)	180 mm (7.1 inches)	84%	moderate
March Weather	7°C (45°F)	150 mm (5.9 inches)	85%	moderate
April Weather	9°C (49°F)	126 mm (4.9 inches)	83%	high
May Weather	13°C (55°F)	63 mm (2.5 inches)	83%	very high
June Weather	16°C (61°F)	49 mm (1.9 inches)	83%	very high
July Weather	18°C (65°F)	5 mm (0.2 inches)	82%	very high
August Weather	19°C (66°F)	6 mm (0.2 inches)	74%	very high
September Weather	16°C (61°F)	68 mm (2.7 inches)	71%	high
October Weather	11°C (52°F)	105 mm (4.1 inches)	81%	moderate
November Weather	7°C (46°F)	178 mm (7.0 inches)	87%	moderate
December Weather	5°C (41°F)	210 mm (8.3 inches)	87%	low