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January Weather in Wilsonville, United States

Last updated: June 24, 2025

In January, the average temperature in Wilsonville, United States hovers around 8°C (47°F). Weather can be quite variable, with temperatures dipping as low as -11°C (12°F) and soaring up to 26°C (80°F). Expect around 111 mm (4.4 in) of precipitation spread over 9 days, while the average humidity remains high at 85%.

January Temperature in Wilsonville

In January in Wilsonville, the average temperature is 8°C (47°F). Maximum temperatures can reach 26°C (80°F), while minimum temperatures can drop as low as -11°C (12°F). Be prepared for a wide range of temperatures when traveling to Wilsonville during this time.

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

The chart illustrates January temperature patterns in Wilsonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wilsonville, January typically has an average temperature of 8°C (47°F), with highs reaching up to 26°C (80°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec475358637278818077685450
Data source: Temperature data for Wilsonville 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 Wilsonville

In Wilsonville in January, the precipitation amount is 111 mm (4.4 in) over the course of 9 days.

January Precipitation Trends in Wilsonville

The chart displays monthly precipitation patterns in Wilsonville, 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 Wilsonville, January typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1111541271361081411181198512682139
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Wilsonville

In Wilsonville in January humidity is 85%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities feel less refreshing and more uncomfortable for traveling.

January Average Humidity in Wilsonville

This chart illustrates the average monthly humidity levels in Wilsonville, 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 Wilsonville is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Wilsonville

In Wilsonville 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 Wilsonville for better planning.

Maximum UV Index Levels in Wilsonville for January

The chart shows the monthly maximum UV Index (UVI) for Wilsonville 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 Wilsonville typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119764
Data source: Wilsonville 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 Wilsonville Compares to Other Months

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

This table compares monthly weather conditions in Wilsonville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)111 mm (4.4 inches)85%moderate
February Weather12°C (53°F)154 mm (6.1 inches)84%high
March Weather15°C (59°F)127 mm (5.0 inches)82%very high
April Weather17°C (64°F)136 mm (5.3 inches)82%very high
May Weather22°C (73°F)108 mm (4.2 inches)81%extreme
June Weather25°C (78°F)141 mm (5.6 inches)77%extreme
July Weather27°C (81°F)118 mm (4.6 inches)77%extreme
August Weather27°C (80°F)119 mm (4.7 inches)72%extreme
September Weather25°C (77°F)85 mm (3.3 inches)73%very high
October Weather20°C (68°F)126 mm (4.9 inches)73%high
November Weather12°C (54°F)82 mm (3.2 inches)85%high
December Weather10°C (50°F)139 mm (5.5 inches)88%moderate

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