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December Weather in Sutherlin, United States

Last updated: June 24, 2025

In December, the average temperature in Sutherlin, United States hovers around 4°C (40°F). Expect a chilly minimum of -6°C (21°F), while temperatures can rise to a pleasant 19°C (66°F). This month also sees an average precipitation of 169 mm (6.7 in) spread over 18 days, contributing to an average humidity of 87%. Be sure to prepare for a mix of cold and wet weather!

December Temperature in Sutherlin

In December in Sutherlin, the average temperature is 4°C (40°F). The maximum can reach 19°C (66°F), while the minimum can drop as low as -6°C (21°F). Be sure to pack layers to stay comfortable during your travels.

December Weather in Sutherlin: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sutherlin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sutherlin, December typically has an average temperature of 4°C (40°F), with highs reaching up to 19°C (66°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec414145505662686963534640
Data source: Temperature data for Sutherlin 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.

December Precipitation in Sutherlin

In Sutherlin in December, the precipitation amount is 169 mm (6.7 in) spread over 18 days.

December Precipitation Trends in Sutherlin

The chart displays monthly precipitation patterns in Sutherlin, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Sutherlin, December typically receives around 169 mm (6.7 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec1581991411316540267087135169
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sutherlin

In Sutherlin in December humidity is 87%. With an average temperature of 4°C (40°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it essential to dress warmly and prepare for damp conditions, which can dampen your spirits while traveling.

December Average Humidity in Sutherlin

This chart illustrates the average monthly humidity levels in Sutherlin, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Sutherlin is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sutherlin

In Sutherlin in December, 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 Sutherlin, you can visit Hourly UV Index in Sutherlin.

Maximum UV Index Levels in Sutherlin for December

The chart shows the monthly maximum UV Index (UVI) for Sutherlin in December, 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 December, the maximum UV index in Sutherlin typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246710101098532
Data source: Sutherlin December 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 December Weather in Sutherlin Compares to Other Months

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

This table compares monthly weather conditions in Sutherlin, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)158 mm (6.2 inches)84%low
February Weather5°C (41°F)199 mm (7.8 inches)85%moderate
March Weather7°C (45°F)141 mm (5.6 inches)86%high
April Weather10°C (50°F)131 mm (5.2 inches)83%high
May Weather13°C (56°F)65 mm (2.5 inches)83%very high
June Weather17°C (63°F)40 mm (1.6 inches)83%very high
July Weather20°C (68°F)2 mm (0.1 inches)78%very high
August Weather20°C (69°F)6 mm (0.2 inches)67%very high
September Weather17°C (63°F)70 mm (2.8 inches)66%very high
October Weather11°C (53°F)87 mm (3.4 inches)77%moderate
November Weather8°C (46°F)135 mm (5.3 inches)87%moderate
December Weather4°C (40°F)169 mm (6.7 inches)87%low

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