nomadseason

December Weather in Silverton, United States

Last updated: June 24, 2025

In Silverton, United States, the average temperature in December hovers around 5°C (41°F). Expect a chilly range with minimums dipping to -5°C (22°F) and occasional highs reaching 17°C (63°F). This month brings significant moisture, with a total precipitation of 224 mm (8.8 in) across 20 days, and humidity levels can feel quite intense at an average of 87%.

December Temperature in Silverton

In December in Silverton, the average temperature is 5°C (41°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -5°C (22°F). Travelers should pack layers to stay comfortable in the variable weather conditions.

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

The chart illustrates December temperature patterns in Silverton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Silverton, December typically has an average temperature of 5°C (41°F), with highs reaching up to 17°C (63°F) and lows dropping to around -5°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec414045505663697063524641
Data source: Temperature data for Silverton generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Silverton

In Silverton in December, the precipitation amount is 224 mm (8.8 in) spread over a period of 20 days.

December Precipitation Trends in Silverton

The chart displays monthly precipitation patterns in Silverton, 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 Silverton, December typically receives around 224 mm (8.8 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec18522516114971605790140181224
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Silverton

In Silverton in December humidity is 87%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket enveloping you, making every step seem laborious and the chill more biting, which can be quite challenging for traveling.

December Average Humidity in Silverton

This chart illustrates the average monthly humidity levels in Silverton, 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 Silverton is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%85%83%83%84%82%74%71%81%87%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Silverton

In Silverton 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 Silverton, you can visit Hourly UV Index in Silverton.

Maximum UV Index Levels in Silverton for December

The chart shows the monthly maximum UV Index (UVI) for Silverton 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 Silverton typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23579101097532
Data source: Silverton 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 Silverton Compares to Other Months

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

This table compares monthly weather conditions in Silverton, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)185 mm (7.3 inches)85%low
February Weather5°C (41°F)225 mm (8.8 inches)84%moderate
March Weather7°C (45°F)161 mm (6.3 inches)85%moderate
April Weather10°C (50°F)149 mm (5.9 inches)83%high
May Weather14°C (57°F)71 mm (2.8 inches)83%very high
June Weather17°C (63°F)60 mm (2.4 inches)83%very high
July Weather21°C (69°F)5 mm (0.2 inches)82%very high
August Weather21°C (70°F)7 mm (0.3 inches)74%very high
September Weather17°C (63°F)90 mm (3.5 inches)71%high
October Weather11°C (53°F)140 mm (5.5 inches)81%moderate
November Weather8°C (46°F)181 mm (7.1 inches)87%moderate
December Weather5°C (41°F)224 mm (8.8 inches)87%low

Compare Silverton's Climate with Cities Worldwide