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December Weather in Silverton, United States

Last updated: June 24, 2025

In December, the average temperature in Silverton, United States hovers around 7°C (44°F). Expect a range from a chilling -10°C (15°F) to a warm 27°C (81°F). With an average precipitation of 23 mm (0.9 in) spread over 2 days, the weather is often damp, complemented by a high average humidity of 81%.

December Temperature in Silverton

In December in Silverton, the average temperature is 7°C (44°F). Maximums can reach 27°C (81°F), and minimums can be as low as -10°C (15°F). This wide range of temperatures suggests that travelers should prepare for both warm days and chilly nights during their visit.

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 7°C (44°F), with highs reaching up to 27°C (81°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec404253596978818073605044
Data source: Temperature data for Silverton 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 Silverton

In Silverton in December, the precipitation amount is 23 mm (0.9 in) over a span of 2 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 23 mm (0.9 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec191450427456365262501423
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Silverton

In Silverton in December humidity is 81%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress warmly while exploring.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%64%70%78%81%82%78%72%73%81%81%
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 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 Silverton for better planning.

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 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111112121110864
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 (40°F)19 mm (0.7 inches)75%moderate
February Weather5°C (42°F)14 mm (0.6 inches)76%high
March Weather12°C (53°F)50 mm (2.0 inches)64%very high
April Weather15°C (60°F)42 mm (1.6 inches)70%extreme
May Weather21°C (70°F)74 mm (2.9 inches)78%extreme
June Weather25°C (78°F)56 mm (2.2 inches)81%extreme
July Weather27°C (81°F)36 mm (1.4 inches)82%extreme
August Weather26°C (80°F)52 mm (2.1 inches)78%extreme
September Weather23°C (74°F)62 mm (2.5 inches)72%very high
October Weather16°C (60°F)50 mm (2.0 inches)73%very high
November Weather10°C (50°F)14 mm (0.6 inches)80%high
December Weather7°C (44°F)23 mm (0.9 inches)81%moderate

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