December Weather in Silverton, United States

Last updated: February 24, 2025

In December, Silverton, United States, experiences a noteworthy winter landscape characterized by chilly temperatures. The average temperature hovers around -9°C (17°F), with maximums reaching 9°C (48°F) and plunging to minimums of -25°C (-12°F), creating a stark contrast that's typical for the season. The month brings an average precipitation of 74 mm (2.9 in) over the course of 11 days, contributing to the region's 85% humidity. This blend of cold temperatures and moisture results in a uniquely crisp atmosphere, perfect for winter activities and scenic exploration.

December Temperature in Silverton

In December, Silverton, United States, experiences a stark chill as temperatures reach a minimum of -25°C (-12°F) and average around -9°C (17°F). This winter month showcases a gradual warming trend as it transitions from the harsher conditions of November, yet still maintains a maximum of 9°C (48°F)—much colder than the milder summer highs. The overall downward trend in temperatures from October through December highlights the deepening cold of winter, providing a striking contrast to the balmy temperatures earlier in the year. As the month progresses, residents can expect persistent frosty mornings and crisp afternoons, setting the stage for a quintessential snowy season.

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.
JanFebMarAprMayJunJulAugSepOctNovDec171824303749545347342416
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 December, Silverton experiences a notable shift as precipitation totals reach 74 mm (2.9 in), marking a wetter finale to the year compared to the preceding months. This amount falls within a steady pattern, as December typically has 11 days of rainfall, contributing to a consistent winter climate. With precipitation peaking in the summer months, particularly in July with 190 mm (7.5 in), December's moderate rain serves as a reminder of the region's varied climate throughout the year. Following November's relatively drier patterns, the transition to December's precipitation highlights the onset of winter, ensuring that Silverton remains lush and vibrant even as temperatures drop.

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.
JanFebMarAprMayJunJulAugSepOctNovDec63831056569421908671605374
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Silverton

December in Silverton sees humidity levels returning to their peak, with a notable 85%, mirroring the high moisture of the preceding January and November. This month marks a clear transition from the drier summer months, where July and August recorded their lowest levels at 36% and 44%, respectively. As the calendar year closes, the humidity gradually climbs from the 40% range in June and July to a much more humid 83% by November. This trend reflects Silverton's climate oscillating between crisp, dry conditions and the heavy moisture of late fall and winter, creating a unique atmospheric character that defines its annual weather narrative.

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, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%76%69%53%40%36%44%59%74%83%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Silverton

In December, Silverton experiences a moderate UV Index of 4, signaling a dip in sun intensity compared to the peak summer months. With a burn time of 30 minutes, it's a time when outdoor activities are a bit safer for those seeking winter adventures. This gentle phase follows several months of extreme UV levels, particularly from April through August, where skin protection was crucial with burn times plummeting to just 10 minutes. As the year winds down, the decreased UV exposure offers residents and visitors a reprieve, though caution is still wise. For those curious about UV trends throughout the year, explore more at Silverton UV Index.

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.
JanFebMarAprMayJunJulAugSepOctNovDec4710121314131211864
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.

December Sunshine in Silverton

In December, Silverton basks in a gentle embrace of 219 hours of sunshine, offering a refreshing contrast as the year draws to a close. This month sees a gradual decline from the sun-drenched heights of May and June, when daylight peaked at 362 and 376 hours, respectively. As we transition into winter, the hours of sunlight wane, yet December's brightness still outshines the chilly grip of January's 173 hours. This trend reveals a rhythm of nature, where the vibrant spring and summer months yield to cozy fall and winter vibes, inviting residents and visitors alike to enjoy the uniquely sparkling beauty of Silverton even as the days grow shorter.

Monthly Sunshine Duration in Silverton: December Highlighted

The December sunshine duration represents the total number of hours Silverton experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec173h216h284h322h362h376h365h352h310h281h247h219h
Data source: Silverton December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Silverton During December

In Silverton, the likelihood of sunny weather sees a notable decline as December arrives, with the chance of sun dropping to 47%. This shift contrasts sharply with the preceding months, where the sun shines more frequently, most notably in September and November, boasting 66% and 69% respectively. The transition from late fall to winter marks a downward trend in sunshine, as December sits among the months with the lowest percentages, just above February at 46%. Despite the seasonal change, the potential for clear skies during this month remains, making sunny days a cherished treat amidst the winter chill.

Percentage of Sunny Days in December in Silverton

The chart illustrates the percentage of sunny days in Silverton throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Silverton experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%46%50%59%56%61%46%64%66%54%69%47%
Data source: Silverton December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Silverton in December

In Silverton, the daylight duration reflects the seasonal changes that beautifully capture the essence of each month. As the year begins, December's 9 hours of daylight signal the shortest days, transitioning into longer hours as winter releases its grip and spring approaches. January and February mirror this trend, with daylight gradually increasing to 10 hours by February. As we move into March and April, the days extend even further, reaching 13 hours in April, allowing residents to relish the vibrant emergence of spring. The summer months of May, June, and July showcase the peak of daylight, offering a generous 14 hours for outdoor adventures. As the year begins to wind down, daylight gently recedes; by November, it diminishes to 10 hours, echoing the year's cyclical rhythm, before concluding again in December with a return to its shorter span. This cyclical pattern not only marks the passage of time but also enriches the local experience with each changing season.

Average Daylight Hours in Silverton for December

The chart illustrates the variation in daylight duration in Silverton throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 52m10h 48m11h 59m13h 12m14h 13m14h 43m14h 27m13h 32m12h 22m11h 9m10h 6m9h 34m
Data source: Silverton daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Silverton

As December arrives in Silverton, the average wind speed picks up the pace, reaching 2.6 m/s (6 mph). This slight increase marks a seasonal trend where the winds become more pronounced heading into winter. Notably, December ties with April as one of the windiest months of the year, a contrast to the calmer summer months, particularly July, which drifts to a mere 1.5 m/s (3 mph). Interestingly, the winds throughout the transition from summer to winter maintain a gentle rhythm, fluctuating around 2.1 to 2.5 m/s in the fall. As the year closes, the invigorating December winds breathe life into the winter landscape, offering a refreshing shift that highlights the dynamic character of Silverton’s climate.

Average December Wind Speed in Silverton

The chart displays monthly wind speed patterns in Silverton, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.42.52.62.52.01.51.91.92.32.12.6 m/s
Data source: Silverton December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Silverton Compares to Other Months

The weather in Silverton changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Silverton and find detailed weather information for every month.

In December, temperatures range from a minimum of -25°C (-12°F) to a maximum of 9°C (48°F), with an average temperature of -9°C (17°F). The month sees a total precipitation of 74 mm (2.9 in) over about 11 days, coupled with a humidity level of 85%.

Conversely, January exhibits slightly milder conditions, with a minimum temperature of -24°C (-12°F) and a maximum of 4°C (40°F), while maintaining the same average temperature of -9°C (17°F). Precipitation in January decreases to 63 mm (2.5 in) over 10 days, yet the humidity remains steady at 85%. This highlights a subtle shift in weather patterns as the new year begins. For more details, check out Silverton weather in January.

December and February both experience frigid temperatures, though February is slightly colder with a minimum temperature of -26°C (-15°F) compared to December's -25°C (-12°F). On average, February is just a bit warmer, with mean temperatures of -8°C (18°F) versus December's -9°C (17°F). Precipitation is also higher in February, with 83 mm (3.3 in) falling over 13 days, compared to December's 74 mm (2.9 in) over 11 days. Humidity levels are nearly identical, with February averaging 86% and December 85%. For a detailed look at February weather specifics, check out Silverton weather in February.

In December, temperatures can drop significantly, with minimums reaching as low as -25°C (-12°F) and an average of -9°C (17°F). The month sees approximately 74 mm (2.9 in) of precipitation over 11 days, accompanied by high humidity levels of 85%. In contrast, March experiences slightly milder temperatures, with a minimum of -23°C (-9°F) and an average of -4°C (25°F). Additionally, March tends to be wetter, with 105 mm (4.1 in) of precipitation spread over 14 days, and lower humidity at 76%. Both months can have a maximum temperature capped at 9°C (48°F). For a detailed look at weather conditions during this time, visit Silverton weather in March.

In December, the weather is noticeably colder, with average temperatures hovering around -9°C (17°F) and a maximum of only 9°C (48°F). The month experiences high humidity levels at 85% and receives about 74 mm (2.9 in) of precipitation over approximately 11 days. In contrast, April brings milder conditions, with an average temperature of -1°C (30°F) and highs reaching 11°C (52°F). Although it’s slightly less rainy, April still sees about 65 mm (2.5 in) of precipitation across 12 days, and humidity drops to 69%. For more details on April weather, you can visit Silverton weather in April.

December's weather in Silverton is characterized by frigid temperatures, with a minimum of -25°C (-12°F) and an average of -9°C (17°F), peaking at a maximum of 9°C (48°F). Humidity is high at 85%, and precipitation occurs on approximately 11 days, amounting to 74 mm (2.9 in). In contrast, May brings a significant warming trend, where temperatures range from a minimum of -12°C (11°F) to an average of 3°C (37°F) and a maximum of 17°C (63°F). May experiences slightly less precipitation at 69 mm (2.7 in), with rain falling on about 10 days and humidity dropping to a more comfortable 53%. For more details on conditions during this month, visit Silverton weather in May.

December and June present starkly contrasting weather conditions. In December, temperatures can plummet to a minimum of -25°C (-12°F), averaging around -9°C (17°F) and reaching a maximum of 9°C (48°F). The month is characterized by higher humidity at 85% and considerable precipitation over 11 days, totaling 74 mm (2.9 in). In contrast, June experiences milder temperatures, with a minimum of -8°C (18°F) and an average of 9°C (49°F), peaking at 23°C (74°F). The humidity drops significantly to 40%, and precipitation is less frequent, averaging 42 mm (1.6 in) over just 8 days. For a more detailed look at the climate in June, visit Silverton weather in June.

December and July exhibit stark contrasts in weather patterns. In December, temperatures can plummet as low as -25°C (-12°F), with an average of -9°C (17°F) and a maximum of 9°C (48°F). This winter month often sees high humidity levels at 85%, along with precipitation occurring over 11 days, totaling 74 mm (2.9 inches). In contrast, July brings a much milder climate, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 24°C (75°F), averaging around 12°C (54°F). July also experiences more precipitation, totaling 190 mm (7.5 inches) over 20 days, but with significantly lower humidity at 36%. For a closer look at the specifics of July weather, check out Silverton weather in July.

December and August present stark contrasts in weather. December is characterized by frigid temperatures, with a minimum of -25°C (-12°F) and an average of -9°C (17°F), while August experiences milder conditions, with a minimum of only -1°C (31°F) and an average of 12°C (53°F). Precipitation levels are relatively similar, with December receiving 74 mm (2.9 in) over 11 days, compared to August’s 86 mm (3.4 in) across 14 days. Additionally, December's humidity is significantly higher at 85%, whereas August maintains a much drier atmosphere at 44%. For more detailed information, you can check out Silverton weather in August.

In December, the weather in Silverton is characterized by significantly lower temperatures, with a minimum of -25°C (-12°F) and an average of -9°C (17°F), compared to September's milder temperatures, where the minimum reaches -17°C (2°F) and the average is a much warmer 8°C (47°F). December also sees a maximum temperature of only 9°C (48°F), while September can climb to a comfortable 22°C (72°F). Precipitation is comparable in both months, with December receiving 74 mm (2.9 in) and September slightly less at 71 mm (2.8 in), but the humidity in December is notably higher at 85%, compared to 59% in September. For more detailed insights into September weather, visit Silverton weather in September.

December and October exhibit distinct weather patterns, with October generally being milder. In October, temperatures range from a minimum of -25°C (-13°F) to a maximum of 17°C (63°F), with an average temperature of 1°C (34°F) and about 60 mm (2.4 in) of precipitation over 9 days. In contrast, December is colder, featuring a minimum temperature of -25°C (-12°F) and an average of -9°C (17°F), with a maximum of 9°C (48°F). The precipitation increases slightly to 74 mm (2.9 in) over 11 days and humidity rises to 85%. For a more detailed look at October weather, you can check out Silverton weather in October.

In comparing the weather between November and December, December tends to be slightly milder with an average temperature of -9°C (17°F) compared to November's average of -4°C (25°F). While December sees a minimum temperature of -25°C (-12°F), November's low dips to -26°C (-14°F), making both months quite chilly. However, December experiences more precipitation, totaling 74 mm (2.9 in) over 11 days, in contrast to November's 52 mm (2.1 in) over 7 days. The humidity levels are also relatively high in both months, with December at 85% and November at 83%. For a more detailed understanding of November's conditions, check out Silverton weather in November.

Compare Silverton's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Silverton

In December, Silverton’s weather takes a notable turn, characterized by cold temperatures that can plunge well below freezing. The chill is intensified by high humidity levels, resulting in a stark contrast to the milder autumn months. With average temperatures lingering around -9°C, the landscape often transforms into a winter wonderland, marked by significant precipitation that can fall as snow on multiple days throughout the month. This seasonal shift not only creates a dramatic change in the local climate but also invites winter enthusiasts to enjoy various outdoor activities. For those curious about the broader climate patterns, be sure to explore Silverton Climate.