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December Weather in Darrington, United States

Last updated: June 24, 2025

In December, the average temperature in Darrington, United States hovers around -1°C (31°F). Expect chilly conditions where the temperature can dip as low as -19°C (-1°F), but may also rise to a maximum of 8°C (47°F). With an average precipitation amount of 366 mm (14.4 in) over 21 days, and humidity levels averaging 89%, be prepared for a damp and brisk atmosphere!

December Temperature in Darrington

In December in Darrington, the average temperature is -1°C (31°F). The maximum can reach 8°C (47°F) and the minimum can be as low as -19°C (-1°F). Be prepared for cold weather and dress in layers if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Darrington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Darrington, December typically has an average temperature of -1°C (31°F), with highs reaching up to 8°C (47°F) and lows dropping to around -19°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec312935404954596053423630
Data source: Temperature data for Darrington 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 Darrington

In Darrington in December, the total precipitation amount is 366 mm (14.4 in) recorded over a span of 21 days.

December Precipitation Trends in Darrington

The chart displays monthly precipitation patterns in Darrington, 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 Darrington, December typically receives around 366 mm (14.4 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec3213392442021181074538154285398366
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Darrington

In Darrington in December humidity is 89%. With an average temperature of -1°C (31°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and urging you to seek warmth indoors.

December Average Humidity in Darrington

This chart illustrates the average monthly humidity levels in Darrington, 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 Darrington is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%88%86%82%82%85%77%76%88%88%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Darrington

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

Maximum UV Index Levels in Darrington for December

The chart shows the monthly maximum UV Index (UVI) for Darrington 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 Darrington typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799987532
Data source: Darrington 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 Darrington Compares to Other Months

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

This table compares monthly weather conditions in Darrington, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)321 mm (12.6 inches)87%low
February Weather-2°C (29°F)339 mm (13.3 inches)86%moderate
March Weather2°C (35°F)244 mm (9.6 inches)88%moderate
April Weather5°C (41°F)202 mm (7.9 inches)86%high
May Weather9°C (49°F)118 mm (4.7 inches)82%very high
June Weather12°C (54°F)107 mm (4.2 inches)82%very high
July Weather15°C (59°F)45 mm (1.8 inches)85%very high
August Weather15°C (60°F)38 mm (1.5 inches)77%very high
September Weather12°C (54°F)154 mm (6.1 inches)76%high
October Weather6°C (43°F)285 mm (11.2 inches)88%moderate
November Weather2°C (36°F)398 mm (15.7 inches)88%moderate
December Weather-1°C (31°F)366 mm (14.4 inches)89%low

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