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December Weather in Twisp, United States

Last updated: June 24, 2025

In December, the average temperature in Twisp, United States hovers around -3°C (26°F), with extremes ranging from a minimum of -22°C (-7°F) to a maximum of 13°C (56°F). Visitors can expect around 94 mm (3.7 in) of precipitation over approximately 13 days, alongside a high average humidity of 89%.

December Temperature in Twisp

In December in Twisp, the average temperature is -3°C (26°F). The maximum can reach 13°C (56°F), while the minimum can drop as low as -22°C (-7°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Twisp, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Twisp, December typically has an average temperature of -3°C (26°F), with highs reaching up to 13°C (56°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec252535435462696858433426
Data source: Temperature data for Twisp 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 Twisp

In Twisp in December, the precipitation amount is 94 mm (3.7 in) spread over 13 days.

December Precipitation Trends in Twisp

The chart displays monthly precipitation patterns in Twisp, 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 Twisp, December typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9675594838185530668394
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Twisp

In Twisp in December, humidity is 89%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring layered clothing to stay warm as you explore.

December Average Humidity in Twisp

This chart illustrates the average monthly humidity levels in Twisp, 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 Twisp 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 Twisp

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

Maximum UV Index Levels in Twisp for December

The chart shows the monthly maximum UV Index (UVI) for Twisp 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 Twisp typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246799997532
Data source: Twisp 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 Twisp Compares to Other Months

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

This table compares monthly weather conditions in Twisp, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)96 mm (3.8 inches)87%low
February Weather-4°C (25°F)75 mm (3.0 inches)86%moderate
March Weather2°C (35°F)59 mm (2.3 inches)88%high
April Weather6°C (44°F)48 mm (1.9 inches)86%high
May Weather12°C (55°F)38 mm (1.5 inches)82%very high
June Weather17°C (62°F)18 mm (0.7 inches)82%very high
July Weather21°C (70°F)5 mm (0.2 inches)85%very high
August Weather20°C (69°F)5 mm (0.2 inches)77%very high
September Weather14°C (58°F)30 mm (1.2 inches)76%high
October Weather6°C (43°F)66 mm (2.6 inches)88%moderate
November Weather1°C (34°F)83 mm (3.3 inches)88%moderate
December Weather-3°C (26°F)94 mm (3.7 inches)89%low

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