December Weather in Entiat, United States

Last updated: June 24, 2025

In Entiat, United States, the average temperature in December hovers around -2°C (29°F). Expect chilly days, with minimum temperatures plummeting to -17°C (2°F) and highs reaching up to 13°C (55°F). Be prepared for a wet month, as 91 mm (3.6 in) of precipitation typically falls over 13 days, contributing to an average humidity of 88%.

December Temperature in Entiat

In December in Entiat, the average temperature is -2°C (29°F), with maximums reaching 13°C (55°F) and minimums dropping as low as -17°C (2°F). Travelers should be prepared for a mix of chilly and mild days, making it essential to pack warmly while also being ready for possible warmer spells.

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

The chart illustrates December temperature patterns in Entiat, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Entiat, December typically has an average temperature of -2°C (29°F), with highs reaching up to 13°C (55°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec282836445461686858453629
Data source: Temperature data for Entiat 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 Entiat

In Entiat in December, the precipitation amount is 91 mm (3.6 in) spread over 13 days.

December Precipitation Trends in Entiat

The chart displays monthly precipitation patterns in Entiat, 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 Entiat, December typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9685524530143428637491
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Entiat

In Entiat in December, humidity is 88%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill in the air that penetrates layers of clothing, making outdoor activities challenging and potentially uncomfortable for travelers.

December Average Humidity in Entiat

This chart illustrates the average monthly humidity levels in Entiat, 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 Entiat is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%87%84%81%82%79%63%62%83%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Entiat

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

Maximum UV Index Levels in Entiat for December

The chart shows the monthly maximum UV Index (UVI) for Entiat 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 Entiat typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467891097532
Data source: Entiat 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 Entiat Compares to Other Months

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

This table compares monthly weather conditions in Entiat, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)96 mm (3.8 inches)86%low
February Weather-2°C (28°F)84 mm (3.3 inches)86%moderate
March Weather2°C (36°F)52 mm (2.0 inches)87%high
April Weather7°C (44°F)45 mm (1.8 inches)84%high
May Weather12°C (55°F)30 mm (1.2 inches)81%very high
June Weather16°C (61°F)14 mm (0.6 inches)82%very high
July Weather20°C (68°F)3 mm (0.1 inches)79%very high
August Weather20°C (68°F)4 mm (0.2 inches)63%very high
September Weather15°C (58°F)28 mm (1.1 inches)62%high
October Weather7°C (45°F)63 mm (2.5 inches)83%moderate
November Weather2°C (36°F)74 mm (2.9 inches)89%moderate
December Weather-2°C (29°F)91 mm (3.6 inches)88%low

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