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December Weather in Truchas, United States

Last updated: June 24, 2025

In December, the average temperature in Truchas, United States hovers around -3°C (26°F). However, be prepared for extremes, with minimums plummeting to -22°C (-8°F) and maxing out at a brisk 14°C (57°F). During this month, expect about 30 mm (1.2 in) of precipitation spread across 6 days, accompanied by an average humidity level of 79%.

December Temperature in Truchas

In December in Truchas, the average temperature is -3°C (26°F). Maximums can reach 14°C (57°F) and minimums can drop as low as -22°C (-8°F). Travelers should prepare for cold conditions and be ready for significant temperature fluctuations.

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

The chart illustrates December temperature patterns in Truchas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Truchas, December typically has an average temperature of -3°C (26°F), with highs reaching up to 14°C (57°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec242634435262646358463526
Data source: Temperature data for Truchas 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 Truchas

In Truchas in December, the total precipitation amount is 30 mm (1.2 in) spread across 6 days.

December Precipitation Trends in Truchas

The chart displays monthly precipitation patterns in Truchas, 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 Truchas, December typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec3435464052461548653433430
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Truchas

In Truchas in December, humidity is 79%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that seeps into your bones, making outdoor exploration brisk and invigorating, yet challenging for those unaccustomed to the cold dampness.

December Average Humidity in Truchas

This chart illustrates the average monthly humidity levels in Truchas, 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 Truchas is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%66%60%57%55%57%65%72%78%81%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Truchas

In Truchas 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 Truchas for better planning.

Maximum UV Index Levels in Truchas for December

The chart shows the monthly maximum UV Index (UVI) for Truchas 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 Truchas typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213131211864
Data source: Truchas 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 Truchas Compares to Other Months

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

This table compares monthly weather conditions in Truchas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)34 mm (1.4 inches)78%moderate
February Weather-3°C (26°F)35 mm (1.4 inches)79%high
March Weather1°C (34°F)46 mm (1.8 inches)66%very high
April Weather6°C (43°F)40 mm (1.6 inches)60%extreme
May Weather11°C (53°F)52 mm (2.0 inches)57%extreme
June Weather17°C (62°F)46 mm (1.8 inches)55%extreme
July Weather18°C (64°F)154 mm (6.0 inches)56%extreme
August Weather17°C (63°F)86 mm (3.4 inches)65%extreme
September Weather14°C (58°F)53 mm (2.1 inches)72%extreme
October Weather8°C (46°F)43 mm (1.7 inches)78%very high
November Weather2°C (36°F)34 mm (1.3 inches)81%high
December Weather-3°C (26°F)30 mm (1.2 inches)79%moderate

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