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December Weather in Sierra Madre, United States

Last updated: June 24, 2025

In December, the average temperature in Sierra Madre, United States hovers around 11°C (51°F), with nighttime lows dipping to 0°C (32°F) and daytime highs reaching up to 25°C (78°F). Expect about 77 mm (3.0 in) of precipitation over approximately 5 days, coupled with an average humidity level of 76%. Stay prepared for a mix of conditions!

December Temperature in Sierra Madre

In December in Sierra Madre, the average temperature is 11°C (51°F). Maximums can reach 25°C (78°F), and minimums can drop as low as 0°C (32°F). This climate makes it a great time for travelers to enjoy a mix of mild days and cooler evenings while exploring the area.

December Weather in Sierra Madre: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sierra Madre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sierra Madre, December typically has an average temperature of 11°C (51°F), with highs reaching up to 25°C (78°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec515153606371777773665951
Data source: Temperature data for Sierra Madre 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 Sierra Madre

In Sierra Madre in December, the precipitation amount is 77 mm (3.0 in) over the course of 5 days.

December Precipitation Trends in Sierra Madre

The chart displays monthly precipitation patterns in Sierra Madre, 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 Sierra Madre, December typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec78698424193586102577
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sierra Madre

In Sierra Madre in December, humidity is 76%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill that settles into your bones, making outdoor activities uncomfortable and potentially discouraging for traveling.

December Average Humidity in Sierra Madre

This chart illustrates the average monthly humidity levels in Sierra Madre, 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 Sierra Madre is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%76%68%58%52%46%39%48%59%72%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sierra Madre

In Sierra Madre 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 Sierra Madre for better planning.

Maximum UV Index Levels in Sierra Madre for December

The chart shows the monthly maximum UV Index (UVI) for Sierra Madre 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 Sierra Madre typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110754
Data source: Sierra Madre 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 Sierra Madre Compares to Other Months

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

This table compares monthly weather conditions in Sierra Madre, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)78 mm (3.1 inches)78%moderate
February Weather11°C (52°F)69 mm (2.7 inches)82%high
March Weather12°C (54°F)84 mm (3.3 inches)75%very high
April Weather15°C (60°F)24 mm (1.0 inches)68%very high
May Weather17°C (63°F)19 mm (0.7 inches)57%extreme
June Weather21°C (71°F)3 mm (0.1 inches)52%extreme
July Weather25°C (77°F)5 mm (0.2 inches)46%extreme
August Weather25°C (77°F)8 mm (0.3 inches)39%extreme
September Weather23°C (73°F)6 mm (0.2 inches)48%very high
October Weather19°C (66°F)10 mm (0.4 inches)59%high
November Weather15°C (59°F)25 mm (1.0 inches)72%moderate
December Weather11°C (51°F)77 mm (3.0 inches)76%moderate

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