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December Weather in Saltillo, United States

Last updated: June 24, 2025

In December, the average temperature in Saltillo, United States hovers around 9°C (48°F). You'll experience a range from a chilly -6°C (21°F) to a warm 24°C (76°F). Expect 152 mm (6.0 in) of rainfall over about 10 days, contributing to an average humidity of 88%.

December Temperature in Saltillo

In December, in Saltillo, the average temperature is 9°C (48°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop as low as -6°C (21°F). This variability in temperature makes Saltillo a destination where travelers should be prepared for a range of weather conditions.

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

The chart illustrates December temperature patterns in Saltillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saltillo, December typically has an average temperature of 9°C (48°F), with highs reaching up to 24°C (76°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec444856627278818076655148
Data source: Temperature data for Saltillo 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 Saltillo

In Saltillo in December, the total precipitation amount is 152 mm (6.0 in), observed over a period of 10 days.

December Precipitation Trends in Saltillo

The chart displays monthly precipitation patterns in Saltillo, 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 Saltillo, December typically receives around 152 mm (6.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec12419116114811314011911411611278152
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Saltillo

In Saltillo in December, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

December Average Humidity in Saltillo

This chart illustrates the average monthly humidity levels in Saltillo, 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 Saltillo is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saltillo

In Saltillo 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 Saltillo for better planning.

Maximum UV Index Levels in Saltillo for December

The chart shows the monthly maximum UV Index (UVI) for Saltillo 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 Saltillo typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109764
Data source: Saltillo 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 Saltillo Compares to Other Months

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

This table compares monthly weather conditions in Saltillo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)124 mm (4.9 inches)86%moderate
February Weather9°C (49°F)190 mm (7.5 inches)85%high
March Weather14°C (57°F)161 mm (6.3 inches)84%very high
April Weather16°C (62°F)148 mm (5.8 inches)81%very high
May Weather22°C (72°F)113 mm (4.5 inches)83%extreme
June Weather26°C (78°F)140 mm (5.5 inches)83%extreme
July Weather27°C (81°F)119 mm (4.7 inches)80%extreme
August Weather27°C (80°F)114 mm (4.5 inches)73%very high
September Weather24°C (76°F)116 mm (4.6 inches)70%very high
October Weather18°C (66°F)112 mm (4.4 inches)73%high
November Weather11°C (51°F)78 mm (3.1 inches)85%high
December Weather9°C (48°F)152 mm (6.0 inches)88%moderate

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