December Weather in Saltillo, Mexico

Last updated: April 22, 2025

In Saltillo, Mexico, December brings a mild climate characterized by a maximum temperature of 32°C (90°F), an average of 23°C (73°F), and a minimum of 15°C (60°F). This month experiences 68 mm (2.7 in) of precipitation over approximately 13 days, contributing to a notably humid atmosphere with levels reaching 85%. While the warmth can still be felt, the occasional rainfall adds a refreshing touch to the city's winter scenery, making December a unique time to experience Saltillo's charm.

December Temperature in Saltillo

In December, Saltillo, Mexico experiences mild temperatures that mark a transition into winter. The minimum temperature settles around 15°C (60°F), while the average climbs to a comfortable 23°C (73°F). As daytime warms, the maximum temperature can reach up to 32°C (90°F), offering a pleasant contrast to the cooler evenings. This month's climate reflects a general trend of gradually cooling temperatures as the year draws to a close, with December providing a refreshing respite before the colder depths of winter. It's an ideal time for outdoor activities, as the typically dry weather complements the festive atmosphere unique to this vibrant city.

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.
JanFebMarAprMayJunJulAugSepOctNovDec727476808382818181797573
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 December, Saltillo experiences a gentle decline in precipitation, receiving an average of 68 mm (2.7 in) of rainfall over approximately 13 days, marking a shift from the wetter months that preceded it. This decline follows a notably rainy fall, where September and October amassed 248 mm (9.8 in) and 231 mm (9.1 in), respectively. While December's precipitation is relatively modest, it signals the transition towards drier winter months, characterized by progressively fewer rainy days and lighter rainfall amounts. Thus, as the year concludes, residents can expect a quieter climatic pattern, setting the stage for the upcoming dry season.

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.
JanFebMarAprMayJunJulAugSepOctNovDec835334305523417422124823115968
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, Mexico, December marks the peak of humidity, with levels rising to 85%, a notable increase from the preceding months. This seasonal elevation aligns with a gradual trend observed throughout the year: humidity consistently hovers around the high 70s to low 80s, particularly from January to March and again seen in October. The months of April to June bring slightly drier conditions, yet humidity steadily climbs as the year wraps up. This pattern culminates in November's 84%, setting the stage for December's peak. As the year closes, residents experience a significant surge in moisture, creating a unique, cool atmosphere that characterizes Saltillo's winter months.

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, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%76%74%74%74%79%80%79%81%84%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Saltillo

As December rolls in, Saltillo, Mexico, experiences a slightly lower UV Index, registering at 8 with a classification of very high. This trend marks a gradual shift from the extreme levels seen in the preceding months, where the UV Index peaked at 14 during the summer. However, even in December, sun protection remains essential, as the burn time is limited to 15 minutes. The overall pattern indicates that while winter brings a reprieve, UV exposure is still a critical consideration. For more detailed information on staying sun-safe, visit Saltillo UV Index.

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.
JanFebMarAprMayJunJulAugSepOctNovDec911121313141413131298
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.

December Sunshine in Saltillo

In Saltillo, Mexico, December welcomes a cozy retreat from the chill, with 261 hours of sunshine that gently bask the city in warm light. As temperatures dip, sunshine hours gradually decline from the peak of 328 hours in May, which marks the region's sunniest stretch of the year. Notably, the months leading up to December display a consistent decline, beginning with 309 hours in July and tapering off to the final count. Despite the reduction, the golden rays continue to shine brightly in December, offering a perfect blend of mild weather and inviting landscapes for those seeking a serene getaway amidst seasonal festivities.

Monthly Sunshine Duration in Saltillo: December Highlighted

The December sunshine duration represents the total number of hours Saltillo experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec200h247h302h309h328h285h309h305h285h276h268h261h
Data source: Saltillo December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saltillo During December

In Saltillo, Mexico, December heralds a promising shift in weather, boasting a 65% chance of sunny days, making it one of the sunniest months of the year. As the year draws to a close, the likelihood of clear skies increases significantly, contrasting sharply with the summer months, which see much lower chances of sunshine. With February and March also enjoying high sun probabilities of 61% and 68%, respectively, the trend indicates that winter is a favorable time for sunny weather in this vibrant region. So, if you're planning a visit in December, expect more sunshine than in the preceding months, lending a cheerful warmth to the festive season.

Percentage of Sunny Days in December in Saltillo

The chart illustrates the percentage of sunny days in Saltillo throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Saltillo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%61%68%61%40%14%33%28%17%34%50%65%
Data source: Saltillo December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saltillo in December

In Saltillo, Mexico, daylight duration experiences subtle shifts throughout the year, creating a rhythm that complements the changing seasons. As the year begins in January and February, the city enjoys a consistent 11 hours of daylight, providing a gentle start to the year. By March, daylight begins to stretch to 12 hours, peaking during the warm months of June and July, when the sun graces the skies for an impressive 13 hours each day. This extended daylight invites outdoor activities and social gatherings. As summer yields to fall, daylight gradually contracts, returning to 12 hours in August and September, and tapering back to 11 hours in October and November. Finally, December closes the year with another 11 hours of daylight, echoing the winter's onset and inviting a season of reflection before the cycle begins anew. This consistent yet dynamic interplay of light serves as a reminder of the natural beauty that defines Saltillo's climate.

Average Daylight Hours in Saltillo for December

The chart illustrates the variation in daylight duration in Saltillo throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 9m11h 32m12h 2m12h 33m12h 58m13h 11m13h 4m12h 41m12h 12m11h 42m11h 15m11h 2m
Data source: Saltillo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Saltillo

In Saltillo, Mexico, the December winds gently blow at an average speed of 2.1 m/s (5 mph), maintaining a consistency that reflects the trends of the last months. Notably, the wind speed during December matches that of November, hinting at a subtle shift from the stronger breezes of earlier spring months like March, which peaks at 3.0 m/s (7 mph). As the year winds down, the average speeds stabilize around 2.0 to 2.5 m/s, particularly from late autumn through the winter, creating a tranquil atmosphere that complements the crisp air of the season. This gradual decline in the wind's vigor sets a serene backdrop for the holiday festivities that define this charming city during December.

Average December Wind Speed in Saltillo

The chart displays monthly wind speed patterns in Saltillo, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.53.02.92.71.82.11.91.92.02.12.1 m/s
Data source: Saltillo December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Saltillo Compares to Other Months

The weather in Saltillo changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Saltillo and find detailed weather information for every month.

In comparing December and January weather, both months are characterized by relatively warm temperatures, with December averaging 23°C (73°F) and January slightly cooler at 22°C (72°F). December features a maximum temperature of 32°C (90°F), while January just edges higher with a maximum of 33°C (91°F). Precipitation increases in January to 83 mm (3.3 in) over 12 days, compared to December's 68 mm (2.7 in) over 13 days, indicating that January tends to be wetter overall. Humidity decreases slightly from 85% in December to 81% in January, suggesting a marginally less humid experience in the new year. For a more detailed look, you can check out Saltillo weather in January.

In December, the weather is characterized by a minimum temperature of 15°C (60°F) and an average high of 32°C (90°F), with an average humidity of 85% and substantial rainfall of 68 mm (2.7 in) over 13 days. In contrast, February maintains similar minimum and average temperatures, with a maximum increasing slightly to 33°C (92°F), and less precipitation at 53 mm (2.1 in) over 10 days. The humidity also sees a slight decrease to 80%. Overall, February tends to be slightly drier and warmer than December. For more detailed information, visit Saltillo weather in February.

In December, the weather experiences a mild heat with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 32°C (90°F), averaging around 23°C (73°F). This month also sees considerable humidity at 85% and a total precipitation of 68 mm (2.7 in) over 13 days. In contrast, March brings even warmer temperatures, with a minimum of 16°C (61°F), an average of 25°C (77°F), and a peak of 36°C (97°F). The humidity decreases to 76%, and rainfall is reduced to 34 mm (1.3 in) across just 7 days. For more details on weather conditions, check out Saltillo weather in March.

In December, the weather features milder temperatures with a minimum of 15°C (60°F) and an average of 23°C (73°F), while maxing out at 32°C (90°F). The month experiences quite a bit of rainfall, totaling 68 mm (2.7 in) with precipitation on 13 days, and it maintains high humidity at 85%. In contrast, April delivers warmer conditions, starting at a minimum of 18°C (65°F) and averaging 27°C (80°F), reaching highs of up to 38°C (100°F). This month sees significantly less rainfall, with only 30 mm (1.2 in) over 6 days, and the humidity drops to a more comfortable 74%. For a more detailed look at the climate during this time, check out Saltillo weather in April.

December and May showcase noticeable differences in weather patterns. In December, temperatures range from a minimum of 15°C (60°F) to a maximum of 32°C (90°F), with an average of 23°C (73°F). The month experiences higher humidity levels at 85% and receives 68 mm (2.7 in) of precipitation over 13 days. In contrast, May is warmer, with temperatures ranging from a minimum of 19°C (67°F) to a scorching maximum of 38°C (100°F), and an average of 28°C (83°F). This month has lower humidity at 74% and slightly less precipitation, totaling 55 mm (2.2 in) over 11 days. For further details on the climate, you can visit Saltillo weather in May.

In December, the weather is relatively mild with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 32°C (90°F), averaging around 23°C (73°F). This month sees moderate precipitation of 68 mm (2.7 in) over approximately 13 days, accompanied by high humidity levels of 85%.

In contrast, June experiences much warmer temperatures, with a minimum of 23°C (73°F) and a peak of 37°C (98°F), averaging 28°C (82°F). However, June is also significantly wetter, with precipitation totaling 234 mm (9.2 in) across about 24 days, while humidity drops to 74%.

For a detailed overview of the weather in June, you can visit Saltillo weather in June.

December and July present contrasting weather patterns. In December, temperatures range from a comfortable minimum of 15°C (60°F) to a maximum of 32°C (90°F), with an average of 23°C (73°F). The month sees about 68 mm (2.7 in) of precipitation over 13 days and maintains a high humidity level of 85%. In contrast, July is warmer, with minimum temperatures starting at 23°C (73°F) and peaking at 34°C (94°F), averaging around 27°C (82°F). This month experiences significantly more rainfall, totaling 174 mm (6.8 in) over 24 days, though humidity is slightly lower at 79%. For a detailed comparison, you can check Saltillo weather in July.

In December, the weather is generally cooler and more pleasant, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 32°C (90°F) and an average of 23°C (73°F). The month experiences about 68 mm (2.7 in) of precipitation over 13 days, accompanied by high humidity levels of 85%. In contrast, August is warmer and rainier, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 34°C (94°F) and an average of 27°C (81°F). August sees significantly higher rainfall totaling 221 mm (8.7 in) over 25 days, with slightly lower humidity at 80%. For more specific insights on August weather, visit Saltillo weather in August.

In December, the weather in Saltillo features milder temperatures, with minimums around 15°C (60°F) and maximums reaching 32°C (90°F), providing a comfortable average of 23°C (73°F). The humidity is higher at 85%, and the month experiences around 68 mm (2.7 in) of precipitation over 13 days. In contrast, September tends to be warmer overall, with minimum temperatures of 22°C (72°F), averages of 27°C (81°F), and maximums peaking at 34°C (94°F). However, September is also much wetter, receiving 248 mm (9.8 in) of rain over 26 days, while humidity is comparatively lower at 79%. For a more detailed look at September's weather, check out Saltillo weather in September.

In December, the weather tends to be milder compared to October, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 32°C (90°F). Humidity levels are relatively high at 85%, but precipitation is significantly lower, totaling 68 mm (2.7 in) over 13 days. In contrast, October experiences warmer temperatures, with averages from 19°C (66°F) to 34°C (93°F), along with much heavier rainfall at 231 mm (9.1 in) across 22 days. This makes October a wetter month overall, yet still somewhat humid at 81%. For more details on this contrast, check out Saltillo weather in October.

In comparing the weather between November and December, we observe a slight decrease in minimum temperatures, with December recording a minimum of 15°C (60°F) compared to November's 17°C (62°F). Average temperatures also dip slightly from 24°C (75°F) in November to 23°C (73°F) in December, although the maximum temperature remains consistent at 32°C (90°F) for both months. Notable is the significant reduction in precipitation, with December experiencing only 68 mm (2.7 in) over 13 days, contrasted with November's 159 mm (6.3 in) over 18 days. Humidity levels are comparable, with December at 85% and November at 84%. For more detailed information on November weather, you can visit Saltillo weather in November.

Compare Saltillo's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Saltillo

As December unfolds in Saltillo, the weather brings a refreshing contrast to the warmer months. With mild temperatures averaging around 23°C, both daytime and nighttime experiences become more comfortable, encouraging outdoor activities. While precipitation is more frequent, with about half the month potentially bringing rain, the high humidity levels linger, creating a unique but cozy atmosphere. This blend of variable conditions sets December apart from the hotter months, offering a perfect opportunity to savor the city's charm. For those interested in detailed insights into the seasonal variations, check out Saltillo Climate.