December Weather in Zacatecas, Mexico

Last updated: April 22, 2025

In Zacatecas, Mexico, December showcases a distinct range of temperatures, with maximums reaching 26°C (79°F) and minimums plummeting to -8°C (18°F), averaging around 12°C (54°F). This month experiences minimal precipitation, recording only 12 mm (0.5 in) over just one day, which adds to the allure of the relatively dry climate. With humidity levels hovering around 83%, the atmosphere can feel brisk, contrasting the mild daytime warmth. December in Zacatecas invites visitors to enjoy its unique weather dynamics, offering a blend of cool evenings and pleasantly warm afternoons.

December Temperature in Zacatecas

In December, Zacatecas, Mexico, experiences a notable shift in temperatures as winter sets in. With minimums dipping to -8°C (18°F), the chill is palpable, contrasting with an average of 12°C (54°F) and a pleasant maximum of 26°C (79°F). This month's temperature profile reflects a cooling trend as the year concludes, following the milder weather of November, which had minimums of -3°C (28°F) and similar averages. As daylight fades earlier and the nights grow colder, December in Zacatecas invites both warmth from festive gatherings and the briskness of winter air, making it a unique blend of comfort and chill.

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

The chart illustrates December temperature patterns in Zacatecas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545763667069666664625854
Data source: Temperature data for Zacatecas generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Zacatecas

In Zacatecas, Mexico, December sees a modest precipitation total of 12 mm (0.5 in), typically falling over just one day of the month. This low level of rainfall is part of a broader trend where December is one of the driest months, especially when compared to the summertime peak in July, which receives 149 mm (5.9 in). The transition from the rain-laden summer months to the drier winter season highlights the region's distinct climate variability, making December a relatively tranquil time for both residents and visitors, with the landscape often coated in a serene, crisp winter ambiance. As the year draws to a close, the decrease in precipitation aligns with an overall trend of declining rainfall, further emphasizing Zacatecas's unique weather patterns.

December Precipitation Trends in Zacatecas

The chart displays monthly precipitation patterns in Zacatecas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec179672611014989148481612
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Zacatecas

As December settles into Zacatecas, Mexico, humidity levels remain notably high, averaging 83%. This marks a continuation of a gradual rise in moisture that begins to peak mid-year, with a distinct pattern observed from the previous months. Starting from the cooler January humidity of 71%, the air become progressively more humid as the year unfolds, with July and August recording the highest levels at 82% and 83%, respectively. After a slight easing in October and November, December maintains that elevated humidity, aligning with the trend of increased moisture typical of the region's late year. The transition into winter contrasts with the drier months of March and April, illustrating how Zacatecas experiences a diverse climate spectrum, from arid to humid throughout the year.

December Average Humidity in Zacatecas

This chart illustrates the average monthly humidity levels in Zacatecas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec71%64%49%47%55%77%82%83%86%83%80%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Zacatecas

In December, Zacatecas experiences a moderately high UV Index of 8, indicating a very high exposure category that requires caution during outdoor activities. This month marks a slight decline from the peak extreme levels observed from February through October, where the UV Index soared to 15. Although burn time increases to 15 minutes, it’s essential to remember that the sun’s intensity can still lead to skin damage. As the year progresses, the UV index typically diminishes from its highest values in spring and summer, reflecting a seasonal trend that emphasizes protective measures during sun exposure. For further insights on UV levels throughout the year, visit Zacatecas UV Index.

Maximum UV Index Levels in Zacatecas for December

The chart shows the monthly maximum UV Index (UVI) for Zacatecas 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.
JanFebMarAprMayJunJulAugSepOctNovDec9111415151414141412108
Data source: Zacatecas 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 Zacatecas

In Zacatecas, Mexico, December offers a delightful 282 hours of sunshine, mirroring the cloudier months of both October and November. As the year winds down, the solar embrace begins to soften following the peak radiance of May, which boasts an impressive 350 hours of sunlight. The trend showcases a gradual increase in sunny days from January's 229 hours to April's vibrant 328 hours, before reaching a warm plateau during the summer months. This pattern indicates a seasonal rhythm, where daylight hours build to a crescendo in the spring and summer, ultimately providing a soothing yet bright close to the year as December invites visitors to bask in its gentle warmth.

Monthly Sunshine Duration in Zacatecas: December Highlighted

The December sunshine duration represents the total number of hours Zacatecas 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.
JanFebMarAprMayJunJulAugSepOctNovDec229h267h316h328h350h334h335h336h294h294h282h282h
Data source: Zacatecas December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Zacatecas During December

In December, Zacatecas, Mexico enjoys a pleasant likelihood of sunny weather, with the chance of sunshine hovering around 67%. This marks a continuation of the trend seen in the preceding months; November experiences a similar sun probability at 66%, while the months leading up to winter reflect a generally favorable pattern for those seeking bright days. Although December's sunshine potential falls slightly short of the high of 81% observed in February, it stands out positively against the cloudy spells of the summer months, where chances dip significantly to 28% in July and September. As the year draws to a close, December offers a charming balance of crisp weather and sunny skies, making it an appealing time to explore the region.

Percentage of Sunny Days in December in Zacatecas

The chart illustrates the percentage of sunny days in Zacatecas 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 Zacatecas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%81%68%67%69%41%28%44%28%51%66%67%
Data source: Zacatecas December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Zacatecas in December

As the year draws to a close, December in Zacatecas, Mexico, offers a return to shorter days, with daylight lasting approximately 10 hours. This decline from the peak of 13 hours in the summer months signifies a gradual transition, mirroring the shifting seasons. Notably, the daylight duration remains relatively stable throughout the earlier months, with 11 to 12 hours dominating from February to October. However, November and December mark a small dip, reflecting the winter solstice's influence as daylight wanes. As the sun’s presence ebbs, the enchanting charm of Zacatecas emerges in colder, festive settings, inviting locals and visitors alike to embrace the cozy beauty of this historic region.

Average Daylight Hours in Zacatecas for December

The chart illustrates the variation in daylight duration in Zacatecas throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 54m11h 23m12h 1m12h 41m13h 13m13h 29m13h 21m12h 52m12h 14m11h 35m11h 1m10h 44m
Data source: Zacatecas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Zacatecas

In Zacatecas, Mexico, the December winds whisper softly at an average speed of 2.6 m/s (6 mph), marking a gentle decline as the year draws to a close. This cooler month reflects a trend observed since mid-year, when wind speeds peaked in April at 4.1 m/s (9 mph). Following this high point, wind speeds gradually dipped through the warmer months and into the fall, reaching their annual low of 2.4 m/s (5 mph) in September. With December's calm breezes, residents and visitors alike can relish the serene atmosphere, as the crisp air hints at the approaching winter while providing a tranquil backdrop to the festive season.

Average December Wind Speed in Zacatecas

The chart displays monthly wind speed patterns in Zacatecas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.93.64.13.33.22.63.22.42.62.72.6 m/s
Data source: Zacatecas December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Zacatecas Compares to Other Months

The weather in Zacatecas 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 Zacatecas and find detailed weather information for every month.

In comparing December and January weather, December typically experiences a colder temperature range with a minimum of -8°C (18°F) and an average high of 26°C (79°F). Precipitation is minimal, averaging just 12 mm (0.5 in) over one day, coupled with a higher humidity level at 83%. In contrast, January sees a slight increase in the minimum temperature to -2°C (29°F), while maintaining a consistent average high of 26°C (78°F). Precipitation rises to 17 mm (0.7 in) spread over two days, and the humidity decreases to a more comfortable 71%. For more detailed weather information, you can visit Zacatecas weather in January.

In December, temperatures in Zacatecas range from a chilly minimum of -8°C (18°F) to a comfortable maximum of 26°C (79°F), with an average of 12°C (54°F). The month experiences relatively high humidity at 83%, accompanied by light precipitation totaling 12 mm (0.5 in) over just one day. Conversely, February brings a notable warming trend, with minimum temperatures rising to 1°C (34°F) and maximums reaching up to 29°C (85°F), averaging around 14°C (58°F). Humidity decreases significantly to 64%, and precipitation is slightly lower at 9 mm (0.4 in), also falling over one day. For more information on February weather in Zacatecas, visit Zacatecas weather in February.

In December, the weather is quite chilly, with temperatures ranging from a minimum of -8°C (18°F) to a comfortable maximum of 26°C (79°F) and an average of 12°C (54°F). The month experiences relatively low precipitation, only about 12 mm (0.5 in), and high humidity at 83%. In contrast, March brings a more temperate climate, featuring milder temperatures from a minimum of 4°C (40°F) to a much warmer maximum of 32°C (90°F), with an average temperature of 17°C (63°F). Precipitation is even lower in March at 6 mm (0.2 in), with humidity dropping to 49%. For more detailed information, you can check Zacatecas weather in March.

December and April present stark contrasts in weather. In December, temperatures can drop as low as -8°C (18°F) at night, with average highs around 12°C (54°F) and an occasional peak of 26°C (79°F). The month sees a higher humidity level at 83% and limited precipitation, totaling just 12 mm (0.5 in) over one day. In contrast, April experiences a milder climate, with minimum temperatures starting at 5°C (40°F) and average highs soaring to 19°C (66°F), even reaching up to 32°C (89°F) at times. The humidity drops significantly to 47%, and precipitation decreases further to 7 mm (0.3 in), also occurring over just one day. For a detailed look at what to expect, you can check Zacatecas weather in April.

December and May present contrasting weather patterns. In December, temperatures can drop to a minimum of -8°C (18°F) and average around 12°C (54°F), with a maximum reaching up to 26°C (79°F). The month is relatively dry, with only 12 mm (0.5 in) of precipitation over just one day and a high humidity level of 83%. In contrast, May experiences milder temperatures ranging from a minimum of 8°C (47°F) to a maximum of 34°C (93°F), with an average of 21°C (70°F). Precipitation increases significantly to 26 mm (1.0 in) across five days, while humidity drops to a more comfortable 55%. For a detailed look at the weather in May, visit Zacatecas weather in May.

In December, the weather is much cooler, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 26°C (79°F), averaging around 12°C (54°F). The month sees minimal precipitation, with only 12 mm (0.5 in) across just one rainy day, resulting in relatively high humidity at 83%.

In contrast, June brings significantly warmer conditions, with temperatures starting at a minimum of 10°C (50°F) and soaring up to a maximum of 34°C (93°F), averaging around 20°C (69°F). Precipitation increases dramatically to 110 mm (4.3 in) over 11 days, and although humidity is slightly lower at 77%, the overall climate feels much more vibrant and humid during this summer month. For more detailed information, you can check out Zacatecas weather in June.

December and July showcase strikingly different weather patterns in Zacatecas. December experiences cooler temperatures, with a minimum of -8°C (18°F) and an average of 12°C (54°F), while July boasts much warmer conditions, with a minimum of 11°C (51°F) and an average of 19°C (66°F). Precipitation levels also vary significantly; December sees minimal rainfall of just 12 mm (0.5 in) over one day, contrasting sharply with July's substantial 149 mm (5.9 in) experienced over 15 days. Humidity levels remain fairly similar, at 83% in December and 82% in July, but the overall feel is quite different, with December offering a crisp chill and July bringing a warm, humid atmosphere. For more detailed insights, you can check out Zacatecas weather in July.

December and August present contrasting weather conditions in terms of temperature and precipitation. In December, the temperatures range from a chilly -8°C (18°F) at night to a comfortable 26°C (79°F) during the day, with an average of 12°C (54°F). Despite the cooler temperatures, December boasts low precipitation, with only 12 mm (0.5 in) across just one day, resulting in a relatively dry month. In contrast, August brings warmer temperatures, with lows of 10°C (50°F) and highs reaching up to 30°C (86°F), averaging around 19°C (67°F). However, August is significantly wetter, experiencing about 89 mm (3.5 in) of rainfall over 10 days, maintaining a consistent humidity level of 83%. For more details, you can check out the Zacatecas weather in August.

In December, the weather is generally colder, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 26°C (79°F), and an average temperature of 12°C (54°F). The month sees relatively low precipitation, totaling just 12 mm (0.5 in) over about 1 day, and maintains a humidity level of 83%. In contrast, September experiences milder temperatures, with a minimum of 9°C (48°F), an average of 18°C (64°F), and a maximum of 27°C (81°F). However, it is considerably wetter, receiving 148 mm (5.8 in) of rain on approximately 17 days, coupled with a slightly higher humidity at 86%. For detailed insights into September weather, you can check out Zacatecas weather in September.

Comparing the weather in December and October reveals some notable differences. In December, temperatures range from a chilly minimum of -8°C (18°F) to a mild maximum of 26°C (79°F), with an average of 12°C (54°F). In contrast, October enjoys warmer temperatures, with a minimum of 4°C (40°F), an average of 17°C (62°F), and a maximum of 28°C (82°F). While December sees only 12 mm (0.5 in) of precipitation over a single day, October experiences significantly more rainfall, totaling 48 mm (1.9 in) spread over seven days. Interestingly, both months share the same humidity level of 83%, providing a consistent moist atmosphere throughout. For more details, you can check Zacatecas weather in October.

In December, temperatures in Zacatecas range from a minimum of -8°C (18°F) to a maximum of 26°C (79°F), with an average of 12°C (54°F). The month experiences lower overall temperatures compared to November, where the minimum is slightly higher at -3°C (28°F), and the maximum reaches up to 27°C (81°F) with an average of 14°C (58°F). Precipitation in December is also reduced, with only 12 mm (0.5 in) falling over just one day, compared to November's 16 mm (0.6 in) over two days. Additionally, December records a slightly higher humidity level of 83%, compared to November's 80%. For more detailed information, you can visit Zacatecas weather in November.

Compare Zacatecas's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Zacatecas

As the year draws to a close, Zacatecas transforms into a winter wonderland with significantly cooler temperatures compared to the warmer months. The crisp air, characterized by an average of 12°C (54°F) and nighttime lows that can dip to -8°C (18°F), invites locals and visitors alike to bundle up. Unlike the wet season earlier in the year, December sees minimal rainfall, with only a day of precipitation expected, making it a perfect time for outdoor activities amid the season's charm. With humidity levels at 83%, the air feels refreshingly brisk, distinct from the muggier months preceding it. Explore more about this beautiful city's seasonal weather patterns at Zacatecas Climate.