December Weather in Zacatecas, Mexico

Last updated: April 22, 2025

December in Zacatecas, Mexico offers a striking contrast in weather, with temperatures ranging from a maximum of 35°C (95°F) during the day to a refreshing minimum of 2°C (36°F) at night. The average temperature sits around 17°C (62°F), providing a pleasant climate for exploration. Although this month experiences some moisture with an average precipitation of 21 mm (0.8 in) over just three days, the humidity remains high at 80%, adding a touch of chill to the crisp air. Visitors can expect a unique blend of sun and cool evenings, making December a captivating time to experience the charm of Zacatecas.

December Temperature in Zacatecas

In December, Zacatecas experiences a transition into cooler temperatures, marking a shift as the region bids farewell to the warmer months. The minimum temperature hovers around 2°C (36°F), while the average temperature reaches a comfortable 17°C (62°F), making outdoor explorations quite pleasant. With a maximum of 35°C (95°F), the days can still feel warm, especially in the sun, but the evenings turn cool, encouraging cozy gatherings. This month perfectly encapsulates the gradual cooling trend observed from November's average, signifying a steady decline from the peak warmth of earlier months. Overall, December offers a delightful blend of mild days and crisp nights, ideal for immersing oneself in the local culture and festive spirit.

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.
JanFebMarAprMayJunJulAugSepOctNovDec596371768184858681746662
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 brings a modest precipitation total of 21 mm (0.8 in), occurring over just three days. This slight dip in rainfall follows the wetter months of summer and early fall, showcasing a trend toward drier conditions as the year wraps up. Compared to the 110 mm (4.3 in) of rainfall recorded in September, December's totals illustrate the significant seasonal shift, leading to a more arid climate as winter approaches. As the year closes, the decreasing precipitation signals a time of relative calm in the weather patterns of Zacatecas, providing a stark contrast to the lushness experienced in the preceding months.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2513244068868215110492421
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Zacatecas

In December, humidity in Zacatecas, Mexico, reaches a notable 80%, maintaining the somewhat elevated levels seen in the preceding months. As the year concludes, humidity typically begins to rise, with November peaking at 81%. This slight decrease from November reflects a seasonal trend where humidity fluctuates. Throughout the year, Zacatecas experiences its highest humidity in the late fall and early winter months, starting from a moderate 65% in March, dipping to its lowest in the summer with 57% in July. However, December's relatively high humidity is a reminder of the region's gradual transition into colder temperatures, providing a refreshing, albeit damp, end to 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.
JanFebMarAprMayJunJulAugSepOctNovDec75%70%65%59%66%71%57%58%73%76%81%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Zacatecas

In Zacatecas, Mexico, December ushers in a noticeable shift in the UV Index, dropping to a moderate 6 from the extreme levels seen in the preceding months. While this indicates a high exposure category, the burn time extends to a safer 25 minutes, allowing residents and visitors the opportunity to enjoy the outdoors without the intense sun risks of earlier months. This trend of fluctuating UV levels captures the essence of Zacatecas' climate, moving from extreme highs in the summer to more manageable levels as winter approaches. As always, being mindful of sun protection remains important, even during these cooler months. For more detailed information, check the 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.
JanFebMarAprMayJunJulAugSepOctNovDec79101212121212111076
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 brings a delightful mix of sunshine, offering 263 hours of bright days that invite exploration. As the year winds down, the region reveals a consistent upward trend in sunlight hours throughout the winter months, contrasting starkly with the lower luminosity of January's 200 hours. This gradual increase continues towards spring, showcasing a sunny forecast that enhances the city's already vibrant atmosphere. With December's hours comfortably nestled between November's 255 hours and January's notable jump, visitors can bask in the golden glow of a warm winter sun, making it an enchanting time to experience the rich culture and history of this captivating city.

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.
JanFebMarAprMayJunJulAugSepOctNovDec200h246h285h290h328h339h339h346h283h289h255h263h
Data source: Zacatecas December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Zacatecas During December

In Zacatecas, Mexico, the likelihood of sunny weather in December stands at a promising 59%. This reflects a slight uptick compared to the preceding months, particularly November's 55%. As we delve deeper into the seasonal patterns, it becomes evident that December's sunshine probabilities are relatively stable, rivaling January and March, both at 60%. Interestingly, the colder months of the year, including December, maintain a consistent likelihood for bright days, showcasing a favorable trend for outdoor activities and holiday celebrations in this charming city. With this level of sunlight, visitors and locals alike can expect a pleasant backdrop for winter festivities.

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.
JanFebMarAprMayJunJulAugSepOctNovDec60%56%60%53%53%57%44%62%56%61%55%59%
Data source: Zacatecas December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Zacatecas in December

As December descends upon Zacatecas, Mexico, residents experience a return to 10 hours of daylight, mirroring the shorter days seen in January and November. This month marks the tail end of a gradual decline in daylight hours that begins with the vibrant 13-hour days of mid-year. After the spring and summer months basked in extended sunlight, the shift toward winter brings a cozy contrast. Although daylight diminishes, the early festivities of the season and the enchanting landscapes still invite outdoor adventures, making December a unique blend of twilight charm and warm gatherings amidst the bustling holiday spirit.

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 43m11h 17m12h 1m12h 46m13h 23m13h 41m13h 32m12h 58m12h 15m11h 30m10h 52m10h 33m
Data source: Zacatecas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Zacatecas

As December sweeps into Zacatecas, a noticeable shift in wind patterns unfolds, bringing with it the calm of the late year. With an average wind speed falling to 1.9 m/s (4 mph), December stands out as the quietest month for breezes in the region. This decrease from the earlier months, such as May and August where winds reached 3.2 m/s (7 mph), signals the gentler embrace of winter. The transition from the bustling winds of summer to the serenity of December encapsulates the evolving seasons, inviting a sense of peace as the year draws to a close. The cool, soft whispers of December winds offer a refreshing contrast, wrapping the landscape in a tranquil stillness, perfect for enjoying the festive spirit.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.53.12.93.22.72.53.12.32.12.21.9 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 December, temperatures in Zacatecas range from a minimum of 2°C (36°F) to a maximum of 35°C (95°F), averaging around 17°C (62°F). The month sees about 21 mm (0.8 in) of precipitation over approximately 3 days, accompanied by a high humidity level of 80%. In contrast, January experiences slightly cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 34°C (93°F), averaging 15°C (59°F). Precipitation increases to 24 mm (1.0 in) over 4 days, while humidity decreases to 75%. For more specific details on conditions during this month, check out Zacatecas weather in January.

December and February present distinct weather patterns, despite having similar average temperatures. In December, temperatures range from a mild 2°C (36°F) to a high of 35°C (95°F), accompanied by relatively high humidity at 80% and 21 mm of precipitation over three days. In contrast, February experiences lower minimum temperatures, dipping to -3°C (27°F), while reaching up to 37°C (99°F) at its peak. The precipitation in February is slightly less, at 13 mm over the same three days, and humidity is lower at 70%. For a more detailed look at February weather, check out Zacatecas weather in February.

In December, the weather features a minimum temperature of 2°C (36°F) and an average of 17°C (62°F), with a maximum reaching 35°C (95°F). The month sees about 21 mm (0.8 in) of precipitation over approximately 3 days, accompanied by high humidity levels at around 80%. In contrast, March experiences slightly milder conditions, with minimum temperatures at 4°C (40°F) and an average rising to 22°C (71°F), peaking at 38°C (100°F). Precipitation increases to 24 mm (0.9 in) but occurs over a longer duration of 6 days, while humidity drops to 65%. For a detailed look at the climatic conditions during this month, visit Zacatecas weather in March.

When comparing the weather in December and April, it's clear that April tends to be warmer and wetter. December experiences a milder temperature range with a minimum of 2°C (36°F) and a maximum of 35°C (95°F), while April sees a higher minimum of 7°C (46°F) and can reach a sweltering maximum of 41°C (107°F). In terms of precipitation, December has less rainfall, totaling 21 mm (0.8 in) over just 3 days, compared to April's 40 mm (1.6 in) spread over 7 days. Additionally, humidity is higher in December at 80%, contrasting with a more comfortable 59% in April. For a closer look at April's climate specifics, check out Zacatecas weather in April.

In December, temperatures in Zacatecas range from a chilly 2°C (36°F) to a warm 35°C (95°F), with an average of 17°C (62°F). The month tends to be quite humid at 80%, though it sees relatively low precipitation of 21 mm (0.8 in) over just three days. In comparison, May presents much warmer weather, with minimum temperatures around 15°C (59°F), average highs reaching 27°C (81°F), and extreme peaks of 42°C (109°F). With higher precipitation totaling 68 mm (2.7 in) over ten days, May also has a lower humidity level at 66%. For a detailed look at weather during this month, visit Zacatecas weather in May.

In December, the weather is generally mild, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 35°C (95°F), and an average temperature of 17°C (62°F). The month sees relatively low precipitation, totaling 21 mm (0.8 in) over about 3 days, combined with high humidity levels of 80%. In contrast, June experiences significantly warmer temperatures, with a minimum of 20°C (68°F) and a maximum reaching up to 42°C (107°F), averaging 29°C (84°F). Precipitation is also more pronounced in June, with 86 mm (3.4 in) over approximately 8 days and a lower humidity level of 71%. For more detailed insights, you can check Zacatecas weather in June.

When comparing the weather in December and July, notable differences emerge. December features a milder temperature range, with minimums around 2°C (36°F) and maximums peaking at 35°C (95°F), while the average temperature hovers around a comfortable 17°C (62°F). In contrast, July experiences much warmer conditions, with minimum temperatures of 21°C (70°F) and highs soaring up to 40°C (104°F), resulting in an average temperature of 29°C (85°F). Additionally, December sees significantly less precipitation, averaging 21 mm (0.8 in) over just three days, whereas July is considerably wetter, with 82 mm (3.2 in) over six days. Moreover, December's humidity is notably higher at 80%, compared to July's 57%. For more detailed insights into the warm climate of this month, check out Zacatecas weather in July.

In December, the weather in Zacatecas exhibits a wide temperature range with a minimum of 2°C (36°F) and a maximum of 35°C (95°F), averaging around 17°C (62°F). The month is relatively humid at 80%, with limited precipitation of 21 mm (0.8 in) over just three days. In contrast, August brings warmer temperatures, averaging 30°C (87°F), with a minimum of 22°C (72°F) and soaring up to 40°C (104°F). This month experiences slightly less rainfall at 15 mm (0.6 in) but lower humidity levels of 58%. For more details on the weather specifics in August, see Zacatecas weather in August.

In comparing the weather of December and September, notable differences emerge in temperature and precipitation. December typically sees a wider range of temperatures, with minimums around 2°C (36°F) and maximums reaching 35°C (95°F), averaging 17°C (62°F). In contrast, September enjoys warmer conditions, with minimums at 17°C (63°F) and maximums soaring up to 39°C (102°F), averaging 27°C (81°F). The level of precipitation also varies significantly, with December receiving just 21 mm (0.8 in) over 3 days, while September experiences considerably more rainfall at 110 mm (4.3 in) across 11 days, leading to higher humidity levels despite September’s lower overall humidity at 72%. For a deeper look at September's weather patterns, visit Zacatecas weather in September.

December and October present distinct weather patterns in terms of temperature and precipitation. In December, the temperatures are cooler, ranging from a minimum of 2°C (36°F) to a maximum of 35°C (95°F), with an average temperature of 17°C (62°F). The month sees about 21 mm (0.8 in) of precipitation over approximately 3 days, combined with relatively high humidity at 80%. In contrast, October tends to be warmer, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 37°C (100°F), and an average of 24°C (75°F). Precipitation is considerably higher in October, with 49 mm (1.9 in) spread across around 8 days, while the humidity is slightly lower at 76%. For more details on the October weather, check out Zacatecas weather in October.

In comparing the weather between November and December, we see a slight increase in average temperatures in December, where the minimum remains consistent at around 2°C but the average is slightly lower at 17°C compared to November's 19°C. December also experiences a marginal increase in maximum temperatures, reaching up to 35°C, while November peaks at 34°C. Precipitation in December decreases to 21 mm over 3 days, compared to 24 mm over 5 days in November, suggesting a drier month ahead. Humidity levels remain relatively stable, with December at 80% and November slightly higher at 81%. 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

December in Zacatecas ushers in a refreshing shift from the hotter months, showcasing a more temperate climate with cooler averages and only a few days of rain. While the maximum temperatures can still reach a warm 35°C (95°F), the overall feel is much milder, lending itself to enjoyable outdoor activities under the clear skies. With humidity levels reaching around 80%, the air carries a crispness that contrasts with the dry heat of earlier months. As you plan your visit, be sure to explore more about the nuances of Zacatecas Climate for an enriching experience in this beautiful region.