December Weather in San Cristobal, Mexico

Last updated: April 22, 2025

December in San Cristobal, Mexico offers a delightful climate, showcasing a maximum temperature of 35°C (95°F) and an average of 22°C (73°F), providing perfect conditions for exploring the vibrant local culture. With a minimum temperature dipping to 11°C (51°F) at night, visitors can enjoy pleasant evenings. Remarkably, December experiences no precipitation, with only 7 mm (0.3 in) forecasted overall, allowing for uninterrupted outdoor activities. The month is characterized by high humidity levels at 88%, enhancing the tropical feel while maintaining a comfortable atmosphere for residents and travelers alike. Embrace the warmth and charm of this beautiful destination during the festive season!

December Temperature in San Cristobal

In San Cristobal, Mexico, December marks a subtle shift in temperatures as the year draws to a close. With minimums around 11°C (51°F) and a comfortable average of 22°C (73°F), the weather is pleasantly mild, making it ideal for exploration. Though the maximum temperature hovers around 35°C (95°F), offering warm days to enjoy outdoor activities, this month starts to hint at the cooler weather that January brings. Compared to the preceding months, December showcases a slight dip in temps, enhancing the city's cozy charm as festive celebrations fill the air. The overall trend reflects a transition from the hotter months, inviting visitors to bask in the warm afternoons while relishing the crisp evenings.

December Weather in San Cristobal: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Cristobal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec727477808178807978777572
Data source: Temperature data for San Cristobal 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 San Cristobal

In December, San Cristobal experiences a notable decline in precipitation, receiving only 7 mm (0.3 in) over the month, mirroring the light rainfall of November. This pattern of minimal rainfall is highlighted by the stark contrast to the earlier months, particularly the heavy downpours of June and August, where totals soared to 319 mm and 171 mm, respectively. Interestingly, December sees no rainy days, continuing the dry spell marked in January and March, when the area also recorded zero precipitation days. As the year wraps up, these trends underscore a transition from the region's rainy season to a more arid backdrop, offering a serene close to the year's climatic cycle.

December Precipitation Trends in San Cristobal

The chart displays monthly precipitation patterns in San Cristobal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec57315683198717116811077
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Cristobal

In December, San Cristobal experiences a humidity level of 88%, maintaining a trend of high moisture that peaks as the year comes to a close. This month, along with November, highlights one of the most humid periods of the year, just slightly below the 89% of October. As the seasons transition, the humidity gradually declines from the earlier months, starting from 84% in January and reaching its lowest point of 67% in April. However, the latter part of the year sees levels rebound, with December reflecting the consistent pattern of increased humidity prevalent in the region, especially during the rainy season. This creates a thick, lush atmosphere that is characteristic of San Cristobal, making it a unique destination in Central Mexico.

December Average Humidity in San Cristobal

This chart illustrates the average monthly humidity levels in San Cristobal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%73%67%72%73%76%80%84%89%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Cristobal

As December rolls in, San Cristobal, Mexico experiences a UV Index of 9, placing it in the very high exposure category, with a burn time of just 15 minutes. This marks a slight dip from the intense levels seen throughout the preceding months, which frequently hovered at 12 or above in the extreme category. While December offers a brief respite from the peak UV conditions of April and September, it's crucial for residents and visitors alike to remain vigilant about sun protection. Embrace the outdoor beauty safely, and remember to check the daily forecast to stay informed. For more details, visit San Cristobal UV Index.

Maximum UV Index Levels in San Cristobal for December

The chart shows the monthly maximum UV Index (UVI) for San Cristobal 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121314141414131412109
Data source: San Cristobal 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 San Cristobal

In December, San Cristobal basks in a delightful 309 hours of sunshine, contributing to a warming transition into the New Year. This figure is a slight dip from the sun-drenched heights of July, which boasts an impressive 325 hours, but still holds its own against the preceding months, maintaining a vibrant atmosphere as the festive season unfolds. The sunny trend from January through May, where hours consistently rise, underscores the area’s appeal during the earlier part of the year. As we approach the end of the calendar, the moderate decrease in sunlight hours during the latter months, from June through December, brings a cozy charm to the landscape, perfect for exploring the historical richness of this enchanting Mexican town.

Monthly Sunshine Duration in San Cristobal: December Highlighted

The December sunshine duration represents the total number of hours San Cristobal 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.
JanFebMarAprMayJunJulAugSepOctNovDec247h280h323h317h320h267h325h305h287h301h308h309h
Data source: San Cristobal December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Cristobal During December

In December, San Cristobal, Mexico, boasts a remarkable 82% chance of sunny weather, making it one of the brightest months of the year. As the year winds down, the likelihood of sunshine peaks significantly compared to the preceding months, with November already showing a robust 71%. This upward trend highlights a delightful shift in weather patterns as winter approaches, drawing visitors eager to enjoy the sun-drenched days before the year ends. With temperatures remaining pleasantly mild, December not only promises plenty of sunshine but also invites an abundance of outdoor activities and festive celebrations against a breathtaking backdrop.

Percentage of Sunny Days in December in San Cristobal

The chart illustrates the percentage of sunny days in San Cristobal 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 San Cristobal experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%70%74%54%36%12%29%23%15%40%71%82%
Data source: San Cristobal December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Cristobal in December

In San Cristobal, Mexico, daylight duration follows a rhythmic pattern throughout the year. As winter sets in, December sees 11 hours of daylight, consistent with both January and February. This period marks the shorter days compared to the summer months, where daylight peaks at an impressive 13 hours in June. From March through September, residents enjoy a balanced 12 hours of light daily, fostering vibrant outdoor activities. As the year winds down towards December, the return to 11 hours signals the approach of winter, creating a gentle ebb and flow in the region's natural light that beautifully influences daily life.

Average Daylight Hours in San Cristobal for December

The chart illustrates the variation in daylight duration in San Cristobal throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 15m11h 35m12h 2m12h 30m12h 53m13h 5m12h 58m12h 38m12h 11m11h 44m11h 20m11h 9m
Data source: San Cristobal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in San Cristobal

In December, San Cristobal experiences a gentle breeze with an average wind speed of 2.4 m/s (5 mph), cooling the crisp air as the year draws to a close. This month marks a slight uptick from the quieter summer months, where wind speeds dropped to their annual lows in June and August, averaging only 1.3 m/s (3 mph) and 1.7 m/s (4 mph), respectively. As autumn advances, winds begin to pick up, peaking in November with an invigorating 3.2 m/s (7 mph). December’s breezy yet mild conditions perfectly encapsulate the transition into the new year, making it an ideal time for outdoor strolls and enjoying the scenic beauty of this charming town in Mexico.

Average December Wind Speed in San Cristobal

The chart displays monthly wind speed patterns in San Cristobal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.62.82.62.31.32.11.71.62.13.22.4 m/s
Data source: San Cristobal December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in San Cristobal Compares to Other Months

The weather in San Cristobal 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 San Cristobal and find detailed weather information for every month.

In December, temperatures in San Cristobal range from a minimum of 11°C (51°F) to a maximum of 35°C (95°F), with an average of 22°C (73°F). The month is characterized by low precipitation, with just 7 mm (0.3 in) and no rainy days, paired with a relatively high humidity of 88%. In contrast, January features slightly cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 36°C (96°F), while maintaining a similar average of 22°C (72°F). Precipitation decreases to 5 mm (0.2 in), and like December, there are no rainy days, but humidity drops to a more comfortable 84%. For more details, you can check San Cristobal weather in January.

In comparing the weather between December and February, both months exhibit relatively similar temperature ranges, with December seeing average temperatures from a minimum of 11°C (51°F) to a maximum of 35°C (95°F) and February slightly warmer with a minimum of 11°C (52°F) and a maximum of 36°C (97°F). Precipitation remains consistent at 7 mm (0.3 in) for both months; however, February experiences this precipitation over two days, unlike December, which has no recorded rainy days. Humidity is higher in December at 88%, while February enjoys a more comfortable level at 80%. For more detailed information, you can check out San Cristobal weather in February.

December and March both showcase warm weather conditions, but with some notable differences. In December, temperatures range from a minimum of 11°C (51°F) to a maximum of 35°C (95°F), with an average of 22°C (73°F). The month experiences high humidity at 88% but receives minimal precipitation, totaling just 7 mm (0.3 in) over no rainy days. In contrast, March sees slightly higher temperatures, with a minimum of 12°C (54°F) and a maximum of 36°C (98°F), while the average temperature rises to 25°C (77°F). Precipitation drops further, limited to just 3 mm (0.1 in) over no rainy days, and humidity decreases to a more comfortable 73%. For more details about March weather, check out San Cristobal weather in March.

December and April in San Cristobal present distinct weather patterns. In December, temperatures range from a mild minimum of 11°C (51°F) to a warm maximum of 35°C (95°F), with an average of 22°C (73°F) and minimal precipitation at just 7 mm (0.3 in) over no rainy days, contributing to a high humidity of 88%. In contrast, April sees slightly higher temperatures, with a minimum of 15°C (59°F) and a maximum of 38°C (101°F), averaging 26°C (80°F). Rainfall increases to 15 mm (0.6 in) over two days, and humidity drops to a more comfortable 67%. For more details about the weather conditions in April, visit San Cristobal weather in April.

In December, the weather is typically warmer, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 35°C (95°F) and an average of around 22°C (73°F). The humidity is quite high at 88%, but the month sees minimal precipitation, averaging just 7 mm (0.3 in) over zero rainy days. In contrast, May experiences a more significant temperature range with a minimum of 17°C (63°F) and a maximum of 38°C (100°F), averaging about 27°C (81°F). However, May is also wetter, with 68 mm (2.7 in) of rain over 11 days and a lower humidity level of 72%. For more detailed information about May weather, you can visit San Cristobal weather in May.

December and June present strikingly different weather patterns. In December, temperatures typically range from a mild minimum of 11°C (51°F) to a warm maximum of 35°C (95°F), with an average of 22°C (73°F). The month experiences very little rainfall, with only about 7 mm (0.3 inches) recorded and an impressive low humidity of 88%. In contrast, June is noticeably warmer, with temperatures ranging from 19°C (67°F) to a maximum of 36°C (98°F) and an average of 26°C (79°F). However, June is significantly wetter, receiving a substantial 319 mm (12.5 inches) of precipitation over 20 days, and a lower humidity level at 73%. For more detailed insights into June's weather, you can visit San Cristobal weather in June.

When comparing the weather in December and July, December offers a milder climate with average temperatures ranging from a comfortable 22°C (73°F) to a maximum of 35°C (95°F). The month experiences minimal precipitation, averaging just 7 mm (0.3 in) and maintaining a high humidity level of 88%. In contrast, July is characterized by warmer conditions, with an average temperature of 27°C (80°F) and peaks reaching 38°C (100°F). However, July brings significantly more rain, with 87 mm (3.4 in) of precipitation spread over 14 days and a relatively lower humidity of 76%. For more detailed information on July weather, visit San Cristobal weather in July.

In December, the weather is generally warmer during the day with average temperatures reaching 22°C (73°F) and highs peaking at 35°C (95°F). The month is characterized by low precipitation, with no rainy days and a humidity level of 88%. In contrast, August experiences cooler minimum temperatures at 19°C (66°F) and higher average temperatures of 26°C (79°F), along with maximums that can reach up to 37°C (99°F). However, August is significantly wetter, receiving 171 mm (6.7 in) of rain over 18 days, while humidity levels remain lower at 80%. For a detailed look at the conditions, you can refer to San Cristobal weather in August.

When comparing the weather in December and September, notable differences emerge. December tends to be milder, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 35°C (95°F), and an average of 22°C (73°F). In contrast, September is warmer, with a minimum of 18°C (65°F) and a maximum reaching 36°C (97°F), averaging 26°C (78°F). Additionally, December enjoys much less precipitation, with only 7 mm (0.3 in) reported and no rainy days, while September sees significant rainfall of 168 mm (6.6 in) over 19 days. Humidity levels are fairly high in both months, with September slightly higher at 84% compared to December's 88%. For more details, check out San Cristobal weather in September.

In comparing the weather during December and October, we see notable differences in temperature and precipitation. December enjoys a milder temperature range, with an average of 22°C (73°F) and highs reaching up to 35°C (95°F), while October is generally warmer, averaging 25°C (78°F) with maximum temperatures peaking at 37°C (99°F). However, October is significantly wetter, experiencing 110 mm (4.3 in) of precipitation over 12 days, compared to December's minimal rainfall of just 7 mm (0.3 in) across no rainy days. Both months maintain high humidity levels, with December at 88% and October slightly higher at 89%. For a more detailed look at the weather conditions, check out San Cristobal weather in October.

In comparing the weather of December and November, December tends to be slightly cooler with average temperatures ranging from a minimum of 11°C (51°F) to a maximum of 35°C (95°F), while November sees higher temperatures with a minimum of 13°C (55°F) and a maximum of 37°C (98°F). Both months experience similar levels of precipitation, with December recording no rainy days and November having one day of rain, yet they each receive 7 mm (0.3 in) of precipitation. Humidity levels remain consistent at 88% for both months, creating a humid atmosphere. For more detailed information on November weather, visit San Cristobal weather in November.

Compare San Cristobal's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in San Cristobal

December in San Cristobal brings a delightful shift in weather, characterized by mild temperatures and an impressive lack of rain. Unlike the heavy downpours of the summer months, this time of year enjoys an almost dry landscape with no recorded precipitation days, making it perfect for outdoor explorations. The air is crisp with a comfortable humidity level, providing an inviting atmosphere for visitors. Overall, December's climate offers a pleasant respite, with warm days and cooler nights, setting it apart from both the heat of the summer and the chill of the winter. Discover more about this enchanting time by visiting San Cristobal Climate.