Last updated: April 22, 2025
December in San Cristobal, Mexico, presents a delightful blend of mild temperatures and low precipitation, making it an ideal time for exploration. With a maximum temperature reaching 30°C (87°F) and an average of 16°C (61°F), visitors can enjoy comfortable days. The nights can be cool, dipping to a minimum of 1°C (35°F), so packing layers is advisable. This month boasts a mere 3 mm (0.1 in) of rainfall across zero precipitation days, allowing for uninterrupted enjoyment of the area's natural beauty. Even with humidity levels at a notable 81%, the overall climate remains pleasant, inviting travelers to immerse themselves in the enchanting scenery and rich culture of this captivating destination.
In San Cristobal, Mexico, December ushers in the chilly embrace of winter, with temperatures ranging from a brisk 1°C (35°F) at night to a comfortable 30°C (87°F) during the day. This month's average temperature hovers around 16°C (61°F), signaling a mild climate that stands in stark contrast to the soaring highs of summer. As the year draws to a close, the trend of decreasing nighttime temperatures continues, having gradually slipped from earlier months. Visitors can expect cooler evenings perfect for cozy gatherings or exploring the town’s vibrant culture, while daytime warmth invites outdoor adventures. December offers a delightful balance, where the charm of winter meets the allure of temperate days, making it a fantastic time to experience the beauty of San Cristobal.
In San Cristobal, December typically marks a return to drier conditions, with the month reporting a mere 3 mm (0.1 in) of precipitation and no rainfall days. This drop in moisture follows a peak wet season characterized by substantial rainfall from June to September, where totals soared above 150 mm monthly. The transition to December highlights a significant decrease in precipitation, as the region shifts from the heavy downpours of summer to the relative calm of winter. While earlier months experienced up to 20 rainy days, December concludes the year with a tranquil dry spell, showcasing the marked contrast in San Cristobal's climatic patterns.
As December settles in San Cristobal, humidity remains notably high, hovering around 81%. This level continues the trend of elevated moisture that peaks during the late months of the year, following a gradual increase from 65% in February to a significant 84% in November. The sultry atmosphere in December mirrors the wet conditions of September and October, when humidity reached 81% and 83% respectively. Interestingly, earlier in the year, humidity levels dip lower, touching 58% in both March and April, before rising again as the region transitions into its wetter months. The consistent humidity in December ensures a lush, vibrant landscape, making it a captivating time to experience the natural beauty of San Cristobal.
As December rolls in, San Cristobal, Mexico experiences a slight dip in the UV Index, measuring at 8, which falls into the very high exposure category. This marks a gentle decline from the extreme levels seen in the previous months, with the burn time extending to 15 minutes. Over the year, the UV Index has consistently remained elevated, particularly from February to June, where it peaked at 14, indicating almost relentless sun exposure. This trend highlights the importance of sun protection year-round, even as we approach the cooler months. For more details and tips on enjoying the sun safely, check out San Cristobal UV Index.
UV Risk Categories
As December unfolds in San Cristóbal, the city basks in 289 hours of sunlight, a delightful transition from the month prior. While the daylight begins to wane compared to the sun-drenched days of May, which boasts a peak of 345 hours, December’s glow still shines brightly in the southern sky. The month gradually winds down towards winter, yet its sunny disposition lingers as it continues the trend of robust sunlight seen throughout the fall. With a slight dip from November's 284 hours, December embodies that cozy balance, offering just enough bright days to complement the festive spirit and vibrant culture of its residents. As the year closes, San Cristóbal reminds us that even in the chill of December, sunshine continues to play a vital role in its charm.
December in San Cristobal, Mexico, offers an inviting 73% chance of sun, making it a pleasant time to enjoy the region's beauty. As the year winds down, the likelihood of sunny days shows a notable consistency, following the upward trend seen in the months leading up to December. After significant rain during the summer months of June and July, the weather gradually improves, peaking in February with a robust 89% chance of sunny skies. November's 67% sets a positive tone for December, which is known for its mild temperatures and refreshing ambiance. Visitors can expect a delightful mix of sunshine and comfortable weather as they explore what San Cristobal has to offer during the festive season.
In San Cristobal, Mexico, December marks the beginning of shorter days, with daylight lasting only 10 hours. This decline in daylight is part of a natural trend that sees a gradual increase from 11 hours in the early months of the year, peaking at 13 hours during the vibrant summer months of May through July. As the seasons transition, daylight begins to wane again, falling back to 11 hours by November, before reaching its lowest point in December. This rhythmic ebb and flow not only reflects the changing seasons but also sets the stage for the cozy, reflective vibe that accompanies winter in this enchanting region.
As December arrives in San Cristobal, the winds gently whisper through the streets, with an average speed dropping to 1.5 m/s (about 3 mph). This reflects a noticeable trend as the year closes, characterized by the region's fluctuating breezes. From the brisker gusts of April at 2.5 m/s (6 mph) to the more tranquil conditions of the final month, there’s a clear seasonal ebb and flow. Following a peak in spring, the winds mellow through the summer months, and as winter takes hold, they settle into their softest pace, inviting residents and visitors alike to enjoy the serene backdrop of this charming town.
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, the weather features a minimum temperature of 1°C (35°F) and a comfortable average of 16°C (61°F), peaking at a maximum of 30°C (87°F) with notable humidity of 81%. This month experiences no rainfall, making it a dry period.
In contrast, January sees a slight increase in the minimum temperature, rising to 3°C (37°F), while the average remains stable at 16°C (61°F) and the maximum remains at 30°C (87°F). However, there is a slight uptick in precipitation with 3 mm (0.1 in) reported over one day, and humidity decreases to 74%.
For more detailed insights on weather patterns, visit San Cristobal weather in January.
In December, the weather features a wider temperature range, with minimums dropping to 1°C (35°F) and maximums reaching up to 30°C (87°F). Humidity is relatively high at 81%, and there's virtually no precipitation, making it a dry month. In contrast, February enjoys slightly milder temperatures, with minimums around 6°C (43°F) and maximums peaking at 32°C (90°F) while maintaining an average of 18°C (65°F). February sees a bit more moisture, with 4 mm of precipitation over one day, and lower humidity at 65%. For more detailed information on February's climate, you can check San Cristobal weather in February.
In December, the weather is generally mild, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 30°C (87°F) and an average of 16°C (61°F). The month experiences very little precipitation, with only 3 mm (0.1 in) recorded over zero days, leading to a high humidity level of 81%.
In contrast, March sees warmer temperatures, with a minimum of 6°C (42°F) and a maximum reaching 34°C (94°F), and an average of 21°C (71°F). Precipitation slightly increases to 6 mm (0.2 in) over one day, and the humidity drops to a more comfortable 58%. For a detailed look at conditions during March, you can check San Cristobal weather in March.
In December, the weather features a wide temperature range with a minimum of 1°C (35°F) and a maximum of 30°C (87°F), averaging around 16°C (61°F). Despite having low precipitation of just 3 mm (0.1 in) and no rainy days, the humidity is quite high at 81%. In contrast, April experiences warmer temperatures with a minimum of 9°C (49°F) and a maximum reaching 36°C (97°F), while averaging 23°C (74°F). Like December, it also sees only 3 mm (0.1 in) of precipitation and no rainy days, but the humidity is notably lower at 58%. For more detailed information, you can check out San Cristobal weather in April.
December and May exhibit contrasting weather patterns. In December, temperatures range from a mild minimum of 1°C (35°F) to an average of 16°C (61°F), with a maximum of 30°C (87°F). This month is notably dry, recording only 3 mm (0.1 in) of precipitation across no rainy days and maintaining a relatively high humidity level of 81%. In contrast, May experiences warmer temperatures, with a minimum of 12°C (53°F), an average of 25°C (77°F), and a peak of 38°C (100°F). The month is considerably wetter, with 32 mm (1.3 in) of rain over six days and lower humidity at 67%. For more detailed insights, you can check San Cristobal weather in May.
In December, the weather is characterized by mild temperatures, with an average of 16°C (61°F) and a maximum of 30°C (87°F), while enjoying low humidity levels at 81% and virtually no precipitation. In stark contrast, June brings warmer conditions with an average temperature of 23°C (74°F) and peaks reaching up to 37°C (99°F). However, June is also marked by a significant increase in rainfall, receiving 145 mm (5.7 in) over 15 days, coupled with slightly lower humidity at 76%. For a deeper look at June conditions, you can check out San Cristobal weather in June.
In December, the weather is generally milder, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 30°C (87°F), accompanied by low precipitation and high humidity of 81%. In contrast, July experiences warmer temperatures, with a minimum of 13°C (55°F) and maximum of 32°C (90°F), but it also sees significantly higher precipitation at 169 mm (6.7 in) over roughly 20 days, contributing to a lower humidity of 67%. The stark differences between these two months highlight the seasonal variability in weather conditions. For more details, you can check San Cristobal weather in July.
December and August present starkly contrasting weather conditions. December features a mild temperature range with a minimum of 1°C (35°F) and a maximum of 30°C (87°F), enjoying relatively low precipitation at just 3 mm (0.1 in) and complete dryness over the month. The humidity is relatively high at 81%, contributing to a more comfortable atmosphere. In contrast, August experiences a warmer average temperature of 21°C (70°F), with maximums reaching up to 32°C (89°F). However, it is significantly wetter, with 153 mm (6.0 in) of rainfall accumulated over 17 days, and the humidity is lower at 68%. This comparison highlights the more pleasant and dry conditions in December compared to the humid and rainy weather typical of August. For more specific information on August weather, visit San Cristobal weather in August.
December and September present contrasting weather conditions. In December, temperatures range from a minimum of 1°C (35°F) to a maximum of 30°C (87°F), with an average of 16°C (61°F) and virtually no precipitation, leading to dry and comfortable days. In contrast, September experiences milder temperatures, with a minimum of 10°C (50°F), average highs of 21°C (69°F), and peaks reaching up to 32°C (89°F). However, it is much wetter, with substantial rainfall totaling 151 mm (5.9 in) across 18 days. Both months share a humidity level of 81%, but the wet conditions in September create a notable difference in the atmosphere. For more details, check out San Cristobal weather in September.
When comparing the weather in December and October, notable differences emerge. December typically features milder temperatures, with a minimum of 1°C (35°F) and an average of 16°C (61°F), whereas October presents a warmer range, with temperatures dropping no lower than 8°C (47°F) and averaging around 20°C (69°F). October also experiences significantly higher precipitation, totaling 51 mm (2.0 in) across 7 days, while December remains mostly dry with just 3 mm (0.1 in) and no rainy days. Humidity levels remain relatively similar, with December at 81% and October slightly higher at 83%. For more detailed insights, you can visit San Cristobal weather in October.
In comparing the weather of December to November, December exhibits slightly cooler temperatures, with a minimum of 1°C (35°F) and an average of 16°C (61°F), while November offers a milder minimum of 4°C (39°F) and an average of 18°C (65°F). Additionally, December has a maximum temperature of 30°C (87°F), which is lower than November's maximum of 32°C (89°F). Notably, December experiences virtually no precipitation, recording only 3 mm (0.1 in) over 0 days, whereas November sees more rainfall at 17 mm (0.7 in) with precipitation occurring on 1 day. Humidity levels remain relatively high in both months, with December at 81% and November at 84%. For more detailed information, you can refer to San Cristobal weather in November.
As December settles over San Cristobal, the weather transforms into a pleasant experience marked by mild temperatures and low precipitation. With maximums reaching 30°C and an average that dips to a comfortable 16°C, this month stands out as a refreshing escape from the heat of the preceding months. Humidity remains high at 81%, but the lack of rainfall—0 days of precipitation—means that visitors can enjoy clear skies and ideal conditions for exploration. Overall, December presents a delightful contrast to the warmer, wetter months of the year. For more detailed insights, explore the San Cristobal Climate.