December Weather in San Cristobal, Mexico

Last updated: April 22, 2025

In December, San Cristobal, Mexico experiences a delightful blend of mild temperatures and refreshing humidity. With maximum highs reaching 27°C (82°F) and average temperatures around 14°C (58°F), it's a comfortable time to explore the city. Visitors can expect cool nights, where temperatures can dip to as low as -2°C (29°F). This month typically sees just 7 mm (0.3 in) of precipitation, usually concentrated in one day, making it an ideal period for outdoor activities. With humidity levels at 81%, the air carries a crispness that complements the picturesque scenery of this vibrant locale.

December Temperature in San Cristobal

In San Cristobal, Mexico, December brings a notable shift in temperatures as winter settles in. The month records a minimum of -2°C (29°F), marking the coldest point of the year. The average temperature hovers around 14°C (58°F), providing a cool but comfortable atmosphere, while daytime highs reach up to 27°C (82°F). This December trend exhibits a dip in nighttime temperatures compared to previous months, like November, which had a minimum of 1°C (34°F). As the year draws to a close, visitors can expect brisk evenings and mild days, a refreshing change that attracts travelers seeking to enjoy the picturesque landscape under the clear skies of this charming town.

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.
JanFebMarAprMayJunJulAugSepOctNovDec576166707371686966656157
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 dip in precipitation, with just 7 mm (0.3 in) of rainfall recorded over a single day, marking the end of a rainy season that typically peaks from June to September. This transition towards the drier months is evident, as December's precipitation is significantly lower compared to the summer deluge, where monthly totals exceed 100 mm. With rainfall days dwindling to just one, this month represents a tranquil period in contrast to the previous months, allowing the region to prepare for the milder and dryer early part of the year ahead.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1210632612814211314153147
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Cristobal

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.

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.
JanFebMarAprMayJunJulAugSepOctNovDec74%65%58%58%67%76%67%68%81%83%84%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Cristobal

In San Cristobal, Mexico, December marks a slight decline in UV exposure, with a UV Index of 8 categorized as very high. This drop follows a series of months characterized by extreme conditions, where values peaked at 15 during both April and May, indicating an urgent need for sun protection with a burn time of just 10 minutes during those months. As the year winds down, the trend shows a gradual tapering, but the potential for sunburn still lingers, requiring caution with a burn time of 15 minutes in December. This seasonal shift provides a brief respite, yet it’s essential to remain vigilant against UV rays throughout the year. For more detailed information, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9111415151413141412108
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 San Cristobal, Mexico, December welcomes a cozy 289 hours of sunshine, adding a warm glow to the festive season. As autumn transitions into winter, sunlight gradually recedes from the peak of 347 hours in May but remains ample, continuing a trend of plentiful daylight. This month marks a gentle decline following the vibrant summer, where July and August shine with consistent offers of 333 and 330 hours, respectively. With December’s golden glow illuminating the landscape, residents and visitors alike can bask in the charm of this enchanting city as it embraces the cooler months, all while enjoying an abundance of sunshine.

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.
JanFebMarAprMayJunJulAugSepOctNovDec234h271h320h327h347h318h333h330h295h293h284h289h
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

As December approaches in San Cristobal, the likelihood of sunny weather remains promising, with a 69% chance of sunshine gracing the skies. This marks a slight increase from November's 67%, suggesting a gradual transition into the more favorable months ahead. Interestingly, while the earlier months of the year, such as February with 87%, offer the highest probability of sun, December stands out as one of the more reliable winter months. After experiencing the lower probabilities of sun in the summer, with chances dropping to the low 30s% in June and July, the gradual uptick in sunshine by the end of the year signals a delightful shift towards sunnier days, making December a splendid time to visit.

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.
JanFebMarAprMayJunJulAugSepOctNovDec62%87%76%68%67%30%28%44%25%46%67%69%
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, December marks the return to shorter days, with only 10 hours of daylight. This trend of diminishing sunlight begins in October, when daylight dips to 11 hours, and continues into January, mirroring the start of the year with the same brief duration. As the months progress from February through May, the days gradually elongate, peaking at an impressive 13 hours of daylight during the summer months of June and July. Following this peak, daylight begins to wane again, transitioning back to the shorter days of late autumn and winter. This cyclical pattern reflects the region's unique climate, where daylight correlates closely with seasonal transitions, inviting both residents and visitors to embrace the rhythm of nature throughout the year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec10h 57m11h 25m12h 1m12h 39m13h 10m13h 25m13h 17m12h 49m12h 13m11h 36m11h 4m10h 49m
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, the wind in San Cristobal, Mexico gently whispers with an average speed of 2.3 m/s (5 mph), marking a transition to the calmness of winter. Notably, this month features one of the year's lowest wind speeds, reflecting a trend where the year's end brings a noticeable reduction in breeze compared to the livelier gusts of the earlier months. The wind dances lightly through the town, contrasting with the stronger currents in April when speeds peak at 3.7 m/s (8 mph). As the year comes to a close, the mellow December winds create a serene atmosphere, inviting residents and visitors alike to embrace the peaceful charm of the season.

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.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.63.33.73.23.12.53.02.32.72.82.3 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 range from a chilly minimum of -2°C (29°F) to a warm maximum of 27°C (82°F), with an average temperature of 14°C (58°F). The month experiences low precipitation, with only 7 mm (0.3 in) falling over just one day, resulting in high humidity of 81%.

In contrast, January sees slightly warmer minimum temperatures at 0°C (33°F), while the maximum remains the same at 27°C (81°F) and the average drops marginally to 14°C (57°F). Precipitation increases to 11 mm (0.5 in) over two days, and humidity decreases to 74%. For further details on the January weather, visit San Cristobal weather in January.

In December, the weather in San Cristobal is generally cooler, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 27°C (82°F) and an average of 14°C (58°F). The month sees low precipitation levels, totaling just 7 mm (0.3 in) over one day, and an average humidity of 81%. In contrast, February brings slightly warmer temperatures, with a minimum of 2°C (36°F), an average of 16°C (61°F), and a maximum of 30°C (86°F). Precipitation increases slightly to 10 mm (0.4 in), also spread across one day, but humidity drops to a comfortable 65%. For more details, visit San Cristobal weather in February.

In comparing the weather between December and March, December experiences cooler temperatures with a minimum of -2°C (29°F) and an average of 14°C (58°F). In contrast, March sees milder conditions with temperatures starting at a minimum of 4°C (40°F) and an average high of 19°C (67°F). While both months experience low precipitation, December has slightly more at 7 mm (0.3 in) over just one day, compared to March’s 6 mm (0.2 in) spread over two days. Humidity levels also differ, with December being notably more humid at 81% compared to March's 58%. For a detailed overview of March weather, you can visit San Cristobal weather in March.

In December, temperatures in San Cristobal range from a chilly minimum of -2°C (29°F) to a warm maximum of 27°C (82°F), with an average of 14°C (58°F). The month sees a modest amount of precipitation at 7 mm (0.3 in) over just one day, coupled with high humidity levels at 81%. In contrast, April offers significantly warmer weather, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 33°C (92°F) and an average of 21°C (70°F). The month is drier, recording only 3 mm (0.1 in) of precipitation over one day and lower humidity at 58%. For a more detailed look at what to expect during April, check out San Cristobal weather in April.

In December, the weather is quite cool, featuring temperatures that range from a minimum of -2°C (29°F) to a maximum of 27°C (82°F), with an average of 14°C (58°F). The month experiences minimal precipitation of just 7 mm (0.3 in) over a single day, along with high humidity levels at 81%. In contrast, May brings noticeably warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to a scorching maximum of 36°C (97°F), averaging around 23°C (73°F). This month also sees increased precipitation, totaling 26 mm (1.0 in) across four days, but with lower humidity at 67%. For more details on May weather specifics, you can check San Cristobal weather in May.

December and June present contrasting weather patterns. In December, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 27°C (82°F), with an average of 14°C (58°F). The month experiences minimal precipitation, averaging only 7 mm (0.3 in) over just one day, alongside a high humidity of 81%. In contrast, June shows a significant increase in warmth, featuring a minimum temperature of 11°C (52°F) and soaring up to a scorching maximum of 35°C (96°F), with an average of 22°C (71°F). This month is much wetter, with a notable 128 mm (5.0 in) of rainfall spread across 13 days, and humidity levels slightly lower at 76%. For more details on June weather, visit San Cristobal weather in June.

In comparing the weather of December and July, it is evident that these two months present distinct climatic experiences. December features a milder temperature range, with minimums around -2°C (29°F) and maximums reaching 27°C (82°F), accompanied by a relatively low precipitation of only 7 mm (0.3 in) over just one day, resulting in high humidity at 81%. In contrast, July experiences much warmer temperatures, with minimums not dropping below 11°C (53°F) and highs soaring to 32°C (89°F). Additionally, July is characterized by significantly higher rainfall, totaling 142 mm (5.6 in) across 18 days and lower humidity levels at 67%. For more detailed information about weather specifics, check out San Cristobal weather in July.

December and August present stark contrasts in weather patterns. In December, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable average of 14°C (58°F) and can reach a warm maximum of 27°C (82°F). Precipitation is minimal, with only 7 mm (0.3 in) over the course of just one day, resulting in high humidity at 81%. In contrast, August experiences milder temperatures, with a minimum of 12°C (54°F) and an average of 20°C (69°F), peaking at 32°C (90°F). This month is much wetter, delivering 113 mm (4.5 in) of rain spread over 12 days, alongside lower humidity at 68%. For a comprehensive overview of August weather, visit San Cristobal weather in August.

In comparing the weather of December and September, notable differences emerge in temperature and precipitation. December tends to be cooler, with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 27°C (82°F). In contrast, September is milder, with minimum temperatures around 9°C (48°F) and maximums reaching 30°C (86°F), offering a more comfortable environment for outdoor activities. Additionally, December experiences significantly less rainfall, with only 7 mm (0.3 in) over just 1 day, while September is much wetter, accumulating 141 mm (5.5 in) over 16 days. Both months maintain a consistent humidity level of 81%, but the overall feel of the weather varies greatly. For more specific insights regarding September weather, you can visit San Cristobal weather in September.

In comparing the weather of December and October, we see notable differences in temperature and precipitation. In December, temperatures range from a minimum of -2°C (29°F) to a maximum of 27°C (82°F), with an average of 14°C (58°F) and very low precipitation at just 7 mm (0.3 in) over 1 day. In contrast, October tends to be milder, with temperatures ranging from 5°C (41°F) to 30°C (87°F), averaging around 19°C (66°F). The month also experiences significantly more rainfall, totaling 53 mm (2.1 in) spread over 8 days. Humidity levels are relatively similar, at 81% in December and 83% in October. For a closer look at October weather specifics, you can visit San Cristobal weather in October.

In comparing the weather of December to November, we see that December enjoys slightly cooler temperatures with a minimum of -2°C (29°F) and an average of 14°C (58°F), compared to November's minimum of 1°C (34°F) and average of 16°C (62°F). While both months have similar maximum temperatures, where November peaks at 29°C (85°F) and December reaches a maximum of 27°C (82°F), November experiences more precipitation, measuring 14 mm (0.6 in) versus December's 7 mm (0.3 in), although both months have just one day of rainfall. Humidity remains fairly consistent, with December at 81% and November slightly higher at 84%. For a more detailed overview, you can check out the 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 is a captivating blend of cool temperatures and refreshing air, setting it apart from the warmth of other months. While the average temperature dips to a comfortable 14°C, nights can be quite chilly, plunging down to around -2°C, offering a stark contrast to the warmer summer months. The humidity remains notable at 81%, but the month sees minimal rainfall, with just one day reporting precipitation. This dry spell allows for clear skies, perfect for exploring the vibrant landscapes of the region. For those planning their visit, understanding these unique climatic traits can enhance the experience—discover more about what to expect at San Cristobal Climate.