December Weather in Santiago Tlalpan, Mexico

Last updated: April 22, 2025

December weather in Santiago Tlalpan, Mexico offers a unique blend of cool and mild temperatures, with a maximum of 25°C (77°F) and an average of 12°C (55°F). Residents and visitors can expect occasional chill, as temperatures may dip to a minimum of -3°C (27°F) during the month. The precipitation is minimal, totaling only 4 mm (0.2 in) over just 1 day, making December a relatively dry time in this region. With humidity levels at 88%, the crisp air often feels refreshing, perfect for enjoying the scenic beauty of Tlalpan.

December Temperature in Santiago Tlalpan

In December, Santiago Tlalpan experiences a range of temperatures that beautifully encapsulates the transition into winter. The minimum dips to -3°C (27°F), marking the coldest point of the year, while the averages hover around 12°C (55°F), providing a refreshing chill. As the month progresses, daytime highs can reach up to 25°C (77°F), offering moments of warmth amidst the cooler nights. This contrast highlights a unique trend where December serves as a bridge between the briskness of winter and the warmth of the past months, reflecting the region's varied climate. As the year draws to a close, Santiago Tlalpan invites residents and visitors alike to enjoy the crisp air while relishing the lingering warmth of the sunlit days.

December Weather in Santiago Tlalpan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santiago Tlalpan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec535760626362616160595654
Data source: Temperature data for Santiago Tlalpan 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 Santiago Tlalpan

During December in Santiago Tlalpan, precipitation drops significantly, marking it as one of the driest months of the year. With a mere 4 mm (0.2 in) of rain falling across just 1 day, December contrasts sharply with the heavier rainfall seen in the preceding months, particularly from June to September, where totals often exceeded 100 mm. This decline reflects a broader trend of diminishing precipitation as the year concludes, showcasing a transition from the lush, rain-soaked summer months to the drier winter season. As such, December serves as a gentle reminder of the region's climatic shifts, offering a brief respite from the frequent showers that define the earlier part of the year.

December Precipitation Trends in Santiago Tlalpan

The chart displays monthly precipitation patterns in Santiago Tlalpan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1071731571419812614969204
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santiago Tlalpan

In Santiago Tlalpan, Mexico, December brings a notable humidity level of 88%, maintaining a pattern seen throughout the late year. As the months progress from the dry heat of April with only 70% humidity, the air becomes increasingly dense, peaking in October at 91%. This trend peaks during the last quarter, highlighting a shift towards more humid conditions as the year draws to a close. Despite the slight dip in November to 89%, December's humidity remains elevated, creating a characteristic tropical feel that sets the stage for the cooler winter months ahead. Overall, the transition from lower humidity in spring to the balmy embrace of late fall is a defining feature of Santiago Tlalpan's climate.

December Average Humidity in Santiago Tlalpan

This chart illustrates the average monthly humidity levels in Santiago Tlalpan, 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%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santiago Tlalpan

As the year draws to a close, December in Santiago Tlalpan sees a slight dip in the UV Index, registering at 9 with a corresponding exposure category of very high. This reduction marks a gentle easing from the extreme levels observed in the preceding months of April through October, where the UV Index peaked at 15. Seasonal trends in UV exposure reflect a gradual decline as winter approaches, yet caution is still advised, as a burn time of just 15 minutes can still pose risks for sun-sensitive individuals. This cyclical pattern highlights the importance of protective measures year-round. For detailed insights into the UV Index throughout the year, visit Santiago Tlalpan UV Index.

Maximum UV Index Levels in Santiago Tlalpan for December

The chart shows the monthly maximum UV Index (UVI) for Santiago Tlalpan 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
Data source: Santiago Tlalpan 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 Santiago Tlalpan

In December, Santiago Tlalpan basks in an inviting glow with 287 hours of sunshine, providing a delightful transition into the festive season. As the year unfolds, there’s a steady upward trend in daylight hours from January’s 231 hours to May’s peak at 326 hours. This gradual increase then tapers off slightly during the summer months, with June and July showcasing 286 and 303 hours respectively. As autumn settles in, sunshine hours gradually decrease, but December still offers a sprightly amount of light, ensuring that the city's charm shines bright even as the year draws to a close. The consistent availability of warm sunshine not only enhances outdoor activities but also adds a cheerful ambiance to the holiday spirit, making Santiago Tlalpan a radiant destination throughout December.

Monthly Sunshine Duration in Santiago Tlalpan: December Highlighted

The December sunshine duration represents the total number of hours Santiago Tlalpan 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.
JanFebMarAprMayJunJulAugSepOctNovDec231h271h311h312h326h286h303h291h263h270h270h287h
Data source: Santiago Tlalpan December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santiago Tlalpan During December

In Santiago Tlalpan, Mexico, December offers a promising 68% chance of sunny weather, positioning it as a delightful end to the year. As we transition from the cooler temperatures of November, which sees only a 48% chance of sun, December's likelihood increases noticeably, continuing a trend of increasing sunshine as we move from the rainy summer months. This pattern highlights a significant recovery from the sunless weeks of June and July, where chances plummet to just 11% and 21%, respectively. With the days turning brighter and more inviting, December emerges as a favorable time for outdoor activities and festive celebrations under the sun.

Percentage of Sunny Days in December in Santiago Tlalpan

The chart illustrates the percentage of sunny days in Santiago Tlalpan 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 Santiago Tlalpan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%83%73%60%42%11%22%28%15%29%48%69%
Data source: Santiago Tlalpan December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santiago Tlalpan in December

As the year wraps up, December in Santiago Tlalpan, Mexico, brings a gentle decline in daylight duration, averaging around 10 hours per day. This is a noticeable shift from the brighter months of summer, which boast up to 13 hours of daylight in both May and June. The transition through the year shows a gradual increase in daylight from January to May, peaking in mid-year and then slowly descending back into the shorter days of late fall and winter. The rhythm of daylight reflects the region's seasonal changes, inviting a cozy ambiance as the year draws to a close, encouraging evenings filled with warmth and celebration.

Average Daylight Hours in Santiago Tlalpan for December

The chart illustrates the variation in daylight duration in Santiago Tlalpan throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 5m11h 30m12h 2m12h 35m13h 3m13h 16m13h 9m12h 44m12h 12m11h 39m11h 11m10h 57m
Data source: Santiago Tlalpan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Santiago Tlalpan

As December settles in Santiago Tlalpan, the average wind speed gently declines to 1.8 m/s (4 mph), marking the year’s calmest period. This trend of decreasing wind speeds is notable, especially when compared to the earlier months, where breezes lingered between 2.0 m/s and 2.6 m/s. The transition from the lively winds of spring and summer leads into the more tranquil atmosphere of winter, creating a serene backdrop for the festive season. In contrast, September recorded the lowest winds of the year, touching 1.9 m/s (4 mph), highlighting a subtle, yet significant fluctuation in wind patterns as the year draws to a close. As the year winds down, December's soft breezes invite moments of reflection amidst the peaceful charm of the season.

Average December Wind Speed in Santiago Tlalpan

The chart displays monthly wind speed patterns in Santiago Tlalpan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.62.32.22.12.02.02.21.92.12.21.8 m/s
Data source: Santiago Tlalpan December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Santiago Tlalpan Compares to Other Months

The weather in Santiago Tlalpan 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 Santiago Tlalpan and find detailed weather information for every month.

December and January in Santiago Tlalpan exhibit mild temperatures, with January experiencing slightly warmer conditions overall. December's average temperature rests at 12°C (55°F), while January maintains the same average but has a slightly higher minimum temperature of -1°C (30°F) compared to December's -3°C (27°F). Precipitation increases in January, totaling 10 mm (0.4 in) over three days, compared to just 4 mm (0.2 in) on one day in December. Humidity also remains high in both months, with December at 88% and January slightly lower at 84%. For more details about the weather in January, you can visit Santiago Tlalpan weather in January.

December and February present contrasting weather patterns, with December showcasing a wider temperature range from a chilly minimum of -3°C (27°F) to a warm maximum of 25°C (77°F). The average temperature in December hovers around 12°C (55°F), accompanied by high humidity at 88% and minimal precipitation of just 4 mm (0.2 in) across one day. In contrast, February boasts milder temperatures with a minimum of 2°C (36°F) and a maximum of 28°C (82°F), leading to an average of 14°C (57°F). This month experiences slightly higher precipitation at 7 mm (0.3 in) while maintaining a lower humidity level of 78%. For more details on the February weather, you can visit Santiago Tlalpan weather in February.

December and March weather in Santiago Tlalpan display notable contrasts. In December, temperatures range from a chilly minimum of -3°C (27°F) to a comfortable maximum of 25°C (77°F), with an average of 12°C (55°F). This month experiences minimal precipitation with only 4 mm (0.2 in) occurring over just 1 day, resulting in high humidity levels of 88%. In contrast, March brings milder conditions with temperatures ranging from a minimum of 2°C (36°F) to a pleasantly warm maximum of 30°C (86°F), averaging around 16°C (61°F). The precipitation increases to 17 mm (0.7 in) spread across 5 days, while humidity decreases to a more comfortable 75%. For more detailed insights, check out Santiago Tlalpan weather in March.

In December, temperatures in Santiago Tlalpan range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 25°C (77°F), with an average temperature of 12°C (55°F). The month typically sees very little precipitation, totaling just 4 mm (0.2 in) over a single day, accompanied by high humidity at 88%. In contrast, April experiences milder weather, with temperatures fluctuating between a minimum of 4°C (40°F) and a maximum of 29°C (84°F), resulting in an average of 17°C (62°F). However, April is significantly wetter, with 31 mm (1.2 in) of rain spread over 9 days and lower humidity at 70%. For a closer look at the weather specifics, you can visit Santiago Tlalpan weather in April.

In December, the weather tends to be cooler with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 25°C (77°F), providing an average of 12°C (55°F). This month experiences very little rain, with only 4 mm (0.2 in) of precipitation over just one day, while humidity remains high at 88%. In contrast, May brings warmer weather, where the temperatures range from a minimum of 6°C (42°F) to a maximum of 29°C (85°F), with an average of 17°C (64°F). However, May is significantly wetter, accumulating 57 mm (2.2 in) of precipitation over approximately 12 days, and the humidity is slightly lower at 77%. To learn more about the weather specifics in May, you can check Santiago Tlalpan weather in May.

In December, the weather in Santiago Tlalpan is relatively cool, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 25°C (77°F). The average temperature hovers around 12°C (55°F), and the region experiences low precipitation levels, with only 4 mm (0.2 in) over just one day, resulting in high humidity at 88%.

In contrast, June brings a warmer climate, with temperatures ranging from a minimum of 7°C (46°F) to a maximum of 29°C (84°F) and an average temperature of 16°C (62°F). However, June is characterized by significant rainfall, totaling 141 mm (5.5 in) across 17 days, and a lower humidity level of 76%. The shift from the colder, drier December to the warmer, wetter June creates a stark contrast in the overall weather patterns. For more detailed insights, you can check Santiago Tlalpan weather in June.

December and July showcase distinctly different weather patterns. In December, temperatures can dip as low as -3°C (27°F) and see an average of 12°C (55°F), with a maximum of 25°C (77°F). The month is relatively dry, with only 4 mm (0.2 in) of precipitation over just one day and humidity levels at a high 88%. In contrast, July brings warmer conditions, with minimum temperatures around 6°C (43°F) and an average of 16°C (61°F), reaching up to 26°C (80°F) at times. However, July is also much wetter, recording 97 mm (3.8 in) of precipitation across 18 days and a lower humidity level of 68%. For more detailed insights into July weather, you can check out Santiago Tlalpan weather in July.

December weather features a broader temperature range, with lows dipping to -3°C (27°F) and highs reaching up to 25°C (77°F), making it generally milder overall, with only 1 day of precipitation totaling just 4 mm (0.2 in) and high humidity at 88%. In contrast, August experiences a warmer climate, where temperatures range from a minimum of 8°C (46°F) to a maximum of 27°C (80°F), but it sees significantly more rain, averaging 126 mm (5.0 in) over 19 days, along with lower humidity levels at 70%. For a detailed overview, you can check this link: Santiago Tlalpan weather in August.

When comparing the weather in December and September, it's clear that December tends to be cooler and drier. In December, temperatures range from a minimum of -3°C (27°F) to an average of 12°C (55°F), with a maximum reaching 25°C (77°F). The month sees minimal precipitation, with only about 4 mm (0.2 in) over just one day, and a humidity level of 88%. In contrast, September features milder temperatures, with a minimum of 5°C (41°F), an average of 16°C (61°F), and a maximum of 27°C (80°F). However, it is significantly wetter, receiving approximately 149 mm (5.9 in) of rain across 21 days, with a slightly lower humidity of 82%. For more detailed insights, you can check out Santiago Tlalpan weather in September.

In comparing the weather of December and October, December tends to be cooler with a minimum temperature dropping to -3°C (27°F) and an average of 12°C (55°F), while October sees milder conditions with a minimum of 2°C (37°F) and an average of 15°C (59°F). October also experiences significantly higher precipitation, totaling 69 mm (2.7 in) over about 12 days, in stark contrast to December's minimal 4 mm (0.2 in) from just one day of rain. Humidity levels are relatively high in both months, with December at 88% and October slightly higher at 91%. For a detailed look at October's weather, you can visit Santiago Tlalpan weather in October.

In comparing the weather between December and November, December tends to be cooler overall, with minimum temperatures dipping to -3°C (27°F) compared to November's minimum of 0°C (33°F). The average temperature in December hovers around 12°C (55°F), while in November, it is slightly higher at 13°C (56°F). Both months see warm maximum temperatures, with December reaching up to 25°C (77°F) and November peaking at 27°C (80°F). Furthermore, December experiences significantly less precipitation, with only 4 mm (0.2 in) over 1 day, in contrast to November's 20 mm (0.8 in) spread over 3 days. Both months have comparable humidity levels, with December at 88% and November slightly higher at 89%. For more detailed information, you can check Santiago Tlalpan weather in November.

Compare Santiago Tlalpan's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Santiago Tlalpan

As December rolls into Santiago Tlalpan, the weather transforms notably from the warmer months, offering a refreshing blend of cool temperatures and high humidity. While daytime highs reach a pleasant 25°C (77°F), the nights can plunge to much chillier lows, sometimes dipping to -3°C (27°F), creating a delightful contrast that invites cozy layers. This month stands out with minimal precipitation—only a single day of rain—and a stark decrease in humidity compared to the wetter seasons. With such unique weather characteristics, December offers a serene escape and a strikingly different atmosphere, making it an ideal time for outdoor activities. For a deeper understanding of trends and variations throughout the year, be sure to check the Santiago Tlalpan Climate page.