Last updated: April 22, 2025
December in Mexico City brings a pleasantly mild climate, characterized by a maximum temperature of 24°C (76°F) and an average of 12°C (55°F), making it an ideal time for outdoor exploration. Nighttime can be chilly, dipping to a minimum of -1°C (30°F), so layering is advisable. This month also witnesses a modest precipitation amount of just 7 mm (0.3 in) over a single rainy day, contributing to the high humidity levels of 88%. Visitors will enjoy the vibrant atmosphere of the city, complemented by cool breezes and clear skies during the daytime.
In December, Mexico City experiences a noticeable drop in temperatures as it transitions into winter. With nighttime lows dipping to -1°C (30°F), the chill in the air is palpable, yet the days remain relatively mild with averages around 12°C (55°F). While the maximum temperature reaches a comfortable 24°C (76°F), the contrast between day and night sets the tone for the month. As the year comes to a close, residents and visitors alike can expect a blend of cozy evenings and pleasantly warm afternoons, making it an ideal time to explore the city's vibrant holiday festivities. Overall, December’s temperatures reflect a seasonal shift, hinting at the cool yet inviting climate characteristic of this lively metropolis.
In December, Mexico City experiences a significant drop in precipitation, with only 7 mm (0.3 inches) recorded, making it the month's driest point in the annual cycle. This contrasts sharply with the preceding months, particularly June through September, which are characterized by heavy rainfall, accumulating well over 160 mm each month. Additionally, precipitation days in December are minimal, with rainfall expected on just one day, highlighting a shift towards drier winter conditions. Overall, the transition from the robust rainy season to this quieter month showcases the city's distinct seasonal patterns, where the festive atmosphere of December melds with a respite from the frequent downpours typical of the summer months.
In December, Mexico City experiences a humidity level of 88%, slightly lower than the peak of 91% noted in October but still indicative of the city's generally humid climate as the year winds down. This month typically sees high humidity levels as it follows the summer months, where July and August recorded some of the lowest humidity figures at 68% and 70%, respectively. As we transition into the winter, humidity levels gradually rise again, peaking in late autumn before settling down as the year closes. Overall, the trend shows a gradual increase in humidity from the drier months of spring into the more humid winter season, making December a notably moist time in this vibrant city.
December in Mexico City marks a slight easing in UV intensity as the UV Index dips to 8, categorized as very high, with a burn time of 15 minutes. This month highlights a general trend of diminishing UV levels compared to the stark extremes reached between February and April, where indices soared to 15. As the year closes, residents can enjoy more time outdoors with a bit more caution. However, it remains essential to stay vigilant, especially given the preceding months of high UV exposure. For more details, check out the Mexico City UV Index to plan your sun-related activities wisely.
UV Risk Categories
December in Mexico City brings a delightful blend of sunshine, with an impressive 291 hours of daylight that sets the stage for festive celebrations. As the year comes to a close, the city basks in its characteristic warmth, contributing to a vibrant atmosphere amidst the holiday cheer. The month stands out as a time when sunlight begins to wane slightly compared to the peak brightness of May, which boasts a remarkable 332 hours. Yet, December still retains more sunlight than several other months, such as January and November, highlighting a comforting transition into winter. This balance of brightness makes December an ideal time for both locals and visitors to explore the rich cultural tapestry of Mexico City under a pleasantly sunny sky.
December in Mexico City presents a notable likelihood of sunny weather, with a solid 75% chance of sunshine. This marks a significant upswing compared to the rainy summer months, where the sun shines only 10-21% of the time from June to August. As the year winds down, the chances of clear skies improve markedly, especially when compared to the lower probabilities seen in the late fall months, where November holds a 52% chance. With temperatures that are typically mild, December offers a delightful combination of sunny days perfect for exploring the vibrant culture and outdoor attractions of Mexico's capital.
In Mexico City, December marks the transition into shorter days, with daylight lasting only 10 hours. This decline from the more robust 11 hours seen in November signifies the city's gradual move into winter, where daylight hours continue to dwindle. Observing the broader trend throughout the year, daylight duration peaks in May, providing an impressive 13 hours of sun, while the spring months enjoy a steady increase, ultimately balancing out in July and August. As we move towards the end of the year, daylight slowly recedes, re-emphasizing the city's notable seasonal rhythm and inviting residents to embrace the cozy evenings that come with longer nights.
In December in Mexico City, the wind dances at an average speed of 1.7 m/s (approximately 4 mph), marking a subtle drop from the slightly higher speeds experienced earlier in the year. This gentle breeze continues a trend observed since July, where the winds began to slow, reflecting a consistent pattern of decreasing wind speed as the year draws to a close. As the city embraces the festive spirit of the holiday season, the calmness in the air complements the vibrant atmosphere, making for an inviting experience amid the bustling urban life. With wind speeds tapering off, December suggests a period of reflection and tranquility, inviting both locals and visitors to enjoy the sights and sounds of this vibrant metropolis in a surprisingly gentle embrace.
The weather in Mexico City 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 Mexico City and find detailed weather information for every month.
In December, temperatures in Mexico City range from a minimum of -1°C (30°F) to a maximum of 24°C (76°F), with an average temperature of 12°C (55°F). The month experiences low precipitation at 7 mm (0.3 in) over just one day, and humidity remains high at 88%. In contrast, January sees slightly cooler temperatures, with a minimum of -2°C (28°F) and a slight increase in the maximum to 25°C (77°F), while the average temperature remains relatively stable at 12°C (54°F). Precipitation rises to 14 mm (0.6 in) over two days, and humidity drops to 84%. For more detailed information, you can check Mexico City weather in January.
December and February showcase distinct weather patterns in Mexico City. In December, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 24°C (76°F), with an average of 12°C (55°F). The month experiences limited precipitation, with only 7 mm (0.3 in) over just one day, resulting in a high humidity level of 88%. In contrast, February sees slightly warmer conditions, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 28°C (82°F) and an average of 14°C (58°F). Precipitation increases to 15 mm (0.6 in) over four days, and humidity decreases to 78%. For more information, you can check Mexico City weather in February.
When comparing the weather in December and March, December tends to be cooler with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 24°C (76°F), while March shows a noticeable warming trend, with temperatures starting from a minimum of 4°C (39°F) and peaking at 30°C (86°F). Additionally, March experiences significantly more precipitation, averaging 26 mm (1.0 in) over six days, in contrast to December's minimal 7 mm (0.3 in) over just one day. The humidity levels are also slightly lower in March at 75%, compared to December's higher humidity of 88%. For more detailed information, you can check Mexico City weather in March.
In December, Mexico City experiences relatively cool temperatures, with averages ranging from a minimum of -1°C (30°F) to a maximum of 24°C (76°F). The month sees minimal precipitation at just 7 mm (0.3 in) over about one day, and the humidity is quite high at 88%. In contrast, April brings much warmer weather, with temperatures varying from a minimum of 5°C (41°F) to a maximum of 30°C (86°F) and an average of 17°C (63°F). Precipitation in April is significantly higher at 39 mm (1.5 in) over about nine days, and the humidity drops to a more comfortable 70%. For more detailed information, you can explore Mexico City weather in April.
December and May present contrasting weather patterns. December features cooler temperatures, with an average of 12°C (55°F) and a maximum of 24°C (76°F) during the day, while the nights can drop to a chilly -1°C (30°F). Precipitation is minimal, with only 7 mm (0.3 in) recorded over just one day, and humidity is relatively high at 88%. In contrast, May enjoys warmer weather, where temperatures range from a minimum of 7°C (45°F) to a comfortable high of 31°C (88°F), averaging around 18°C (65°F). However, it also experiences significantly more rainfall, with 54 mm (2.1 in) of precipitation spread over 11 days, and humidity at 77%. For a deeper look into May's conditions, you can visit Mexico City weather in May.
In December, the weather is characterized by cooler temperatures, with averages around 12°C (55°F) and a maximum of 24°C (76°F), while precipitation is minimal, only about 7 mm over just one day. The high humidity of 88% can make the air feel more clammy. In contrast, June features much warmer weather, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (88°F) and a significantly higher average of 17°C (64°F). However, this month also brings heavy rainfall, totaling around 160 mm spread over 17 days, and lower humidity at 76%. For more detailed information, check out Mexico City weather in June.
December weather in Mexico City is characterized by cooler temperatures, with a minimum of -1°C (30°F) and an average of 12°C (55°F), peaking at a maximum of 24°C (76°F). The month sees minimal precipitation, only about 7 mm (0.3 in) over just one day, along with high humidity levels at 88%. In contrast, July experiences a much milder temperature range, with minimums around 8°C (48°F) and maximums reaching 26°C (80°F), and an average of 16°C (62°F). However, it is notably wetter, with approximately 161 mm (6.3 in) of rain spread over 24 days, and a lower humidity of 68%. For a detailed overview of what to expect, you can check out Mexico City weather in July.
When comparing the weather between December and August, notable contrasts emerge. December experiences milder temperatures, with an average of 12°C (55°F) and a maximum reaching up to 24°C (76°F), while the minimum can drop to -1°C (30°F). Precipitation is relatively low during this month, with just 7 mm (0.3 in) of rain over a single day, and high humidity at 88%. In contrast, August sees warmer temperatures, with an average of 16°C (61°F) and a maximum of 26°C (78°F). However, it is also much wetter, receiving 186 mm (7.3 in) of rain over 26 days, and has lower humidity at 70%. For more detailed information about weather patterns, you can visit Mexico City weather in August.
The weather in December is generally milder and drier compared to September. December features a minimum temperature of -1°C (30°F) and a comfortable average of 12°C (55°F), with maximum temperatures reaching up to 24°C (76°F). In contrast, September experiences a wider range of temperatures, with minimums around 6°C (43°F) and maximums peaking at 25°C (77°F), but it also comes with significant rainfall, totaling 204 mm (8.0 in) over 22 days. Additionally, December has a humidity level of 88%, slightly higher than September's 82%. For more details on September weather, you can visit Mexico City weather in September.
December weather tends to be cooler than October, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 24°C (76°F), while October experiences milder temperatures between 3°C (37°F) and 26°C (79°F). Additionally, December is considerably drier, with only 7 mm (0.3 in) of precipitation over just one day, compared to October's 103 mm (4.0 in) over 15 days. Humidity levels are slightly lower in December at 88%, whereas October has a higher humidity of 91%. For more detailed information, check out Mexico City weather in October.
In comparing the weather between December and November, December tends to be slightly cooler, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 24°C (76°F), compared to November's range of 1°C (34°F) to 26°C (79°F). Additionally, December experiences significantly less precipitation, with only 7 mm (0.3 in) falling over just 1 day, while November sees 31 mm (1.2 in) across 5 days. Humidity remains relatively consistent between the two months, hovering around 88% in December and 89% in November. For more detailed information, you can check Mexico City weather in November.
As December rolls into Mexico City, the weather transforms into a refreshing and mild experience, offering a delightful contrast to the hotter months. With maximum temperatures reaching a comfortable 24°C (76°F) and cooler nights averaging around 12°C (55°F), the city's climate invites both locals and visitors to enjoy the outdoors. Unlike other months, December sees minimal precipitation, with only a single day of light rain and humidity levels hovering around 88%. This creates a unique blend of crisp air and sunny days, perfect for exploring the vibrant culture and stunning sights. For a deeper understanding of the city's overall conditions, check out Mexico City Climate.