January Weather in Mexico City, Mexico

Last updated: April 22, 2025

In January, Mexico City experiences a delightful blend of mild temperatures and occasional rainfall. The maximum temperature peaks at a pleasant 25°C (77°F), while the average hovers around 12°C (54°F), and chilly nights can see lows drop to -2°C (28°F). With only 14 mm (0.6 in) of precipitation over two days, the air remains refreshingly humid at 84%, making this month perfect for exploring the vibrant urban landscape. Whether you're wandering through historic streets or savoring the local cuisine, January's weather sets the stage for an enjoyable visit.

January Temperature in Mexico City

In January, Mexico City experiences a unique blend of cool and mild temperatures, making it one of the city's most enjoyable months. With nighttime lows dipping to -2°C (28°F), residents and visitors alike need to bundle up after dark. However, as the sun rises, the average temperature climbs to a comfortable 12°C (54°F), with highs reaching a pleasant 25°C (77°F) during the day. This trend of fluctuating temperatures is typical for the initial month of the year, reflecting a gradual warming as spring approaches. Compared to the subsequent month, February starts slightly milder, but the shift towards warmer averages becomes evident as the months progress. The pattern highlights not just the city's climatic diversity but also its transitional nature from the chilly winter months to the warmth of spring, inviting a variety of outdoor activities and exploration.

January Weather in Mexico City: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Mexico City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545761636563616161595654
Data source: Temperature data for Mexico City 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.

January Precipitation in Mexico City

In January, Mexico City experiences a relatively dry start to the year, with only 14 mm (0.6 in) of precipitation spread over just 2 days. This low volume sets the stage for a gradual increase in rainfall as the months progress. February sees a slight uptick with 15 mm (0.6 in), followed by a more notable rise in March that brings 26 mm (1.0 in). As the city shifts into spring, precipitation begins to escalate significantly, culminating in June, July, and August, where rainfall peaks at 160 mm (6.3 in) and 161 mm (6.3 in) respectively. This trend highlights a striking contrast between the dry beginnings of the year and the intense rainy season that follows, reflecting the dynamic climate patterns characteristic of the region. By the time January rolls around again, residents can expect a brief respite from the downpours, with this month serving as a calm prelude to the wetter months ahead.

January Precipitation Trends in Mexico City

The chart displays monthly precipitation patterns in Mexico City, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1415263954160161186204103317
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Mexico City

In January, Mexico City experiences a notable humidity level of 84%, setting the tone for a wet winter. This high humidity gradually decreases as the months progress, dropping to 78% in February and continuing a steady decline to 70% by April. As spring unfolds, humidity levels begin to rise again, peaking in late autumn with October's 91%—the city's most humid month. Interestingly, a mid-year dip occurs in July, where conditions are more comfortable at 68%, before humidity creeps back up toward the year's end. Overall, the city's humidity reflects a clear cyclical pattern, with January marking the start of a humid winter that transitions into a drier spring and culminates in a damp autumn, showcasing Mexico City's dynamic climate.

January Average Humidity in Mexico City

This chart illustrates the average monthly humidity levels in Mexico City, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Mexico City

In January, Mexico City experiences a UV Index of 10, falling into the very high exposure category with a burn time of just 15 minutes. As winter gives way to spring, the intensity escalates dramatically—by February, the UV Index soars to 12, indicating an extreme risk where skin can burn in as little as 10 minutes. This pattern of increasing UV radiation continues through the months, peaking at 15 in both April and May, before gradually tapering off in the fall months. Notably, November and December bring a slight relief as the index drops back to 10 and 8, respectively, yet still remains in the very high category. This trend emphasizes the importance of sun protection, even during the cooler months. For detailed information, visit Mexico City UV Index.

Maximum UV Index Levels in Mexico City for January

The chart shows the monthly maximum UV Index (UVI) for Mexico City in January, 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151414131412108
Data source: Mexico City January 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.

January Sunshine in Mexico City

January in Mexico City enjoys 236 hours of sunshine, setting a bright tone for the year ahead. As the months progress, the city basks in increasing light, with February bringing an additional 38 hours of sunlight, culminating in 316 hours by March. This upward trend continues, peaking in May with a remarkable 332 hours of sun, inviting locals and visitors alike to embrace outdoor activities. However, as summer approaches, sunshine levels begin to wane slightly, stabilizing around 290 hours during the latter half of the year. The consistent availability of sunlight throughout the year not only enhances the vibrant atmosphere of the city but also highlights its appeal as a year-round destination for sun-seekers.

Monthly Sunshine Duration in Mexico City: January Highlighted

The January sunshine duration represents the total number of hours Mexico City experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec236h274h316h317h332h287h293h285h264h273h275h291h
Data source: Mexico City January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mexico City During January

In Mexico City during January, there's a notable 55% chance of sunny weather, setting the stage for a promising start to the year. This likelihood fluctuates dramatically as the months progress; following January, February boasts an impressive 86% chance, marking it as one of the sunniest months. As spring approaches, the likelihood diminishes slightly to 74% in March and 62% in April, before falling to 46% in May. The trend takes a sharp decline during the summer months, where June to August see a mere 10% to 21% chance of sunshine. However, as the rainy season recedes, November and December bounce back to 52% and 75%, respectively, reminding us that sunny days can return as the year winds down. Overall, while January may have a decent chance for sun, it's clear that the transition from winter to spring heralds the sunniest days ahead in Mexico City.

Percentage of Sunny Days in January in Mexico City

The chart illustrates the percentage of sunny days in Mexico City throughout the year, with January 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 Mexico City experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%86%74%62%46%10%18%21%14%28%52%75%
Data source: Mexico City January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mexico City in January

In Mexico City, the daylight duration begins its annual cycle in January with a steady 11 hours of sunlight, a consistent theme that carries into February. As spring approaches in March and April, the days gradually lengthen, offering 12 hours of daylight. This trend continues into May and June, reaching the peak of 13 hours, allowing residents to soak up the vibrant atmosphere. Though the summer months maintain this generous light, August and September signal a gentle decline back to 12 hours. By October, daylight slips back to 11 hours, and as winter settles in, November and December bring shorter days, culminating in just 10 hours of daylight. This rhythmic ebb and flow not only marks the changing seasons but also enriches the cultural fabric of the city throughout the year.

Average Daylight Hours in Mexico City for January

The chart illustrates the variation in daylight duration in Mexico City throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 5m11h 30m12h 2m12h 35m13h 3m13h 17m13h 9m12h 44m12h 12m11h 39m11h 11m10h 57m
Data source: Mexico City daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Mexico City

In January, Mexico City experiences its calmest winds, with an average speed of 1.9 m/s (4 mph). This gentle breeze sets the tone for the month, as January's winds are slightly less vigorous compared to those in the subsequent months. As the year progresses, February sees a modest increase to 2.3 m/s (5 mph), indicating a shift towards slightly brisker conditions. The wind remains fairly consistent in March and April, maintaining an average of 2.1 m/s (5 mph) before gradually tapering off. This trend of fluctuating wind speeds continues throughout the year, with the calmest conditions present in the summer months of July and September, where speeds drop to a mere 1.5 m/s (3 mph). Overall, January sets a tranquil stage, making way for the variable breezes that characterize the evolving seasons in Mexico City.

Average January Wind Speed in Mexico City

The chart displays monthly wind speed patterns in Mexico City, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.9 m/s2.32.12.12.01.81.61.71.51.81.81.7
Data source: Mexico City January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Mexico City Compares to Other Months

The weather in Mexico City changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January'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 January, temperatures in Mexico City range from a chilly minimum of -2°C (28°F) to a pleasant maximum of 25°C (77°F), with an average temperature of 12°C (54°F). The month experiences low precipitation, with only 14 mm (0.6 in) over just 2 days, and humidity remains relatively high at 84%. In contrast, February sees a slight increase in temperatures, with minimums of 2°C (36°F), an average of 14°C (58°F), and maximums reaching 28°C (82°F). Precipitation also increases slightly to 15 mm (0.6 in) occurring over 4 days, while humidity decreases to 78%. For more detailed information, check out Mexico City weather in February.

In January, the weather in Mexico City is characterized by cooler temperatures, with a minimum of -2°C (28°F) and an average of 12°C (54°F), reaching a maximum of 25°C (77°F). Precipitation is relatively low, totaling 14 mm (0.6 in) over just 2 days, and the humidity is quite high at 84%. In contrast, March brings milder and warmer temperatures, with a minimum of 4°C (39°F) and an average of 16°C (61°F), peaking at 30°C (86°F). However, March experiences more rainfall, accumulating 26 mm (1.0 in) over 6 days, and the humidity decreases slightly to 75%. For more details, check out Mexico City weather in March.

When comparing the weather in January and April, notable differences emerge. January experiences cooler temperatures, with a minimum of -2°C (28°F) and an average of 12°C (54°F), while April sees milder conditions, with a minimum of 5°C (41°F) and an average of 17°C (63°F). Additionally, April has a higher maximum temperature of 30°C (86°F) compared to January's maximum of 25°C (77°F). Precipitation is also more frequent in April, with 39 mm (1.5 in) falling over 9 days, whereas January only sees 14 mm (0.6 in) over 2 days. Moreover, January's humidity level is higher at 84%, in contrast to April's lower humidity of 70%. For more details, you can check out Mexico City weather in April.

In January, the weather is quite cool, with temperatures ranging from a minimum of -2°C (28°F) to a pleasant maximum of 25°C (77°F), accompanied by high humidity at 84%. Precipitation is minimal, occurring on just 2 days and totaling 14 mm (0.6 in). In contrast, May brings warmer conditions, with temperatures starting at a milder 7°C (45°F) and reaching up to 31°C (88°F), showcasing an average temperature of 18°C (65°F). However, May is much wetter, experiencing precipitation on 11 days and accumulating 54 mm (2.1 in) of rain, while humidity slightly decreases to 77%. For a detailed look at the weather in May, you can refer to Mexico City weather in May.

In January, the weather in Mexico City features a more temperate climate, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 25°C (77°F) and an average of 12°C (54°F). The month experiences relatively low precipitation, with only 14 mm (0.6 in) over 2 days, and humidity levels are high at 84%. In contrast, June brings a significant increase in warmth, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (88°F) and an average of 17°C (64°F). However, June is also marked by much higher rainfall, totaling 160 mm (6.3 in) across 17 days, accompanied by a slightly lower humidity of 76%. For more details, check out Mexico City weather in June.

In January, the weather is notably cooler, with temperatures ranging from a chilly minimum of -2°C (28°F) to a comfortable maximum of 25°C (77°F), and average temperatures hovering around 12°C (54°F). The month sees minimal precipitation, with just 14 mm (0.6 in) over 2 days and relatively high humidity at 84%. In contrast, July experiences milder temperatures with a minimum of 8°C (48°F) and a maximum of 26°C (80°F), averaging around 16°C (62°F). However, July also brings significantly more rainfall, accumulating 161 mm (6.3 in) over 24 days, coupled with a lower humidity level of 68%. For more detailed information on the summer conditions, check out the Mexico City weather in July.

January and August exhibit contrasting weather patterns. In January, temperatures range from a chilly minimum of -2°C (28°F) to a pleasant maximum of 25°C (77°F), with an average of 12°C (54°F). The month sees minimal precipitation, with only 14 mm (0.6 in) falling over just 2 days and high humidity at 84%. In contrast, August experiences milder temperatures, with minimums of 9°C (49°F) and maximums reaching 26°C (78°F). The average temperature is about 16°C (61°F), but the month is characterized by significantly higher precipitation, totaling 186 mm (7.3 in) across 26 days, alongside lower humidity at 70%. For more details, visit Mexico City weather in August.

In January, the weather is characterized by mild temperatures, with a minimum of -2°C (28°F) and an average of 12°C (54°F), reaching a maximum of 25°C (77°F). The month experiences relatively low precipitation, totaling only 14 mm (0.6 in) over just 2 days, and humidity levels are fairly high at 84%. In contrast, September brings more moderate temperatures with a minimum of 6°C (43°F) and an average of 16°C (61°F), while still peaking at a maximum of 25°C (77°F). However, September is significantly wetter, with 204 mm (8.0 in) of rainfall occurring over 22 days, and humidity remains similar at 82%. For more details, you can visit Mexico City weather in September.

In comparing the weather between January and October, January tends to be cooler with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 25°C (77°F), averaging around 12°C (54°F). Precipitation is relatively low, with only 14 mm (0.6 in) recorded over just 2 days and a humidity level of 84%. In contrast, October experiences slightly warmer temperatures, with minimums of 3°C (37°F) and maximums reaching 26°C (79°F), averaging 15°C (59°F). However, it is much wetter, with 103 mm (4.0 in) of rainfall spread over 15 days and a higher humidity of 91%. For more detailed information, check out Mexico City weather in October.

In January, temperatures in Mexico City range from a low of -2°C (28°F) to a high of 25°C (77°F), with an average of 12°C (54°F) and relatively low precipitation of 14 mm (0.6 in) occurring over just 2 days. Humidity is moderate at 84%. In contrast, November experiences slightly warmer temperatures, with a minimum of 1°C (34°F) and a maximum of 26°C (79°F), averaging 13°C (56°F). However, November also sees increased precipitation, with 31 mm (1.2 in) distributed over 5 days, resulting in higher humidity levels at 89%. For a closer look at November weather, you can check Mexico City weather in November.

In December, the weather in Mexico City generally sees slightly milder temperatures, with an average of 12°C (55°F) and a maximum of 24°C (76°F), compared to January, where the average remains the same, but the maximum can reach up to 25°C (77°F). December also experiences slightly less precipitation, with only 7 mm (0.3 in) over just one day, while January sees 14 mm (0.6 in) over two days. Additionally, December is a bit more humid, with levels of 88% compared to January's 84%. For a more detailed look at December weather, check out Mexico City weather in December.

Compare Mexico City's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Mexico City

January in Mexico City presents a noteworthy departure from the warmer months, characterized by crisp air and cooler temperatures that can dip to -2°C at night. While the average daytime warmth reaches a pleasant 12°C, the city sees significantly lower humidity levels compared to the summer, making the weather feel milder and more comfortable. Though the month experiences minimal rainfall, with only 14 mm falling over just 2 days, the overall atmospheric moisture remains relatively high at 84%, adding a touch of freshness to the winter scene. This unique blend of cool evenings and mild days makes January an ideal time to explore the vibrant streets of Mexico City. For a deeper dive into the dynamics of its climate, visit Mexico City Climate.