May Weather in Mexico City, Mexico

Last updated: April 22, 2025

In May, Mexico City experiences a delightful transition into warmer weather, with maximum temperatures reaching up to 31°C (88°F) and an average temperature of 18°C (65°F). The nights can be cooler, dropping to a minimum of 7°C (45°F), offering a refreshing respite. Although this month brings a notable precipitation amount of 54 mm (2.1 in) over approximately 11 days, the overall humidity remains relatively high at 77%, contributing to the lush greenery of the city. May is an ideal time for visitors to enjoy the vibrant atmosphere, albeit with occasional showers that add to the charm of this bustling metropolis.

May Temperature in Mexico City

In May, Mexico City experiences a delightful transition into warmer weather, with temperatures ranging from a cool 7°C (45°F) at night to a balmy 31°C (88°F) during the day. The average temperature settles at a comfortable 18°C (65°F), making it an ideal time for outdoor adventures and cultural explorations. As spring reaches its peak, residents and visitors alike enjoy longer days filled with sunlight, paving the way for vibrant street festivals and lively gatherings. This month marks a notable warm-up from the previous months, which tend to linger in the mid-teens, highlighting May as a promising harbinger of summer's approach.

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

The chart illustrates May 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.

May Precipitation in Mexico City

In May, Mexico City experiences a notable uptick in precipitation, with an increase to 54 mm (2.1 in) over about 11 days of rain, marking a significant rise from the 39 mm (1.5 in) recorded in April. This pattern heralds the onset of the rainy season, as the city transitions into months of more consistent rainfall. By comparison, the months preceding May show relatively lower averages, with January through April receiving only 14 mm to 39 mm. As the city braces for the impending heavy downpours of June and July, May acts as a pivotal month, setting the stage for the dramatic spikes in precipitation that follow, as typical rainfall in June surges to 160 mm (6.3 in).

May Precipitation Trends in Mexico City

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

May ushers in a moderate shift in humidity levels for Mexico City, with an average of 77%—a slight increase from the 70% recorded in April. This month marks a transitional phase as the city approaches its warmer summer months, with humidity levels gradually rising after hitting their lowest point in July at 68%. The trend showcases a clear seasonal pattern, where humidity spikes again as the city braces for the typically more humid late summer and fall months, peaking at 91% in October. Thus, May's humidity serves as a gentle reminder of the shifting climate, balancing on the brink of summer's heat while still holding onto a bit of spring's freshness.

May Average Humidity in Mexico City

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

May UV Index in Mexico City

In May, Mexico City experiences one of its peak UV Index readings at 15, categorizing the exposure as extreme with a burn time of just 10 minutes. This intensity maintains a consistent trend from the previous month, April, which also recorded a UV Index of 15. As the months progress towards the summer, the UV Index remains high, with June and July following closely at 14, underscoring the ongoing need for sun protection. Being aware of these patterns is crucial, especially for those who plan to spend time outdoors. For more detailed information, visit the Mexico City UV Index.

Maximum UV Index Levels in Mexico City for May

The chart shows the monthly maximum UV Index (UVI) for Mexico City in May, 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 May 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.

May Sunshine in Mexico City

May shines brightly in Mexico City, boasting an impressive 332 hours of sunshine—the highest of the year. This month marks a delightful transition from the lighter days of April, which saw 317 hours of sun, reflecting a trend of increasing brightness as spring unfolds. Following May, sunshine begins to taper off in June, with 287 hours recorded, suggesting that while summer is on the horizon, its radiance may come with occasional clouds. Overall, the increasing sunlight hours from January’s 236 to May’s peak illustrate a gradual awakening, inviting locals and visitors alike to bask in the warmth of this vibrant city.

Monthly Sunshine Duration in Mexico City: May Highlighted

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

Chance of Sun in Mexico City During May

In Mexico City, the likelihood of sunny weather in May takes a noticeable dip, with a 46% chance of clear skies, marking a decline from the slightly sunnier months preceding it. As April enjoys a 62% chance of sun, this decrease hints at the onset of the rainy season, which sharply follows in June with only a 10% likelihood of sunshine. This trend illustrates how spring transitions into summer in Mexico City, where the brilliant sunshine typical of earlier months becomes less reliable, paving the way for increased rainfall as the year progresses. The pattern serves as a reminder to enjoy the sunny days while they last!

Percentage of Sunny Days in May in Mexico City

The chart illustrates the percentage of sunny days in Mexico City throughout the year, with May 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 May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mexico City in May

As spring transitions into summer, Mexico City experiences an upward trend in daylight duration, peaking in May with an inviting 13 hours of sunlight. This increase reflects the city’s shift toward longer days, a change that begins in March with 12 hours and continues steadily through June. The warm embrace of daylight starts to taper off in August, gently reverting back to 12 hours, and then to 11 hours by October. Overall, the progression not only highlights the vibrant energy of spring and summer but also serves as a reminder of the cyclical nature of the seasons in this bustling metropolis.

Average Daylight Hours in Mexico City for May

The chart illustrates the variation in daylight duration in Mexico City throughout the year, with May 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.

May Winds in Mexico City

In May, Mexico City experiences a gentle breeze with an average wind speed of 2.0 m/s (4 mph), reflecting a slight dip from the spring's windier months of March and April. This trend highlights the city's transition as it moves towards the warmer summer months. The winds begin to ease further in the following months, with June recording an even lighter breeze at 1.8 m/s (4 mph). Overall, the month of May presents a comfortable atmosphere, making it an ideal time to enjoy outdoor activities amidst the pleasant, albeit calming, winds that grace the city. As temperature and humidity rise in the coming months, the declining wind speeds signal a temporary lull before the summer heat intensifies.

Average May Wind Speed in Mexico City

The chart displays monthly wind speed patterns in Mexico City, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.32.12.12.0 m/s1.81.61.71.51.81.81.7
Data source: Mexico City May wind data, generated using information from the Copernicus Climate Change Service.

How May 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 May'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 May, the weather begins to heat up, with temperatures ranging from a cool 7°C (45°F) at night to a warm max of 31°C (88°F) during the day, averaging 18°C (65°F). This month experiences more precipitation, with 54 mm (2.1 in) falling over approximately 11 days, resulting in a humidity level of 77%. In contrast, January is much colder, with minimum temperatures dipping to -2°C (28°F) and a milder maximum of 25°C (77°F), averaging 12°C (54°F). The month is relatively dry, with only 14 mm (0.6 in) of rain over just 2 days, but the humidity is slightly higher at 84%. For more detailed information, check out Mexico City weather in January.

Comparing the weather in May and February reveals notable differences in temperature and precipitation. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 18°C (65°F). This month also sees higher precipitation at 54 mm (2.1 in) over approximately 11 days, contributing to a warm and humid atmosphere with humidity levels around 77%.

In contrast, February experiences cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 28°C (82°F). The average temperature is milder at 14°C (58°F). February also has significantly less rainfall, totaling just 15 mm (0.6 in) over 4 days, while maintaining a slightly higher humidity at 78%. These differences highlight February as a cooler, drier month compared to the warmer, wetter conditions of May. For more detailed information, you can check Mexico City weather in February.

In comparing the weather of March and May, we notice that March tends to be cooler, with average temperatures reaching 16°C (61°F), while May enjoys warmer weather, boasting an average of 18°C (65°F). The maximum temperature in May can climb to 31°C (88°F), slightly higher than March's peak of 30°C (86°F). Additionally, May experiences more precipitation, with 54 mm (2.1 in) over 11 days compared to March's 26 mm (1.0 in) over just 6 days. Both months feature high humidity, with May at 77% and March at 75%. For detailed information on March weather, you can check Mexico City weather in March.

In comparing the weather of May and April, we see a slight increase in both temperature and humidity. May experiences a minimum temperature of 7°C (45°F), with an average high of 31°C (88°F), while April has a minimum of 5°C (41°F) and a maximum of 30°C (86°F). The average temperature in May is also slightly warmer at 18°C (65°F) compared to April's 17°C (63°F). In terms of precipitation, May receives 54 mm (2.1 in) over 11 days, which is higher than April's 39 mm (1.5 in) over 9 days. Additionally, May's humidity averages at 77%, surpassing April's 70%. For more detailed information on April's weather, please refer to Mexico City weather in April.

May and June in Mexico City exhibit some similarities in temperature but diverge significantly in terms of precipitation. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average temperature of 18°C (65°F) and relatively low precipitation levels at 54 mm (2.1 in) over 11 days. In contrast, June experiences a slightly lower average temperature of 17°C (64°F) but maintains the same maximum of 31°C (88°F). However, June is marked by a substantial increase in rainfall, totaling 160 mm (6.3 in) over 17 days, alongside a comparable humidity level of 76%. For more details, you can check out the Mexico City weather in June.

In May, the weather features a broader temperature range, with minimal temperatures dropping to 7°C (45°F) and maximums reaching up to 31°C (88°F), offering an average temperature of 18°C (65°F). The month experiences moderate precipitation, averaging 54 mm (2.1 inches) over approximately 11 days, with a higher humidity level at 77%.

In contrast, July sees milder maximum temperatures of 26°C (80°F) and an average temperature of 16°C (62°F), while the minimal temperature rises slightly to 8°C (48°F). However, July is significantly wetter, with total precipitation reaching 161 mm (6.3 inches) across about 24 days, accompanied by lower humidity at 68%. For more specific insights about the weather during July, you can check Mexico City weather in July.

In comparison to May, August experiences slightly cooler temperatures, with averages around 16°C (61°F) compared to May's average of 18°C (65°F). The minimum temperatures in August are also higher at 9°C (49°F) versus 7°C (45°F) in May. However, August is significantly wetter, with 186 mm (7.3 in) of precipitation spread over 26 days, compared to May's 54 mm (2.1 in) over just 11 days. Humidity levels in August are lower at 70%, while May has a higher humidity of 77%. For more specifics, you can check Mexico City weather in August.

In May, the weather is generally warmer with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), averaging 18°C (65°F). The month sees 54 mm (2.1 in) of precipitation over 11 days, accompanied by a humidity level of 77%. In contrast, September experiences cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 25°C (77°F), averaging 16°C (61°F). However, it is significantly wetter, recording 204 mm (8.0 in) of precipitation across 22 days and higher humidity at 82%. This shift in weather highlights the transition from the warmer, drier conditions of May to the cooler, more humid and rainy climate of September. For more details on September weather, you can check Mexico City weather in September.

May and October present quite distinct weather patterns. In May, temperatures range from a mild 7°C (45°F) at night to a warm 31°C (88°F) during the day, with an average of 18°C (65°F). The month experiences a total precipitation of 54 mm (2.1 in) over approximately 11 days, and the humidity sits at 77%. In contrast, October sees cooler temperatures, with a minimum of 3°C (37°F), an average of 15°C (59°F), and a maximum of 26°C (79°F). It also experiences higher precipitation at 103 mm (4.0 in) over about 15 days, coupled with increased humidity levels at 91%. For more detailed insights, you can visit Mexico City weather in October.

May and November exhibit distinct weather patterns, reflective of the transitions between spring and autumn. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 18°C (65°F), making it noticeably warmer. The month sees about 54 mm (2.1 in) of precipitation over 11 days and boasts a humidity level of 77%. In contrast, November brings cooler temperatures, with a minimum of 1°C (34°F) and an average of 13°C (56°F), peaking at 26°C (79°F). This month experiences less rainfall, at 31 mm (1.2 in) over just 5 days, and slightly higher humidity at 89%. For more detailed insights on November weather, you can refer to Mexico City weather in November.

May and December present contrasting weather profiles. In May, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average temperature of 18°C (65°F). The month is relatively humid at 77%, accompanied by 54 mm (2.1 in) of precipitation over about 11 days. In stark contrast, December features cooler temperatures, with a minimum of -1°C (30°F), an average of 12°C (55°F), and a maximum of 24°C (76°F). Despite the higher humidity level of 88%, December boasts significantly less precipitation at just 7 mm (0.3 in) over 1 day. 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 May Weather in Mexico City

As May unfolds in Mexico City, the weather transforms into a vibrant tapestry of warmth and humidity. With temperatures peaking at 31°C (88°F) during the day, the month stands out as a delightful precursor to summer, contrasting with the cooler, rain-heavy months that precede it. Though it tends to be more humid, with an average of 77%, residents and visitors alike can enjoy the pleasant nights that average around 18°C (65°F). While 54 mm of precipitation from about 11 rainy days might bring occasional showers, they often provide a refreshing break from the heat, making May a captivating time to experience the city's energy. For a deeper dive into how May fits into the broader climate patterns, explore Mexico City Climate.