May Weather in Merida, Mexico

Last updated: April 22, 2025

May in Mérida, Mexico offers a warm blend of tropical charm and vibrant culture. As temperatures soar to a maximum of 34°C (94°F) and settle into a comfortable average of 25°C (78°F), this month showcases the sunny allure of the Yucatán Peninsula. Visitors should prepare for occasional rain, as 79 mm (3.1 in) of precipitation can be expected over 17 days, contributing to the region’s lush landscapes. With humidity levels around 64%, the atmosphere is undeniably tropical, making it essential to stay hydrated and embrace the lively spirit of this enchanting city.

May Temperature in Merida

In May, Merida, Mexico, welcomes warm temperatures that mark the transition into summer. The month starts with a minimum temperature of 16°C (61°F), rising to an average of 25°C (78°F), and peaking at a comfortable 34°C (94°F). As the region shifts from the pleasant spring months of April, where temperatures ranged from a minimum of 15°C (59°F) to a maximum of 35°C (96°F), a clear trend emerges: May strikes a balance, offering warmth without the oppressive heat of the peak summer months ahead. This blend of warmth and low humidity makes May an ideal time for visitors to explore the vibrant culture and stunning architecture of Merida.

May Weather in Merida: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Merida, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec697173767775777675747170
Data source: Temperature data for Merida 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 Merida

In May, Merida, Mexico, experiences a significant surge in precipitation, receiving 79 mm (3.1 in) across 17 days, marking a stark contrast to the drier months preceding it. This increase sets the stage for the intensifying rainy season, as May's rainfall accounts for over three times that of April's 21 mm (0.8 in). As temperatures begin to rise, the frequent showers not only contribute to the lush landscape but also indicate the approach of June, traditionally the wettest month, where rainfall escalates dramatically to 208 mm (8.2 in). Thus, May serves as a pivotal transition point, where sporadic drizzles evolve into more persistent downpours, reshaping the region's ambiance and preparing Merida for its vibrant, rain-soaked summer.

May Precipitation Trends in Merida

The chart displays monthly precipitation patterns in Merida, 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.
JanFebMarAprMayJunJulAugSepOctNovDec96822792081091781831491710
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Merida

In May, Merida experiences a noticeable shift in humidity levels, with the figure settling at 64%. This marks a slight increase from the preceding months, where April recorded 59% humidity. As the city transitions into the warmer months, humidity begins to rise again, setting the stage for the sultry summer ahead. Following May, there's a more pronounced increase, peaking in the heart of summer with July reaching 82% and August hitting an uncomfortable 87%. As humidity remains high throughout the latter half of the year, the pattern suggests that while May offers a brief reprieve, the tropical climate quickly returns to its humid embrace.

May Average Humidity in Merida

This chart illustrates the average monthly humidity levels in Merida, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%66%59%64%69%82%87%87%88%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Merida

In May, Merida, Mexico, experiences an extreme UV Index of 14, with a rapid burn time of just 10 minutes. This level mirrors the trend seen in the preceding months, as both April and March also reported a UV Index of 14. As the region approaches the peak of its sunny season, the consistently high UV readings signal the importance of sun safety practices. With summer right around the corner, residents and visitors alike should remain vigilant and protect their skin from harmful rays. For more detailed information on UV patterns, check Merida UV Index.

Maximum UV Index Levels in Merida for May

The chart shows the monthly maximum UV Index (UVI) for Merida 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131413109
Data source: Merida 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 Merida

As May unfolds in Mérida, Mexico, the city basks in a splendid 312 hours of sunshine, marking it as one of the sunniest months of the year. This vibrant season seamlessly follows the sunlit warmth of April, which enjoyed 310 hours, and sits just a shade below the peak brightness of March at 315 hours. The trend is clear: as the year progresses from January's 238 hours to May's glorious shine, the days grow longer and brighter, inviting residents and visitors alike to revel in the full bloom of spring. With sunny days ahead, May serves as a perfect gateway into the summer months, where sunlight remains plentiful, but the intensity shifts, as seen in June with 260 hours. The delightful embrace of May sunshine not only enhances the beauty of Mérida but also invigorates its lively atmosphere, making it an ideal time to explore all that this captivating city has to offer.

Monthly Sunshine Duration in Merida: May Highlighted

The May sunshine duration represents the total number of hours Merida 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.
JanFebMarAprMayJunJulAugSepOctNovDec238h274h315h310h312h260h305h289h275h280h287h296h
Data source: Merida May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Merida During May

In Merida, Mexico, May brings a notable dip in sunny weather, with only a 24% chance of sunshine, marking it as one of the cloudier months. This is a significant decline from preceding months like February and March, which enjoy higher probabilities of clear skies at 61% and 58%, respectively. The trend continues into the summer months, with June and July showing a marked decrease in sunshine, plummeting to 11% and 17%. This seasonal shift indicates that while April may still offer some sun, May tends to veer towards a more overcast atmosphere, setting the stage for the rainy season that follows.

Percentage of Sunny Days in May in Merida

The chart illustrates the percentage of sunny days in Merida 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 Merida experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%61%58%46%24%11%17%14%12%29%38%52%
Data source: Merida May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Merida in May

In Merida, Mexico, the daylight duration begins a gradual increase in March, transitioning from a consistent 11 hours in January and February to 12 hours in April and May, creating a perfect backdrop for outdoor exploration. As summer approaches, daylight reaches its peak in June at a generous 13 hours, offering ample time for sun-soaked adventures. Following this pinnacle, daylight duration settles back to 12 hours from July through September, ensuring plenty of time to enjoy the city's vibrant culture and natural beauty. As the year winds down, daylight gently recedes, returning to 11 hours in October, November, and December, marking a subtle shift into the cooler months. This rhythmic pattern not only defines Merida's seasonal charm but also inspires locals and visitors alike to embrace the stunning daylight throughout the year.

Average Daylight Hours in Merida for May

The chart illustrates the variation in daylight duration in Merida throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 15m11h 35m12h 2m12h 30m12h 53m13h 4m12h 58m12h 38m12h 11m11h 44m11h 20m11h 9m
Data source: Merida daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Merida

In May, Merida experiences a noticeable drop in wind speed, averaging just 2.5 m/s (6 mph), making it one of the calmest months of the year. This decrease follows a trend of slightly variable winds in the months prior, with April recording 3.3 m/s and even March experiencing a more brisk 3.7 m/s. As the city transitions into June, the winds become even gentler, plummeting to just 1.5 m/s (3 mph). This pattern indicates a shift into the calmer summer months, contrasting sharply with the more breezy conditions seen later in the year, such as November's spike to 4.4 m/s (10 mph). Overall, May stands out as a time of serenity, where the gentle breezes complement the warm, welcoming atmosphere of Merida.

Average May Wind Speed in Merida

The chart displays monthly wind speed patterns in Merida, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.43.73.32.5 m/s1.52.31.71.92.44.43.0
Data source: Merida May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Merida Compares to Other Months

The weather in Merida 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 Merida and find detailed weather information for every month.

When comparing the weather in May and January, several notable differences emerge. May typically boasts warmer temperatures, with an average of 25°C (78°F) and maximums reaching up to 34°C (94°F), while January's average is cooler at 20°C (69°F) and peaks at 32°C (91°F). Additionally, May experiences significantly higher precipitation, with about 79 mm (3.1 in) spread over 17 days, contrasting sharply with January's mere 9 mm (0.3 in) over just 2 days. Humidity levels are also higher in January at 83%, compared to May’s 64%. For more detailed insights on January weather, visit Merida weather in January.

In comparing the weather of May and February, it is evident that May is significantly warmer, boasting average temperatures of 25°C (78°F) with highs reaching up to 34°C (94°F), while February's average is cooler at 22°C (72°F) and maxing out at 33°C (92°F). Additionally, May experiences more precipitation, with 79 mm (3.1 in) of rain over 17 days, in contrast to February, which records a mere 6 mm (0.2 in) with no rainy days at all. Humidity levels also differ, with May at 64%, while February has a higher humidity rate of 76%. For a more detailed look at February's weather, visit Merida weather in February.

May and March exhibit some notable differences in weather patterns. In May, temperatures range from a minimum of 16°C (61°F) to a maximum of 34°C (94°F), with an average of 25°C (78°F). This month also sees considerable rainfall, with about 79 mm (3.1 in) of precipitation spread over 17 days, contributing to a humidity level of 64%. In contrast, March experiences slightly cooler temperatures, with a minimum of 13°C (56°F) and an average of 23°C (74°F), peaking at the same maximum of 34°C (93°F) as May. However, March enjoys much drier conditions, receiving only 8 mm (0.3 in) of rain over 0 days, leading to a slightly higher humidity level of 66%. For more information on March weather specifics, check out Merida weather in March.

In comparing the weather of May to April, we observe that both months have similar average temperatures, with May averaging 25°C (78°F) and April also at 25°C (76°F). However, May experiences slightly higher minimum and maximum temperatures, ranging from 16°C (61°F) to 34°C (94°F), compared to April's range of 15°C (59°F) to 35°C (96°F). Precipitation differs significantly, with May receiving 79 mm (3.1 in) over 17 days, whereas April has a much drier month with only 21 mm (0.8 in) across 6 days. Additionally, May’s humidity is higher at 64%, compared to April's 59%. For more insights into April's weather, you can check this link: Merida weather in April.

May and June present distinct weather patterns as the transition into summer becomes evident. In May, temperatures range from a minimum of 16°C (61°F) to a maximum of 34°C (94°F), with an average of 25°C (78°F) and relatively moderate precipitation of 79 mm (3.1 in) occurring over 17 days. The humidity sits at 64%, creating a warm but comfortable atmosphere.

In contrast, June sees a slight increase in minimum temperatures, starting at 19°C (66°F), while the average drops slightly to 24°C (76°F) and the maximum remains similar at 33°C (91°F). However, June is significantly wetter, with precipitation rising to 208 mm (8.2 in) over 25 days and humidity increasing to 69%. This shift leads to more frequent rain showers, making June a more humid and saturated month. To explore more about the climatic conditions during this month, you can visit Merida weather in June.

In May, the weather features a minimum temperature of 16°C (61°F) and an average temperature of 25°C (78°F), with a maximum reaching up to 34°C (94°F). This month experiences lower precipitation at 79 mm (3.1 in) over 17 days, along with a humidity level of 64%. In contrast, July sees a slight increase in minimum temperatures at 19°C (67°F), while the average remains consistent at 25°C (77°F) and the maximum drops slightly to 34°C (93°F). However, July is wetter, with precipitation measuring 109 mm (4.3 in) across 21 days, resulting in higher humidity at 82%. For more details, check out Merida weather in July.

May typically experiences warmer temperatures with a minimum of 16°C (61°F) and an average of 25°C (78°F), peaking at 34°C (94°F). In contrast, August sees a slightly higher minimum temperature of 19°C (66°F) and an overall cooler average of 24°C (76°F), with a maximum of 33°C (91°F). While May receives 79 mm (3.1 in) of precipitation over 17 days, August is significantly wetter, with 178 mm (7.0 in) spread across 22 days. Furthermore, the humidity levels rise in August to 87%, compared to May’s 64%, making the latter part of summer feel much more muggy. For more detailed information, check out Merida weather in August.

May and September showcase distinct weather patterns that reflect the transition from spring to the onset of autumn. In May, temperatures range from a minimum of 16°C (61°F) to a comfortable average of 25°C (78°F), peaking at 34°C (94°F). The month experiences moderate rainfall, with about 79 mm (3.1 in) of precipitation over 17 days and a humidity level of 64%. In contrast, September brings slightly warmer minimum temperatures at 19°C (66°F) and a slightly lower average of 24°C (76°F). However, it sees increased precipitation totaling 183 mm (7.2 in) over 25 days, accompanied by higher humidity at 87%. To learn more about the specifics of September weather, you can refer to Merida weather in September.

In comparing the weather of May and October, we observe notable differences in temperature and precipitation patterns. May typically boasts warmer temperatures, with averages around 25°C (78°F) and highs reaching up to 34°C (94°F), while October's averages dip slightly to 23°C (74°F) and a max of 32°C (89°F). However, October tends to be wetter, receiving about 149 mm (5.9 in) of rainfall over 20 days, compared to May's 79 mm (3.1 in) across 17 days. Additionally, October's humidity is higher at 88%, compared to May's 64%, making the latter month feel more comfortable overall. For those interested in the specific climate conditions of October in Merida, more detailed information can be found here: Merida weather in October.

May and November exhibit distinct weather characteristics. May typically boasts warmer temperatures, with a minimum of 16°C (61°F) and an average high of 34°C (94°F), while November sees cooler temperatures, dropping to a minimum of 12°C (55°F) and averaging a maximum of 32°C (91°F). Additionally, May experiences more rainfall, averaging 79 mm (3.1 in) over 17 days, compared to November's significantly lighter precipitation of 17 mm (0.7 in) over just 4 days. However, November has higher humidity levels at 88%, as opposed to May's more moderate 64%. For a closer look at weather details in November, visit Merida weather in November.

In May, the weather tends to be hotter and more humid, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 34°C (94°F) and an average of 25°C (78°F). This month also sees significant rainfall, with precipitation amounting to 79 mm (3.1 in) over about 17 days. In contrast, December offers milder temperatures, ranging from a minimum of 11°C (52°F) to a maximum of 31°C (89°F), with an average of 21°C (70°F). Precipitation is minimal in December, totaling just 10 mm (0.4 in) over the course of only one day, and humidity levels are relatively high at 88%. For a detailed look at weather specifics, you can check out Merida weather in December.

Compare Merida's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Merida

As May approaches in Merida, expect a vibrant transition in weather, characterized by warmer temperatures and a noticeable uptick in humidity. While the average temperature begins to edge toward the balmy highs of summer, the significant precipitation during this month signals the onset of the rainy season, leading to an increase in rainy days. With humidity hovering around 64%, the air can feel quite sticky, setting it apart from the drier months that precede it. For those curious about the broader climate trends, delve deeper into the year's patterns with our detailed guide at Merida Climate.