May Weather in Chetumal, Mexico

Last updated: April 22, 2025

In Chetumal, Mexico, May brings a warm and humid climate, with maximum temperatures soaring up to 33°C (92°F) and an average of 28°C (83°F), while the nights cool down to a pleasant minimum of 22°C (71°F). This month experiences a significant amount of precipitation, totaling 83 mm (3.3 in), spread across 20 days, making it one of the wetter periods of the year. With humidity levels hovering around 63%, visitors can expect a tropical ambiance perfect for those who love lush landscapes and vibrant nature. Whether you're planning outdoor activities or simply soaking in the local culture, May in Chetumal offers a unique blend of warmth and refreshing showers.

May Temperature in Chetumal

In Chetumal, Mexico, the temperatures in May usher in warmth, with a comfortable range reflecting the transition towards summer. The minimum temperature climbs to 22°C (71°F), signaling the end of the cooler months, while the average hovers at a pleasant 28°C (83°F). Max temperatures remain steady at a balmy 33°C (92°F), aligning with the patterns observed in the preceding months. Compared to earlier spring, May exhibits a slight increase in warmth, particularly in nighttime lows, hinting at the approach of the hotter summer season. This month offers a delightful blend of warmth and comfort, perfect for outdoor adventures under the sun.

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

The chart illustrates May temperature patterns in Chetumal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec767879828383838483817877
Data source: Temperature data for Chetumal generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Chetumal

In May, Chetumal experiences a notable increase in precipitation, with a total of 83 mm (3.3 in) recorded across 20 rainy days. This marks a significant jump from the preceding months, particularly compared to the much drier January through April, where rainfall ranged between 28 mm (1.1 in) and 57 mm (2.2 in). As the rainy season approaches, May serves as a transition, foreshadowing the intense downpours of June, which averages a staggering 249 mm (9.8 in). The uptick in both the amount of rain and the number of precipitation days illustrates the region's shift toward its wetter climate, inviting lush landscapes while preparing locals for the tropical storms that often follow.

May Precipitation Trends in Chetumal

The chart displays monthly precipitation patterns in Chetumal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec572928358325010514316821310851
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Chetumal

In Chetumal, Mexico, May ushers in a slight dip in humidity, averaging around 63%, making it one of the more comfortable months of the year. This follows the trend of gradually decreasing humidity from the highs of January and February, which hover above 80%, to the more moderate levels seen in April and May. As the region transitions into the summer months, humidity begins to stabilize, with June and July showing only slight increases, while August sees a notable rise back to 78%. Overall, May represents a sweet spot in the year where visitors can enjoy warmer temperatures without being overwhelmed by humidity, setting the stage for the humid summer months ahead.

May Average Humidity in Chetumal

This chart illustrates the average monthly humidity levels in Chetumal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%80%69%64%63%62%65%78%86%87%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Chetumal

In May, Chetumal, Mexico, experiences a notably high UV Index of 13, categorizing it as extreme with a burn time of just 10 minutes. This trend of high UV levels continues from April and is consistent with what residents and visitors can expect throughout the summer months, where the UV Index remains at 13 until September. Notably, the risk of skin damage increases significantly during this period, emphasizing the importance of sun protection. As temperatures rise and days get longer, awareness of UV intensity is crucial for enjoying the beautiful outdoor environment safely. For more detailed information about Chetumal's UV levels throughout the year, visit Chetumal UV Index.

Maximum UV Index Levels in Chetumal for May

The chart shows the monthly maximum UV Index (UVI) for Chetumal 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.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313131298
Data source: Chetumal 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 Chetumal

In Chetumal, Mexico, May shines brightly with an impressive 332 hours of sunshine, marking the peak of the sunniest stretch of the year. This month is a delightful transition from the earlier spring months, where sunny days steadily increase, evidenced by January's 230 hours gradually blossoming into the vibrancy of May. Following this peak, sunshine hours dip slightly in June but maintain a warm ambiance that characterizes the region. Throughout the year, Chetumal enjoys a healthy balance of sunlight, with each month offering a delightful array of sun-kissed days, perfect for outdoor adventures and soaking in the tropical beauty. 🌞

Monthly Sunshine Duration in Chetumal: May Highlighted

The May sunshine duration represents the total number of hours Chetumal 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.
JanFebMarAprMayJunJulAugSepOctNovDec230h279h317h319h332h275h319h323h297h283h279h295h
Data source: Chetumal May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chetumal During May

In Chetumal, Mexico, the likelihood of sunny weather in May stands at 46%, reflecting a moderate chance of sunshine as spring transitions into summer. This percentage notably drops from the higher levels seen in March (69%) and April (56%), indicating a shift toward cloudier conditions. Following May, the sunny days further decrease through June (33%) and July (37%), suggesting that the peak of summer may bring more precipitation and overcast skies. These trends emphasize that while May still offers a fair possibility of enjoying bright days, it is prudent to prepare for a mix of sunshine and clouds as summer approaches.

Percentage of Sunny Days in May in Chetumal

The chart illustrates the percentage of sunny days in Chetumal 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 Chetumal experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%64%69%56%46%33%37%49%34%45%49%61%
Data source: Chetumal May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chetumal in May

In Chetumal, Mexico, the daylight duration exhibits a delightful trend as the year progresses. Beginning with a consistent 11 hours of daylight in both January and February, the days gradually lengthen into spring. As March arrives, the daylight extends to 12 hours, persisting through April. May marks a significant transition, with daylight peaking at 13 hours and maintaining this vibrant length through June and July. In August, the daylight dips slightly back to 12 hours, followed by another decrease to 11 hours from October to December, ushering in the cozy comfort of shorter days. This rhythmic variation not only enhances the seasonal charm of Chetumal but also invites residents and visitors alike to embrace the sun-soaked opportunities throughout the months.

Average Daylight Hours in Chetumal for May

The chart illustrates the variation in daylight duration in Chetumal throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 8m11h 32m12h 2m12h 33m13h13h 12m13h 5m12h 42m12h 12m11h 41m11h 14m11h 1m
Data source: Chetumal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Chetumal

In Chetumal, Mexico, May marks a peak in wind activity as the average wind speed reaches 4.7 m/s (11 mph), making it one of the breeziest months of the year. This gentle but invigorating wind sets a lively tone as residents and visitors embrace the warmth of spring. The trend shows a gradual increase from the calmer breezes of winter, which hover around 3.6 m/s (8 mph) in January, climbing steadily through the spring months. Following May, the wind does slightly decrease in June but remains pleasantly moderate, suggesting this coastal city remains vibrant as summer approaches. The encouraging uptick in winds during May heralds a time of energy and activity, perfect for outdoor adventures and waterfront enjoyment.

Average May Wind Speed in Chetumal

The chart displays monthly wind speed patterns in Chetumal, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.64.04.54.64.7 m/s4.53.93.73.72.72.83.4
Data source: Chetumal May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Chetumal Compares to Other Months

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

May and January present distinct weather characteristics. In May, temperatures range from a minimum of 22°C (71°F) to a maximum of 33°C (92°F), with an average of 28°C (83°F). This month experiences around 83 mm (3.3 in) of precipitation over 20 days, resulting in a humidity level of 63%. In contrast, January is cooler, with temperatures fluctuating between a minimum of 16°C (61°F) and a maximum of 32°C (89°F), averaging 24°C (76°F). It sees less rainfall, totaling 57 mm (2.2 in) over just 11 days, but has a higher humidity percentage at 85%. For more detailed information, you can visit Chetumal weather in January.

May and February exhibit distinct weather patterns. In May, temperatures range from a minimum of 22°C (71°F) to a maximum of 33°C (92°F), with an average of 28°C (83°F). This month experiences increased rainfall, totaling 83 mm (3.3 in) over 20 days, along with a humidity level of 63%. In contrast, February features milder conditions, with temperatures from a low of 14°C (57°F) to the same peak of 33°C (91°F) and an average of 26°C (78°F). Precipitation in February is significantly lower at 29 mm (1.2 in) over 12 days, but higher humidity at 80%. For a detailed overview of February weather, you can visit Chetumal weather in February.

In comparing the weather between May and March, May exhibits warmer temperatures, with an average of 28°C (83°F) and a maximum of 33°C (92°F), compared to March's average of 26°C (80°F) and maximum of 32°C (89°F). Moreover, May tends to be wetter, receiving 83 mm (3.3 in) of precipitation over 20 days, whereas March experiences much lighter rainfall of only 28 mm (1.1 in) across 9 days. Although March has slightly higher humidity at 69% compared to May's 63%, both months provide a warm climate characteristic of the region. For more details on March weather specifically, you can visit Chetumal weather in March.

When comparing the weather in May and April, we see some notable differences. Both months have similar average temperatures, with May averaging 28°C (83°F) and April also at 28°C (82°F), but May experiences slightly higher minimum temperatures, starting at 22°C (71°F) compared to April's 20°C (67°F). May also sees significantly more rainfall, with 83 mm (3.3 in) of precipitation over 20 days, compared to April’s 35 mm (1.4 in) over just 8 days. Humidity levels remain fairly consistent, with April at 64% and May at 63%. For more insights on April's weather, you can check Chetumal weather in April.

In comparing the weather of May and June, we see some notable differences. May experiences a minimum temperature of 22°C (71°F), while June is slightly warmer with a minimum of 24°C (75°F). Both months have the same average temperature of 28°C (83°F), but June can reach higher maximum temperatures, peaking at 35°C (95°F) compared to May’s 33°C (92°F). Additionally, June is significantly wetter, with a precipitation total of 249 mm (9.8 in) over 23 days compared to May's 83 mm (3.3 in) across 20 days. Humidity levels remain relatively stable, with May at 63% and June at 62%. For more detailed information, check out Chetumal weather in June.

In May, temperatures range from a mild 22°C (71°F) to a warm average of 28°C (83°F), peaking at 33°C (92°F). The month experiences a total of 83 mm (3.3 in) of precipitation over approximately 20 days, with humidity levels around 63%. In contrast, July sees slightly warmer temperatures, with minimums at 24°C (76°F) and an average of 29°C (84°F), while still reaching a high of 33°C (92°F). July also experiences a bit more rainfall, totaling 105 mm (4.1 in) over 21 days, and a marginally higher humidity of 65%. For a detailed overview, you can check Chetumal weather in July.

In May, the weather features a warmer average temperature of 28°C (83°F), with highs reaching up to 33°C (92°F) and lows around 22°C (71°F). The month experiences 83 mm (3.3 in) of precipitation over approximately 20 days, accompanied by a humidity level of 63%. In contrast, August sees slightly higher temperatures, with an average of 29°C (84°F), maximum temperatures of 34°C (94°F), and minimum temperatures of 24°C (75°F). This month is also rainier, with 143 mm (5.6 in) of rainfall over 22 days and increased humidity at 78%. For more detailed information, you can visit Chetumal weather in August.

When comparing the weather in May and September, both months exhibit warm average temperatures around 28°C (83°F), but September typically sees slightly higher minimum and maximum temperatures, with values of 24°C (75°F) and 34°C (93°F) respectively. However, September is notably wetter, with an average precipitation of 168 mm (6.6 in) over 25 days, compared to May's 83 mm (3.3 in) over 20 days. Additionally, the humidity increases in September, reaching 85%, making it feel more humid than May's 63%. For more details, check out Chetumal weather in September.

Comparing the weather in May and October reveals some notable differences. May typically enjoys warmer temperatures with average highs around 33°C (92°F) and a lower humidity of 63%. However, it also experiences significant rainfall, with precipitation occurring on about 20 days and totaling 83 mm (3.3 in). In contrast, October presents slightly cooler temperatures, with average highs remaining at 33°C (92°F) but a drop in average temperatures to 27°C (81°F). The month is characterized by higher humidity levels at 87% and increased rainfall, totaling 213 mm (8.4 in) spread over approximately 26 days. For a more detailed insight into October weather, you can check Chetumal weather in October.

In comparing the weather between May and November, we notice several differences. May typically boasts warmer temperatures, with minimums around 22°C (71°F) and maximums reaching 33°C (92°F), while November offers slightly cooler conditions, with a minimum of 18°C (64°F) and a maximum of 32°C (89°F). Both months experience significant precipitation, but November receives more rain at 108 mm (4.3 in), compared to May's 83 mm (3.3 in), although May has a greater number of rainy days (20) compared to November's 17. Additionally, humidity levels are noticeably higher in November at 88%, compared to 63% in May. For more details, you can visit Chetumal weather in November.

May and December showcase quite different weather patterns. In May, temperatures are generally warmer, with a minimum of 22°C (71°F) and an average high reaching 33°C (92°F). This month also experiences more rainfall, accumulating 83 mm (3.3 in) over approximately 20 days and a humidity level of 63%. In contrast, December offers cooler temperatures, with a minimum of 16°C (60°F) and an average maximum of 31°C (88°F). Precipitation in December is less, totaling 51 mm (2.0 in) over about 16 days, and the humidity is notably higher at 88%. For a more detailed look at December's conditions, you can check out Chetumal weather in December.

Compare Chetumal's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Chetumal

As May arrives in Chetumal, the weather begins to shift, offering a blend of warmth and humidity that sets it apart from the cooler months earlier in the year. With average temperatures climbing to a delightful 28°C, it’s a perfect time for outdoor enthusiasts to explore the region, albeit with the increased chance of rainfall on nearly two-thirds of the month’s days. This transitional period between dry and wet seasons brings a unique vibrancy to the atmosphere, making it an ideal time for visitors to experience the lush surroundings. For those seeking more detailed insights, be sure to check out Chetumal Climate to better prepare for your visit!