Last updated: April 22, 2025
Experience the vibrant May weather in San Blas, Mexico, where temperatures soar with a maximum of 40°C (105°F), inviting sun-seekers to enjoy the warmth. The average temperature hovers at a pleasant 26°C (80°F), providing an ideal backdrop for outdoor adventures. With a minimum of 13°C (55°F) at night, evenings offer a cozy retreat. Remarkably, the month boasts zero precipitation with an impressive humidity level of 59%, making it perfect for beach activities and exploration. Discover the beauty of San Blas under the sun's radiant glow!
As May unfolds in San Blas, Mexico, temperatures begin to rise, showcasing a delightful transition into the warm season. With minimums around 13°C (55°F) and soaring highs reaching 40°C (105°F), the month boasts an inviting average of 26°C (80°F). This trend marks a significant jump from the cooler spring months, setting the stage for the summer heat that follows in June. As the days grow longer and hotter, May feels vibrant and alive, encouraging both locals and visitors to embrace the outdoors and enjoy the abundant sunshine before the peak of summer arrives.
In San Blas, Mexico, the month of May stands out as particularly dry, with both precipitation amount and number of rainy days recorded at 0 mm and 0 days, respectively. Following April's dry spell, this trend of limited rainfall continues, creating a sharp contrast to the impending rainy season that typically begins in June. As the year progresses, humidity and precipitation levels soar, peaking in the summer months, particularly in July and August when rain transforms the landscape, replenishing the region after a prolonged dry spell. This pattern underscores the seasonal variability of San Blas’ climate, providing an essential glimpse into the transition from dry to wet seasons that defines the region's weather dynamics.
As May arrives in San Blas, Mexico, humidity begins to stabilize after a gradual decline from the high levels seen earlier in the year. With an average of 59%, May marks a slight increase from April’s 58%, suggesting a gentle transition into the warmer, more humid months ahead. This moderate humidity level is relatively comfortable compared to the escalating figures that follow, reaching a peak of 78% by August. Interestingly, the trend shows a clear dip from January to April, before the humidity begins to rise again in the summer months. Overall, May serves as a pleasant prelude to the more humid summer season, offering visitors a comfortable climate to explore the beauty of San Blas.
As we step into May, San Blas, Mexico, experiences its peak ultraviolet (UV) exposure, with the UV Index soaring to 12—classified as extreme. This level of intensity, consistent with what is observed in April, means that sun protection is crucial, as unprotected skin can burn within just 10 minutes. Following the patterns established in previous months, both March and April showcased similarly high UV levels, signaling a trend of increasing solar intensity leading into the summer. Travelers and locals alike should remain vigilant and ready to shield themselves from the sun, especially as June and July maintain the same extreme conditions. For a deeper look at the UV Index trends throughout the year, visit San Blas UV Index.
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As spring transitions into summer, May shines bright in San Blas, Mexico, boasting an impressive 362 hours of sunshine—the highest of the year. This notable increase follows a pattern of escalating daylight from January's 220 hours to April's 323 hours, culminating in May's radiant peak. After May, hours of sunshine gradually decline, with June still offering a robust 349 hours, but the trend is clear: the warm embrace of sunshine in San Blas is a lovely precursor to the vibrant summer months ahead. This rich tapestry of light not only enhances the beauty of this coastal paradise but also sets the stage for outdoor adventures and memorable experiences throughout the sunny days of late spring.
In May, San Blas, Mexico, basks in a remarkable 79% chance of sunny weather, making it one of the brightest months of the year. This positive trend in sunshine is a delightful contrast to the cooler months at the beginning of the year, where January's 68% gradually dips to February's 58%. As spring unfolds, the likelihood of sunny days steadily improves; March sees 63% and April holds strong at 65%. While the summer months of June and July show a decline to 63% and 44% respectively, May stands out as a peak period of warmth and brightness, inviting visitors to enjoy the stunning coastal scenery and vibrant local culture. Thus, for those seeking sun-soaked adventures, May in San Blas promises an ideal escape before the summer clouds begin to gather.
In San Blas, Mexico, the transition into May brings an inviting increase in daylight duration, expanding to a delightful 13 hours per day. Following a gradual rise from 10 hours in January, daylight steadily lengthens, reaching a peak in the summer months of June and July before beginning its subtle decline. April sees a consistent 12 hours, paving the way for May's vibrant sunlit days. As the year progresses, daylight lingers longer during the warmer months, creating the perfect backdrop for outdoor adventures and embracing the beauty of this coastal paradise. As summer fades into fall, daylight diminishes to 12 hours in August and slowly recedes to 10 hours by December, marking the rhythmic dance between light and dark in this enchanting locale.
In May, San Blas, Mexico experiences delightful breezes, with an average wind speed of 2.2 m/s (around 5 mph), maintaining a comforting consistency seen in the previous months. This moderate wind pattern sets the stage for pleasant outdoor activities, making it a perfect time for beachgoers and water sports enthusiasts alike. As the season transitions into June, a slight increase to 2.4 m/s is noticeable, hinting at the upcoming summer months. Interestingly, earlier in the year, January through April exhibited similar gentle wind speeds, reinforcing May's status as a prime time for enjoying the coastal charm of San Blas before the winds begin to calm in the deep summer heat. The gradual fluctuations in wind speed throughout the year offer a unique rhythm to this coastal paradise.
The weather in San Blas 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 San Blas and find detailed weather information for every month.
May and January exhibit strikingly different weather patterns. May boasts much warmer temperatures, with a minimum of 13°C (55°F), an average of 26°C (80°F), and a maximum of 40°C (105°F). In contrast, January experiences cooler conditions, starting with a minimum of 3°C (38°F), an average of 18°C (65°F), and a maximum of 35°C (95°F). Additionally, January sees a slight amount of precipitation at 10 mm (0.4 in) over just one day, whereas May remains completely dry with no recorded precipitation. The humidity in January is also higher at 70%, compared to May's 59%. For more details about January weather in San Blas, check out San Blas weather in January.
In comparing the weather of May and February, a notable contrast emerges. May boasts significantly higher temperatures, with a minimum of 13°C (55°F) and an average of 26°C (80°F), reaching a sizzling maximum of 40°C (105°F), while February’s temperatures range from a cooler minimum of 4°C (39°F) to an average of 19°C (66°F) and a maximum of 34°C (94°F). Additionally, May is characterized by its dry conditions, receiving no precipitation over the month, whereas February experiences some rainfall, accumulating 17 mm (0.7 in) over two days. Humidity also plays a role, with February being slightly more humid at 67%, compared to May’s 59%. For a detailed look at February's weather, you can view San Blas weather in February.
In comparing the weather between May and March, it's clear that May boasts significantly warmer temperatures, with a minimum of 13°C (55°F) and a blistering maximum reaching up to 40°C (105°F). In contrast, March is much cooler, starting at a minimum of 5°C (42°F) and peaking at 36°C (98°F). Additionally, while May remains dry with no recorded precipitation, March experiences a slight amount of rain at 5 mm over just one day. Humidity levels are fairly similar, with May at 59% and March slightly higher at 62%. For more detailed insights into the weather during March, you can visit San Blas weather in March.
In comparing the weather of May and April, May tends to be warmer overall, with average temperatures reaching 26°C (80°F) as opposed to April's average of 24°C (75°F). While both months enjoy dry conditions with no recorded precipitation, May can see maximum temperatures soaring up to 40°C (105°F), compared to April's peak of 38°C (100°F). Interestingly, humidity levels are quite similar, with May at 59% and April slightly lower at 58%. For those interested in exploring specific details about April’s climate, check out San Blas weather in April.
In May, the weather is typically warm, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 40°C (105°F) and an average of 26°C (80°F). This month is characterized by low humidity at 59% and no recorded precipitation, making it a dry period. In contrast, June sees a slight increase in temperatures, with minimums of 17°C (64°F), averages of 30°C (86°F), and maximums reaching up to 42°C (107°F). Additionally, June experiences a bit more humidity at 64% and a small amount of rainfall, totaling 19 mm (0.7 in) over just one day. For more detailed information on June weather in the region, you can visit San Blas weather in June.
May offers a warm climate with average temperatures around 26°C (80°F) and peaks reaching as high as 40°C (105°F), while enjoying dry conditions with no recorded precipitation. In contrast, July experiences a significant increase in both humidity and rainfall, with average temperatures of 31°C (87°F) and a notable 90 mm (3.6 in) of precipitation spread across 13 days. The humidity in July also rises to 74%, making the air feel much heavier compared to the more comfortable May conditions. For a detailed overview of what to expect during July, you can check out San Blas weather in July.
In comparing the weather of May and August, we see notable differences in temperature and precipitation patterns. May enjoys a wider range of temperatures, with a minimum of 13°C (55°F) and a maximum soaring to 40°C (105°F), but it remains completely dry with no recorded precipitation. In contrast, August is significantly warmer overall, featuring higher minimum and average temperatures, peaking at 42°C (107°F). However, it brings considerable rainfall, with 133 mm (5.2 in) of precipitation over 15 days, contributing to increased humidity levels of 78%. This shift from the dry heat of May to the humid, rainy conditions of August makes for a marked change in the climate. For a detailed overview, you can check San Blas weather in August.
May and September present contrasting weather patterns. In May, temperatures range from a minimum of 13°C (55°F) to an average high of 40°C (105°F), with zero precipitation and relatively low humidity at 59%. This month is characterized by dry and warm conditions, making it ideal for outdoor activities. In contrast, September experiences milder temperatures, with a minimum of 20°C (69°F) and an average of 29°C (84°F), but it sees significant rainfall, totaling 112 mm (4.4 in) over 15 days, along with higher humidity at 78%. For more details on September weather, check out San Blas weather in September.
In May, the weather is characterized by warm temperatures that range from a minimum of 13°C (55°F) to a high of 40°C (105°F), with an average of 26°C (80°F) and no recorded precipitation. The humidity stands at a comfortable 59%, making it a pleasant month overall. In contrast, October experiences slightly cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 42°C (107°F), averaging 28°C (83°F). However, October also brings increased humidity at 75% and some precipitation, totaling 19 mm (0.7 in) over three days. For more details on October's climate, check out San Blas weather in October.
In comparing May and November weather, May is typically warmer with average temperatures around 26°C (80°F), peaking at a high of 40°C (105°F), while November sees cooler averages of 24°C (75°F) with a maximum of 39°C (103°F). Humidity levels are lower in May at 59%, making it feel drier, whereas November experiences higher humidity at 74%. Additionally, May boasts a dry spell with no recorded precipitation, contrasting with November, which receives around 30 mm (1.2 in) of rain over two days. For more detailed insights on November weather, you can visit San Blas weather in November.
May and December present contrasting weather patterns. In May, temperatures typically range from a minimum of 13°C (55°F) to a scorching maximum of 40°C (105°F), with an average temperature of 26°C (80°F). This month enjoys a dry climate, featuring no recorded precipitation and moderate humidity at 59%. In contrast, December offers cooler temperatures, with a minimum of 4°C (40°F), an average of 19°C (67°F), and a maximum of 34°C (94°F). While still relatively warm, December experiences some precipitation, averaging 11 mm (0.4 in) over just one day, along with a higher humidity level of 72%. For more information, check out San Blas weather in December.
In May, San Blas experiences a striking transition to warmer weather, with temperatures reaching their peak and averaging a comfortable warmth that invites outdoor adventures. This month stands out with zero precipitation days, making it a dry time suitable for beach activities and exploration. Compared to other months, May's humidity levels remain moderate, enhancing the overall pleasantness of the tropical environment. If you want to learn more about what to expect year-round in this vibrant destination, check out San Blas Climate.