Last updated: April 22, 2025
Experience the charming May weather of San Blas, Mexico, where warm days invite exploration and relaxation. With maximum temperatures reaching 35°C (95°F), visitors can anticipate pleasant afternoons complemented by an average temperature of 22°C (72°F), perfect for enjoying outdoor activities. Nights can bring a cool respite, with lows dipping to 8°C (47°F). Though May sees only 21 mm (0.8 in) of rainfall spread across just 3 days, the humidity level at 75% adds a tropical touch to the air. Embrace the warmth and vibrancy of this coastal paradise as it comes alive this month!
In May, San Blas basks in the warmth of early summer, with temperatures ranging from a comfortable 8°C (47°F) at night to a sizzling 35°C (95°F) during the day. This month marks a notable transition, as the average temperature climbs to 22°C (72°F), reflecting a trend of steadily rising warmth since January. Not only does the heat intensify, but the shift from the cooler months underscores the region's vibrant atmosphere, inviting outdoor exploration and relaxation by the coast. As the days grow longer and the sun reigns, May truly sets the stage for an inviting tropical experience in this beautiful Mexican destination.
In May, San Blas experiences a noticeable increase in precipitation, with an average of 21 mm (0.8 in) recorded over just 3 days of rainfall. This shift marks a significant uptick compared to the preceding months, where minimal rain was the norm, particularly in April, which saw only 3 mm. As the region transitions into the wet season, this gradual rise in moisture foreshadows the much heavier rainfall that will dominate the upcoming months. June and July are especially wet, receiving 98 mm and 110 mm respectively, highlighting a clear trend towards increased precipitation as summer approaches. With May serving as a bridge to this wetter pattern, residents and visitors alike can anticipate the lush greenery that follows the showers in this vibrant coastal town.
In May, the humidity in San Blas, Mexico sees a notable rise, returning to 75%, mirroring the levels noted in January. This increase follows a gradual decline from the high humidity of January at 75% to April's low of 64%. As the region transitions into the warmer months, the humidity begins to climb again, peaking at 78% in June. This fluctuation showcases a pattern where the early months of the year exhibit a comfortable humidity range, giving way to a more humid climate as summer approaches. The trend continues, with humidity reaching 81% in September and peaking at 87% from November to December, indicating that San Blas experiences a consistently humid climate in the latter half of the year.
In May, San Blas, Mexico, faces one of the highest UV indices of the year, reaching 15, categorized as extreme. This marks a continuation of the soaring UV levels observed since February, emphasizing the need for protective measures, as the burn time is just 10 minutes. Following the patterns established in the preceding months, the intensity remains consistent, reinforcing the importance of vigilance against sun exposure. As summer approaches, the UV Index gradually starts to decrease in June, but for now, it's crucial to plan outdoor activities wisely. For more detailed information, check out the San Blas UV Index.
UV Risk Categories
May shines brightly in San Blas, Mexico, boasting an impressive 349 hours of sunshine—the most of any month during the year. This delightful peak follows a steady climb from January’s 230 hours, showcasing a gradual increase in daylight as spring transitions into early summer. After April's 328 hours, May offers a radiant burst of sunlight that sets the perfect backdrop for beach days and tropical adventures. As summer progresses, June maintains a solid 332 hours, while July and August hold steady, demonstrating that sunshine remains a hallmark of this enchanting coastal town. Despite the slight dip in September through November, where hours range from 297 to 280, May undeniably stands out as a radiant gem in San Blas, inviting visitors to bask in its warm, sunlit embrace.
In San Blas, Mexico, the likelihood of sunny weather in May holds steady at 69%, making it a satisfying continuation of the spring season. This figure mirrors the sunlit optimism seen in April and contrasts sharply with the significantly lower odds of sunshine in the following summer months, where June and July drop to 35% and 31%, respectively. As the region transitions from the sun-drenched cheer of early spring, May retains its inviting warmth, reminding visitors that it’s a delightful time to enjoy outdoor adventures before the intensifying rains of summer set in. While May may not have the highest chances of sun compared to February’s impressive 83%, it certainly stands out as a dependable choice for those seeking sun-soaked experiences.
In San Blas, Mexico, the duration of daylight experiences a captivating cyclical trend throughout the year. Starting at 10 hours in January, the days gradually lengthen, reaching 12 hours by March and April. As May arrives, residents and visitors are greeted with an inviting 13 hours of sunlight, marking the peak of daylight for the year. This generous brightness continues through June and July, creating an ideal setting for outdoor activities. However, as summer wanes, daylight gradually begins to retreat, settling back to 12 hours in August and September, before tapering down to 11 hours by October and November, and returning to the winter lows of 10 hours in December. This rhythm of light and dark beautifully reflects the seasonal changes in this vibrant coastal region.
In May, San Blas experiences a gentle average wind speed of 3.1 m/s (7 mph), making it a delightful time for outdoor activities and exploration. As spring transitions into early summer, the winds reflect a slight dip from the previous month's 3.5 m/s (8 mph). Notably, May's winds are reminiscent of the consistent breezes found in the preceding months, particularly February and April, which also recorded favorable speeds. Following this, the winds gradually soften as summer approaches, with July and September seeing their lowest averages. This seasonal pattern contributes to the region's pleasant climate, offering visitors a serene backdrop as they enjoy the stunning coastal views and vibrant local culture.
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.
In May, the weather is significantly warmer than in January, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 35°C (95°F) and an average of 22°C (72°F). The month experiences more substantial rainfall, totaling 21 mm (0.8 in) over about 3 days, while humidity remains consistently high at 75%. In contrast, January features cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 26°C (80°F), averaging 13°C (56°F). It sees less precipitation at 9 mm (0.4 in) over 2 days, yet maintains the same humidity level of 75%. For a detailed look at January weather, you can visit San Blas weather in January.
The weather in May is significantly warmer than in February, with average temperatures reaching around 22°C (72°F) compared to February's 15°C (60°F). May can experience higher maximum temperatures, peaking at 35°C (95°F), while February's maximum is 30°C (86°F). Precipitation is slightly more frequent in May, with about 21 mm (0.8 in) falling over three days, whereas February sees only 8 mm (0.3 in) across just one day. Additionally, the humidity levels are relatively higher in May at 75%, in contrast to February's 69%. For a more detailed look at February weather, you can check San Blas weather in February.
In comparing the weather of May and March, it's clear that May typically offers warmer temperatures, with averages around 22°C (72°F) and maximums soaring up to 35°C (95°F). In contrast, March features slightly cooler averages of 18°C (66°F) and peaks at 33°C (91°F). Additionally, May experiences more humidity at 75% compared to March's 65%, making the air feel warmer. Precipitation also varies significantly, with May receiving about 21 mm over 3 days, while March sees a drier pattern with just 4 mm of rain over a single day. For a more detailed look at March's weather, check out San Blas weather in March.
In comparing the weather between April and May, it's clear that May typically brings warmer temperatures, with an average of 22°C (72°F) compared to April's 20°C (69°F). The maximum temperature in May can reach as high as 35°C (95°F), whereas April's peak is slightly lower at 33°C (92°F). Additionally, May experiences more precipitation, totaling 21 mm (0.8 in) over three days, while April is much drier with only 3 mm (0.1 in) over just one day. The humidity also increases in May, averaging 75% compared to April's 64%. For more detailed information on April weather, check out San Blas weather in April.
In comparing the weather between May and June, May tends to be warmer on average, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 35°C (95°F), and an average of 22°C (72°F). In contrast, June's temperatures show a slightly higher minimum of 11°C (52°F), but a similar maximum of 35°C (95°F) and a slightly cooler average of 21°C (71°F). However, June is considerably wetter, receiving 98 mm (3.9 in) of rain over 12 days, compared to May's 21 mm (0.8 in) over just 3 days. Additionally, June has a slight increase in humidity at 78%, compared to May's 75%. For more details, check out the information on San Blas weather in June.
In May, temperatures range from a mild 8°C (47°F) at night to a warm 35°C (95°F) during the day, with an average of 22°C (72°F). The month sees relatively low precipitation at 21 mm (0.8 in) over just three days, accompanied by higher humidity levels of 75%. In contrast, July experiences slightly cooler average temperatures, with a minimum of 12°C (54°F) and a maximum of 31°C (89°F), resulting in an overall average of 20°C (69°F). However, July is much wetter, with precipitation totaling 110 mm (4.3 in) across 14 days, and the humidity drops to 67%. For those interested in more detailed weather information, you can check out San Blas weather in July.
In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 35°C (95°F), with an average of 22°C (72°F). The month receives light precipitation of 21 mm (0.8 in) over about three days, accompanied by relatively high humidity levels of 75%. In contrast, August experiences slightly warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 31°C (89°F), while the average drops slightly to 21°C (69°F). However, August is notably wetter, with 79 mm (3.1 in) of precipitation spread over ten days, and the humidity is lower at 64%. For more detailed information, you can refer to San Blas weather in August.
May and September present distinctly different weather patterns. In May, temperatures range from a mild 8°C (47°F) at night to a warm 35°C (95°F) during the day, with an average of 22°C (72°F). Precipitation is relatively low at 21 mm (0.8 in) over just three days, with a humidity level of 75%. In contrast, September sees a cooler average temperature of 19°C (67°F), with nighttime lows starting at 9°C (48°F) and daytime highs reaching up to 29°C (85°F). This month experiences significantly higher rainfall, totaling 117 mm (4.6 in) across 14 days and a slight increase in humidity to 81%. For more specifics on September weather, you can check San Blas weather in September.
The weather in May is generally warmer and drier compared to October. During May, temperatures range from a minimum of 8°C (47°F) to a maximum of 35°C (95°F), with an average of 22°C (72°F) and only 21 mm (0.8 in) of precipitation over about 3 days. In contrast, October experiences cooler temperatures, with a minimum of 5°C (40°F) and a maximum of 29°C (85°F), averaging around 18°C (65°F). Additionally, October sees increased rainfall, with 40 mm (1.6 in) spread over approximately 6 days and higher humidity levels at 85%. For more detailed insights, you can visit San Blas weather in October.
May typically features warmer temperatures, with a minimum of 8°C (47°F) and an average reaching up to 22°C (72°F), while November sees cooler conditions with temperatures dropping to a minimum of 0°C (32°F) and an average of 16°C (60°F). In terms of maximum temperatures, May can soar to 35°C (95°F), compared to November's peak of 28°C (84°F). Additionally, May experiences slightly more precipitation with 21 mm (0.8 in) over 3 days, while November has less rainfall at 12 mm (0.5 in) across just 1 day. Interestingly, humidity levels are quite high in both months, hovering around 75% in May and increasing to 87% in November, contributing to a moist atmosphere. For more detailed information on November weather, check San Blas weather in November.
In comparing the weather between May and December, notable differences emerge. May enjoys warmer temperatures with a minimum of 8°C (47°F) and an average high of 35°C (95°F), while December sees cooler conditions, registering a minimum of -6°C (22°F) and an average maximum of only 28°C (82°F). Additionally, May experiences more rainfall, recording 21 mm (0.8 in) over approximately 3 days, compared to December's 8 mm (0.3 in) over just 1 day. Humidity levels are also higher in December at 87%, compared to May’s 75%, contributing to a more humid winter atmosphere. For those interested in a detailed look, you can explore more about San Blas weather in December.
As May rolls in, San Blas transforms into a vibrant tapestry of warmth and humidity, offering visitors a delightful contrast to the cooler months that precede it. With average temperatures reaching a pleasant 22°C, the days can heat up to a steamy 35°C, making it an ideal time for outdoor adventures. Although precipitation is limited to just a few days, the humidity lingers at around 75%, adding a tropical flair to the air. This unique blend of heat and moisture creates a blooming landscape, inviting travelers to explore the region's natural beauty. For an in-depth understanding of the weather throughout the year, check out San Blas Climate.