Last updated: April 22, 2025
May in San Blas, Mexico unveils a delightful climate, featuring a maximum temperature of 31°C (87°F) and an average of 25°C (77°F), perfect for outdoor adventures. With minimum temperatures reaching 18°C (64°F), the evenings invite comfortable relaxation by the coast. Notably, the region enjoys a dry spell with only 2 mm (0.1 in) of precipitation recorded over the month, and zero rainy days, allowing visitors to bask in the abundant 69% humidity without interruption. With such inviting conditions, May is an ideal time to explore the beauty and charm of San Blas.
In May, San Blas, Mexico, welcomes the warmth of early summer with delightful temperatures that hint at the season's arrival. The minimum temperature rises to a comfortable 18°C (64°F), fostering an inviting atmosphere for outdoor adventures. During the day, the average temperature reaches a pleasant 25°C (77°F), perfect for soaking in the sun on the stunning beaches. As the thermometers hit their peak, they can reach a balmy 31°C (87°F), bringing vibrant energy to the coastal town. This month marks a transitional phase, with temperatures gradually increasing compared to the cooler spring months, making it an ideal time for travelers seeking both relaxation and mild summer excitement.
In San Blas, Mexico, the month of May marks the transition from the dry season to the onset of the rainy season, with precipitation recorded at a modest 2 mm (0.1 in). This notably low amount signifies that May is typically characterized by dry weather; interestingly, it registers no precipitation days. As the region gears up for the summer months, however, rainfall dramatically increases, peaking in August with an impressive 426 mm (16.8 in) over 27 days of rain. This clear escalation from May signals the arrival of a tropical downpour pattern, suggesting a significant shift in weather dynamics as summer approaches, preparing for a lush and vibrant landscape.
In San Blas, Mexico, May marks a transition in humidity levels, settling at a comfortable 69%. This figure is slightly higher than the preceding months, which saw a steady decline from January's peak of 71% to April's low of 66%. As the region progresses into the warmer months of June and July, humidity levels significantly rise, reaching 78% and 79% respectively. This pattern suggests that while May offers relatively pleasant conditions, it heralds the onset of a more humid season, with the air becoming increasingly tropical as summer approaches.
As the sun shines brightly in May, San Blas, Mexico experiences a notably high UV Index of 13, categorizing it as extreme. This trend of escalating UV radiation began in the earlier months, starting with a UV Index of 8 in January and climbing steadily to 13 by May, a pattern that continues into June. With a burn time of just 10 minutes, it’s crucial for outdoor enthusiasts to take precautions—applying sunscreen, wearing protective clothing, and seeking shade are essential strategies during this time. The increasing UV levels not only signal the peak of sunlight but also emphasize the importance of sun safety in this beautiful coastal town. For more details on UV trends throughout the year, visit San Blas UV Index.
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May is truly a sun-kissed gem in San Blas, Mexico, with an impressive 352 hours of sunshine that outshines all preceding months. As spring transitions into summer, we see a consistent upward trend in sunlight from January's 225 hours to a robust April total of 329 hours. This delightful surge culminates in May, where longer days invite exploration of the stunning beaches and vibrant culture. While the sunny streak continues into June with 317 hours, the gradual tapering in the following months highlights May as peak brightness, perfect for soaking in the warmth of this coastal paradise. The sunshine not only illuminates the picturesque scenery but also enhances the lively atmosphere, making it an ideal time to experience all that San Blas has to offer.
As May approaches in San Blas, Mexico, the likelihood of basking in sunny weather significantly increases, reaching an impressive 80% chance of sunshine. This month follows a series of sunnier days in early spring—January through April, which consistently boast probabilities ranging from 56% to 67%. However, as the rainy season looms, that fortune diminishes dramatically in June and July, where sunny days plummet to just 29% and 25% respectively. This trend makes May an ideal time for travelers seeking beautiful beach days before the summer rains begin to set in. Embrace this golden window of sunshine and enjoy the vibrant beauty of San Blas!
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 San Blas, Mexico, the month of May typically showcases a subtle but invigorating breeze, with an average wind speed of 2.1 m/s (5 mph). This mild uptick in wind speed, consistent with the preceding months of March and April, hints at the transition into the warmer summer season. Interestingly, as the year progresses into June and beyond, the wind speed stabilizes back to 2.0 m/s, suggesting a pattern of gentle winds that define this coastal paradise. Notably, the summer months of July and August see a dip, where the winds soften to around 1.6 to 1.9 m/s (4 mph), creating an idyllic atmosphere perfect for leisurely afternoons by the beach. Overall, May's refreshing breeze stands as a delightful reminder of the natural rhythms of San Blas, inviting both relaxation and adventure alike.
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, temperatures range from a comfortable minimum of 18°C (64°F) to a warm average of 25°C (77°F), peaking at a maximum of 31°C (87°F). This month experiences very little precipitation, with only 2 mm (0.1 in) and no rainy days, making it an ideal time for outdoor activities. Humidity hovers around 69%, adding to the pleasant warmth.
In contrast, January sees cooler temperatures, with a minimum of 12°C (55°F) and an average of 22°C (71°F), also reaching a high of 31°C (88°F). However, January is wetter, with 17 mm (0.7 in) of precipitation over one rainy day. Humidity is slightly higher at 71%, contributing to a different feel compared to the drier May conditions. For more detailed information, check out San Blas weather in January.
In comparing the weather between May and February, May tends to be warmer with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 31°C (87°F), while February has a slightly cooler average, with temperatures between 14°C (58°F) and 30°C (86°F). Notably, May is significantly drier, experiencing just 2 mm of precipitation over the month, compared to February's 18 mm, which falls over one day. Despite both months having the same humidity level of 69%, May's dry conditions and higher temperatures make it feel hotter than February. For more details on February's weather patterns, check out San Blas weather in February.
In March, temperatures begin to warm up with a minimum of 15°C (59°F) and an average of 22°C (73°F), peaking at 29°C (85°F). The month is pleasantly dry, with no recorded precipitation and comfortable humidity levels at 67%. Moving into May, the weather becomes hotter, featuring a minimum temperature of 18°C (64°F), an average of 25°C (77°F), and a maximum of 31°C (87°F). While May remains dry with only 2 mm of precipitation, humidity rises slightly to 69%. For those interested in a detailed overview of the conditions, check out San Blas weather in March.
In comparing the weather patterns of May and April, we see that May experiences slightly warmer temperatures, with a minimum of 18°C (64°F) and an average of 25°C (77°F), compared to April's minimum of 16°C (61°F) and average of 23°C (74°F). Both months recorded no precipitation, but May boasts a marginally higher humidity level at 69%, compared to April's 66%. While April’s maximum temperature reaches 30°C (86°F), May nudges slightly higher to a maximum of 31°C (87°F), making it a touch warmer overall. For a more detailed look at April weather, you can visit San Blas weather in April.
In May, the weather tends to be warm and relatively dry, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 31°C (87°F) and only 2 mm (0.1 in) of precipitation over the month. The humidity levels sit at a comfortable 69%. In contrast, June brings a noticeable change, with warmer temperatures starting at a minimum of 20°C (68°F) and peaking at 33°C (91°F), while experiencing significant rainfall of 117 mm (4.6 in) over 11 days. The humidity also increases to 78%, creating a more tropical atmosphere. For more details, check out San Blas weather in June.
May and July present distinctly different weather patterns. In May, temperatures range from a minimum of 18°C (64°F) to a maximum of 31°C (87°F), with an average of 25°C (77°F) and very little precipitation—only 2 mm (0.1 in)—making it a drier month with comfortable humidity at 69%. In contrast, July experiences much warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 33°C (92°F), averaging 28°C (82°F). However, July is significantly wetter, recording 223 mm (8.8 in) of precipitation over 23 days, and the humidity climbs to 79%. For more detailed insights, you can visit San Blas weather in July.
May and August exhibit distinctly different weather patterns. In May, temperatures are generally milder, with a minimum of 18°C (64°F), an average of 25°C (77°F), and a maximum of 31°C (87°F). This month also enjoys minimal precipitation, with just 2 mm (0.1 in) and no rainy days, along with relatively moderate humidity at 69%. In contrast, August's weather is notably warmer and wetter, with minimum temperatures rising to 24°C (75°F), an average of 28°C (82°F), and maximums reaching 33°C (92°F). August is characterized by significant rainfall, receiving around 426 mm (16.8 in) over 27 days, and higher humidity levels at 78%. For more detailed information, you can check out San Blas weather in August.
May and September present strikingly different weather experiences. In May, temperatures range from a comfortable minimum of 18°C (64°F) to a warm average of 25°C (77°F), peaking at 31°C (87°F). With minimal precipitation of just 2 mm and no rainy days, the humidity sits at a moderate 69%, making it an ideal month for outdoor activities. In contrast, September sees higher temperatures with a minimum of 23°C (74°F) and an average of 27°C (81°F), reaching up to 32°C (91°F). However, this month is marked by significant rainfall, totaling 367 mm over 27 days, and increased humidity at 78%, which can lead to a more uncomfortable atmosphere. For a detailed look at weather specifics, check out San Blas weather in September.
In May, the weather tends to be warm and dry, with temperatures averaging around 25°C (77°F) and minimal precipitation, typically only 2 mm over the course of the month. The humidity is moderate at 69%, making it a comfortable time to enjoy outdoor activities. In contrast, October experiences higher temperatures, with an average of 27°C (81°F) and a maximum of 34°C (93°F), but it also brings significant rainfall, totaling 190 mm over approximately 16 days. The humidity increases slightly to 75%, creating a more tropical atmosphere. For a detailed look at the October climate in San Blas, you can check this link: San Blas weather in October.
May and November both feature warm temperatures, with minimums around 18°C (64°F) and average highs close to 31°C (87°F) in May and 32°C (89°F) in November. However, November tends to be slightly wetter, receiving about 9 mm (0.4 in) of precipitation over one day, whereas May enjoys a drier climate with only 2 mm (0.1 in) and no recorded rainy days. Additionally, humidity is higher in November at 74% compared to May's 69%, contributing to a more sultry feel as the year progresses. For more detailed information, visit San Blas weather in November.
In May, the weather is warm and relatively dry, with temperatures ranging from a pleasant 18°C (64°F) at night to a daytime high of 31°C (87°F) and an average of 25°C (77°F). The month sees minimal precipitation, only about 2 mm (0.1 in), and the humidity is generally comfortable at 69%. In contrast, December brings slightly cooler temperatures, with a minimum of 15°C (59°F) and an average of 23°C (73°F), peaking at 30°C (85°F). While precipitation increases to 7 mm (0.3 in) over just one day, the humidity is a bit higher at 74%. For more details on December conditions, check out San Blas weather in December.
As May rolls into San Blas, the weather welcomes visitors with an inviting warmth, featuring pleasant temperatures averaging around 25°C (77°F) and maximum highs reaching 31°C (87°F)—making it notably warmer than the cooler months preceding it. With the humidity hovering at a comfortable 69% and an impressive dry streak of zero precipitation days, May stands out as a perfect time for outdoor adventures and soaking up the sun. Compared to the rainy season that follows, this month offers a fantastic balance of warmth without the disruption of wet weather. For those planning a trip, you can learn more about the area's climate by visiting San Blas Climate.