July Weather in San Blas, Mexico

Last updated: April 22, 2025

July in San Blas, Mexico presents a warm tropical climate, characterized by a maximum temperature of 31°C (89°F) and a comfortable average of 20°C (69°F), while nighttime lows dip to 12°C (54°F). This month sees a notable precipitation total of 110 mm (4.3 in), occurring over 14 days, contributing to the region's lush greenery. With humidity levels around 67%, visitors can expect a mix of sunny days interspersed with refreshing rain showers, making it a vibrant time to experience the natural beauty and charm of San Blas.

July Temperature in San Blas

In July, San Blas, Mexico, experiences a warm climate that welcomes visitors with mild evenings and pleasantly warm days. The average temperature hovers around 20°C (69°F), while daytime highs reach a comfortable 31°C (89°F), making it a perfect time for beach outings and outdoor activities. Nights are also relatively mild, with temperatures rarely dipping below 12°C (54°F). As summer peaks, July maintains a trend of consistently warm weather, aligning closely with August's conditions, and provides an inviting escape for those looking to enjoy the vibrant culture and stunning landscapes of this coastal gem.

July Weather in San Blas: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in San Blas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec566065697271686966656056
Data source: Temperature data for San Blas 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.

July Precipitation in San Blas

In July, San Blas, Mexico, experiences a notable surge in precipitation, with rainfall reaching 110 mm (4.3 in) over an average of 14 days. This increase marks a significant leap from the previous months, particularly June, which recorded 98 mm (3.9 in) across fewer days. This trend of elevated rainfall continues, contributing to the region's tropical climate and lush landscapes. Following July, the precipitation begins to taper off slightly in August, yet the rainy season remains a hallmark of summer in San Blas. As the months progress, September sees another rise in rainfall, indicating the variability and intensity of the region's wet season. Overall, July stands out as a peak period for rainfall, laying the groundwork for San Blas's rich natural beauty.

July Precipitation Trends in San Blas

The chart displays monthly precipitation patterns in San Blas, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1094321981107911740128
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in San Blas

In July, the humidity in San Blas, Mexico dips to 67%, a refreshing reprieve from the peaks seen earlier in the summer. This month marks a slight decrease from June's sticky 78%, aligning with a general trend of declining humidity through the early summer. Notably, as the year progresses, humidity levels rise sharply in the fall and winter months, reaching a staggering 87% by November and December. Such fluctuations create a tropical climate where the start of the rainy season in June gives way to a brief, more temperate July, before the humidity surges again in the subsequent months.

July Average Humidity in San Blas

This chart illustrates the average monthly humidity levels in San Blas, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec75%69%65%64%75%78%67%64%82%86%87%87%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in San Blas

In July, San Blas, Mexico experiences an extreme UV Index of 14, maintaining the heightened risk of sunburn with a burn time of just 10 minutes. This trend of elevated UV levels continues from the preceding months, with January to June reflecting similar extreme readings, particularly peaking at a UV Index of 15 in April and May. As we move towards August and September, these extreme conditions persist, indicating consistent care is needed to protect your skin. Whether lounging on the beach or exploring the area, being mindful of UV exposure is essential. For more detailed information on UV levels throughout the year, check out San Blas UV Index.

Maximum UV Index Levels in San Blas for July

The chart shows the monthly maximum UV Index (UVI) for San Blas in July, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9111415151414141412108
Data source: San Blas July 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.

July Sunshine in San Blas

In July, San Blas basks in a radiant 336 hours of sunshine, maintaining a delightful trend seen throughout the summer months. This sunny delight, just shy of June’s highs, keeps the spirit of summer alive as the days remain bright and inviting. With only slight variations in sunlight hours from May through August, visitors can count on extended daylight for exploration and relaxation. This consistent streak of sunshine not only enhances the beauty of San Blas's beaches but also creates a perfect backdrop for outdoor adventures, making it an ideal destination for those seeking warmth and vibrant natural scenery. As the year progresses towards autumn, the sun gradually begins to retreat, but July undeniably stands out as a luminous gem in San Blas's calendar.

Monthly Sunshine Duration in San Blas: July Highlighted

The July sunshine duration represents the total number of hours San Blas experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec230h268h317h328h349h332h336h336h297h293h280h284h
Data source: San Blas July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Blas During July

In San Blas, Mexico, July sees a notable dip in sunshine likelihood, with only a 31% chance of clear skies, making it one of the cloudier months of the year. This decline is part of a broader trend following the sunny months of early summer, where June offers just 35% sunshine, while the peaks of February (83%) and March (71%) promise more reliable rays. As the region transitions into its rainy season, the chance of sunshine remains low through the late summer, rebounding slightly in October to 50%. Overall, if you’re planning a sun-soaked getaway, July may not be your best bet, as it stands in stark contrast to the brighter months preceding and following it.

Percentage of Sunny Days in July in San Blas

The chart illustrates the percentage of sunny days in San Blas throughout the year, with July 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 San Blas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%83%71%69%69%35%31%48%27%50%67%69%
Data source: San Blas July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Blas in July

In San Blas, Mexico, July brings a delightful consistency in daylight hours, with 13 hours of sunlight—just like the previous month of June. As we transition through the year, daylight duration experiences a gradual shift; it starts at 10 hours in January, steadily increasing to a peak of 13 hours by May and June. This summer abundance of light is followed by a gentle decrease into late summer and autumn, as August sees 12 hours of daylight, mirroring the early months of the year. The trend illustrates not just the warmth of summer but also a rhythmic balance that highlights the beauty of San Blas throughout the seasons.

Average Daylight Hours in San Blas for July

The chart illustrates the variation in daylight duration in San Blas throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 56m11h 24m12h 1m12h 40m13h 11m13h 27m13h 18m12h 50m12h 14m11h 35m11h 3m10h 47m
Data source: San Blas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in San Blas

In July, the winds in San Blas, Mexico, begin to calm, with an average speed of 2.5 m/s (6 mph). This marks a noticeable dip from the earlier months, as the breezy conditions of April and May, both peaking at 3.5 m/s (8 mph), give way to a gentler atmosphere. While the summer months typically usher in a mix of warmth and lighter winds, July showcases a shift toward a more tranquil environment, a trend that continues into the later summer with August picking up slightly to 3.2 m/s (7 mph). This patterns suggests that the region is transitioning, inviting visitors to enjoy the soft sea breezes and vibrant coastal scenery during the height of summer.

Average July Wind Speed in San Blas

The chart displays monthly wind speed patterns in San Blas, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.43.33.53.13.02.5 m/s3.22.32.62.72.3
Data source: San Blas July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in San Blas Compares to Other Months

The weather in San Blas changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July'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 July, the weather showcases a warm range with minimum temperatures around 12°C (54°F) and maximums peaking at 31°C (89°F), accompanied by a higher average of 20°C (69°F). However, it also brings significant precipitation, with 110 mm (4.3 in) over approximately 14 days, resulting in a humidity level of 67%. Conversely, January presents a stark contrast, with cooler temperatures, where the minimum dips to -1°C (30°F) and the maximum reaches 26°C (80°F), along with a much lower average of 13°C (56°F). Additionally, January typically experiences minimal rainfall of just 9 mm (0.4 in) over 2 days, despite the humidity rising to 75%. For more insights on January weather, you can check out San Blas weather in January.

In comparing the weather of July and February, notable differences emerge. July typically brings warmer temperatures, ranging from a minimum of 12°C (54°F) to a maximum of 31°C (89°F), with an average of 20°C (69°F). It also has higher precipitation, with 110 mm (4.3 in) falling over about 14 days and a humidity level of 67%. In contrast, February features much cooler temperatures, with a minimum of 1°C (34°F) and a maximum close to 30°C (86°F), averaging around 15°C (60°F). Precipitation during this month is significantly lower at just 8 mm (0.3 in) over only one day, with a slightly higher humidity of 69%. For more detailed insights into February weather, you can visit San Blas weather in February.

When comparing the weather in July and March, notable differences emerge. July experiences a wider temperature range, with minimums around 12°C (54°F) and maximums reaching up to 31°C (89°F), alongside an average temperature of 20°C (69°F). This month also sees higher precipitation levels, with about 110 mm (4.3 in) over approximately 14 days and humidity around 67%. In contrast, March offers milder conditions, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 33°C (91°F), and an average of 18°C (66°F). Notably, March has significantly less precipitation, at only 4 mm (0.2 in) across just one day, with humidity slightly lower at 65%. For a more detailed look at March weather, you can visit San Blas weather in March.

When comparing the weather in July and April, it's evident that both months have an average temperature of 20°C (69°F), but they differ significantly in other aspects. July experiences a higher maximum temperature of 31°C (89°F) compared to April's 33°C (92°F). However, April boasts a lower minimum temperature of 5°C (42°F) versus July's 12°C (54°F). Additionally, July is marked by considerably more precipitation, with 110 mm (4.3 in) falling over 14 days, while April sees just 3 mm (0.1 in) of rainfall over a single day. Humidity levels also fluctuate slightly, standing at 67% in July and 64% in April. For those interested in exploring April's weather further, you can find more details here: San Blas weather in April.

July and May showcase distinct weather patterns, highlighting the transition from early summer to midsummer. In July, temperatures range from a minimum of 12°C (54°F) to a maximum of 31°C (89°F), with an average of 20°C (69°F). This month experiences considerable precipitation, accumulating to 110 mm (4.3 in) over 14 days, accompanied by a humidity level of 67%. In contrast, May boasts warmer conditions, with temperatures varying from 8°C (47°F) to a soaring 35°C (95°F), and an average of 22°C (72°F). With significantly lower rainfall, May only sees 21 mm (0.8 in) over just 3 days, despite having a higher humidity level of 75%. For more information, you can check San Blas weather in May.

In comparing the weather between June and July, we see distinct differences in temperature and precipitation patterns. June experiences slightly warmer temperatures, with a minimum of 11°C (52°F) and an average high of 35°C (95°F), while July has a cooler minimum of 12°C (54°F) and a more moderate maximum of 31°C (89°F). Precipitation is relatively similar, with June receiving 98 mm (3.9 in) over 12 days compared to July's 110 mm (4.3 in) falling over 14 days. Additionally, June tends to be more humid at 78%, compared to July's 67%. For a deeper look at weather specifics in June, you can check this link: San Blas weather in June.

In comparing the weather between July and August, we see that both months feature similar temperature ranges, with July offering a minimum of 12°C (54°F), an average of 20°C (69°F), and a maximum of 31°C (89°F), while August has slightly higher average temperatures at 21°C (69°F). Precipitation levels are notably different, as July receives 110 mm (4.3 in) over 14 days, making it considerably wetter than August, which sees just 79 mm (3.1 in) across 10 days. Additionally, humidity levels decrease slightly from 67% in July to 64% in August, contributing to a more comfortable feel in the latter month. For a more detailed look at August weather in this region, you can visit San Blas weather in August.

In comparing the weather of July and September, July boasts a warmer climate with average temperatures around 20°C (69°F) and highs reaching up to 31°C (89°F). In contrast, September sees slightly cooler temperatures, with an average of 19°C (67°F) and maximums of 29°C (85°F). While both months experience similar levels of precipitation—14 days of rainfall—with July totaling 110 mm (4.3 in) and September slightly higher at 117 mm (4.6 in), September also brings increased humidity at 81%, compared to July's 67%. For a more detailed look at the weather in September, you can visit San Blas weather in September.

July weather tends to be warmer, with average temperatures hovering around 20°C (69°F) and highs reaching up to 31°C (89°F). The month also experiences considerable rainfall, with about 110 mm (4.3 in) falling over 14 days, contributing to a relatively humid atmosphere at 67%. In contrast, October sees cooler conditions, with average temperatures dropping to 18°C (65°F) and a maximum of 29°C (85°F). The precipitation is significantly reduced to 40 mm (1.6 in) over just 6 days, though humidity rises to 85%. For a detailed look at October weather in San Blas, check out San Blas weather in October.

July and November present stark contrasts in weather patterns. In July, temperatures range from a mild 12°C (54°F) at night to a warm 31°C (89°F) during the day, with an average of 20°C (69°F). This month also sees considerable rainfall, with precipitation amounting to 110 mm (4.3 in) over about 14 days, accompanied by a humidity level of 67%. In contrast, November experiences much cooler weather, with temperatures ranging from a chilly 0°C (32°F) at night to a pleasant 28°C (84°F) during the day, averaging 16°C (60°F). Precipitation is minimal in November, totaling just 12 mm (0.5 in) across a single day, while humidity rises to 87%. For a closer look at the conditions in November, you can check out San Blas weather in November.

In July, the weather is typically warm and humid, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 31°C (89°F) and an average temperature of 20°C (69°F). This month also sees considerable precipitation, with around 110 mm (4.3 in) falling over approximately 14 days, contributing to a humidity level of 67%. In contrast, December presents a much cooler climate, with temperatures varying from a frigid minimum of -6°C (22°F) to a warm maximum of 28°C (82°F), averaging at 13°C (56°F). Precipitation during this month is minimal, with only 8 mm (0.3 in) recorded on just one day and a higher humidity level of 87%. For more details on the weather in December, you can check San Blas weather in December.

Compare San Blas's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in San Blas

As July unfolds in San Blas, visitors can expect a noticeable shift in weather, marked by warmer temperatures and increased humidity compared to the preceding months. With maximum highs reaching 31°C (89°F) and an average of 20°C (69°F), the days are inviting for outdoor activities. However, July also brings a heightened likelihood of rain, with approximately 14 days experiencing precipitation that totals around 110 mm (4.3 in). This combination of warmth and moisture fosters a lush, vibrant landscape, making San Blas an enchanting destination. For a detailed understanding of the climate patterns, check out San Blas Climate.