August Weather in Isla Mujeres, Mexico

Last updated: April 22, 2025

August in Isla Mujeres, Mexico is characterized by warm and humid conditions, with average temperatures hovering around 28°C (83°F). Daily highs can reach a maximum of 30°C (86°F), while nights are comfortably mild with minimum temperatures of 26°C (79°F). This month typically sees about 100 mm (3.9 in) of precipitation over approximately 14 days, making it one of the wetter months of the year. The humidity level lingers around 76%, adding to the tropical ambiance that defines this beautiful island. Whether you’re basking in the sun or seeking refuge from a passing shower, August offers a vibrant and lively experience on Isla Mujeres.

August Temperature in Isla Mujeres

In August, Isla Mujeres experiences warm and inviting temperatures that epitomize a tropical paradise. With minimums around 26°C (79°F) and averages hitting 28°C (83°F), the island offers a comfortable retreat for sun-seekers. The maximum temperatures can reach up to 30°C (86°F), signaling the peak of summer heat. This month continues the trend of rising temperatures seen since late spring, making it the perfect time to bask in the sun or explore the enchanting beaches. With similar temperatures expected in September, August serves as a vibrant invitation to enjoy the lively atmosphere and stunning natural beauty of Isla Mujeres.

August Weather in Isla Mujeres: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Isla Mujeres, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec767778798182838382817978
Data source: Temperature data for Isla Mujeres 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.

August Precipitation in Isla Mujeres

In August, Isla Mujeres experiences a significant increase in precipitation, with an average rainfall of 100 mm (3.9 in) over 14 days. This marks a departure from the relatively dry July, which only recorded 44 mm (1.7 in). As summer nears its end, the island witnesses heightened humidity and an uptick in showers, making August one of the wetter months. This trend continues into September, where even more rain typically falls, suggesting that the tropical climate brings a balance of sun-soaked days alongside refreshing rain to replenish the vibrant landscape. As temperatures remain high, these summer storms become a refreshing feature of the season, offering a beautiful contrast to the island's pristine beaches.

August Precipitation Trends in Isla Mujeres

The chart displays monthly precipitation patterns in Isla Mujeres, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec623021341181664410011721411873
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Isla Mujeres

In August, Isla Mujeres experiences a humidity level of 76%, consistent with the preceding months of June and July. This slight stability in humidity showcases the island's tropical climate, with the humidity generally remaining in the mid to high seventies from March through October. As the year progresses into November and December, the humidity begins to rise again, tipping the scales towards 78% and 80%, respectively. This trend highlights the region's lush, vibrant atmosphere, making it a haven for those who enjoy warm, tropical surroundings year-round.

August Average Humidity in Isla Mujeres

This chart illustrates the average monthly humidity levels in Isla Mujeres, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%76%76%75%76%76%76%76%76%78%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Isla Mujeres

As summer peaks in August, the UV Index in Isla Mujeres, Mexico, remains notably high at 12, categorizing exposure as extreme and limiting safe sun exposure to just 10 minutes before risking sunburn. This trend aligns with the preceding summer months, where UV levels reach their zenith between April and June. Post-August, the index gradually dips, but even September sustains the extreme category at 12, reflecting a consistent need for sun safety. Travelers and locals alike should remain mindful of the strong sun during this period and can find detailed information on daily UV levels at Isla Mujeres UV Index.

Maximum UV Index Levels in Isla Mujeres for August

The chart shows the monthly maximum UV Index (UVI) for Isla Mujeres in August, 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.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131212121187
Data source: Isla Mujeres August 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.

August Sunshine in Isla Mujeres

In August, Isla Mujeres basks in a delightful 333 hours of sunshine, maintaining its status as a premier tropical getaway. As the summer reaches its peak, the island enjoys consistently high sunlight, with July preceding it at an impressive 346 hours. This trend showcases not only the warmth and allure of these summer months but also hints at the region's remarkable brightness during the year, with only a slight dip as the sun begins to set sooner in September. From the 283 hours in February to the sunlit embrace of late summer, the gradual increase highlights a vibrant climate that beckons visitors to revel in outdoor adventures throughout the year.

Monthly Sunshine Duration in Isla Mujeres: August Highlighted

The August sunshine duration represents the total number of hours Isla Mujeres experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec232h283h324h329h345h306h346h333h317h302h297h295h
Data source: Isla Mujeres August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Isla Mujeres During August

In August, Isla Mujeres offers a 52% chance of sunny weather, making it a delightful choice for those seeking a beach escape. This figure reflects a summer pattern where, although sunshine dips from the height of July's 60%, it remains comfortably above the lower probabilities seen in earlier months like June (29%) and September (33%). The transitional nature of August suggests travelers can still enjoy leisurely days under the sun, while the consistent sunshine in the last half of the year—from October's 52% back to December's 62%—highlights that beautiful weather is a hallmark of Isla Mujeres, ensuring the island remains appealing throughout the year.

Percentage of Sunny Days in August in Isla Mujeres

The chart illustrates the percentage of sunny days in Isla Mujeres throughout the year, with August 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 Isla Mujeres experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%66%70%62%55%29%60%52%33%52%49%62%
Data source: Isla Mujeres August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Isla Mujeres in August

In Isla Mujeres, Mexico, the daylight duration presents a captivating rhythm throughout the year, peaking in spring and summer. Starting with 10 hours in January, the days gradually lengthen, reaching a delightful 13 hours by May and holding steady through July. As August arrives, the sunshine begins to retreat slightly, providing a generous 12 hours of daylight—a perfect balance for beachgoers and sunset lovers. This trend continues into September, before tapering off again in the cooler months to 11 hours in October and November, and back to 10 hours by December. The ebb and flow of daylight not only enhances the island's charm but also invites visitors to revel in its natural beauty across seasons.

Average Daylight Hours in Isla Mujeres for August

The chart illustrates the variation in daylight duration in Isla Mujeres throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 59m11h 26m12h 1m12h 38m13h 8m13h 23m13h 15m12h 48m12h 13m11h 37m11h 6m10h 51m
Data source: Isla Mujeres daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Isla Mujeres

In August, the winds in Isla Mujeres gently whisper at an average speed of 5.6 m/s (13 mph), marking a slight uptick from the more languid July breezes of 5.1 m/s (11 mph). This increase, albeit modest, is part of a seasonal trend that sees wind speeds gradually rising from the calmer summer months towards the blustery winter period, where the averages begin to reclaim their higher values. While August's winds are still relatively soft compared to the robust gusts of earlier months like April and March, they provide a refreshing backdrop for visitors seeking solace in the island's natural beauty. As the peak summer heat wanes, the gentle August winds beckon adventure, making it an ideal time for sailing, kite surfing, or simply enjoying the beachside ambiance.

Average August Wind Speed in Isla Mujeres

The chart displays monthly wind speed patterns in Isla Mujeres, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.26.96.87.06.66.25.15.6 m/s5.04.65.46.1
Data source: Isla Mujeres August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Isla Mujeres Compares to Other Months

The weather in Isla Mujeres changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Isla Mujeres and find detailed weather information for every month.

In August, the weather is generally warmer and more humid, with average temperatures around 28°C (83°F) and maximums reaching 30°C (86°F). This month also sees significant rainfall, with about 100 mm (3.9 in) of precipitation over 14 days. In contrast, January offers a milder climate, with average temperatures dropping to 24°C (76°F) and maximums of 28°C (82°F). It experiences less rainfall, totaling around 62 mm (2.4 in) across 12 days, and a slightly higher humidity level of 79%. For more detailed insights into January weather, you can visit Isla Mujeres weather in January.

August and February present distinct weather contrasts. In August, temperatures are notably warmer, with averages around 28°C (83°F) and a maximum of 30°C (86°F), while February enjoys milder conditions, with averages at 25°C (78°F) and highs reaching 27°C (81°F). Additionally, August experiences significantly more precipitation, totaling 100 mm (3.9 in) over 14 days, compared to February's 30 mm (1.2 in) over just 10 days. Humidity is slightly higher in August at 76%, while February sees a similar level at 78%. For a more detailed look at February weather in Isla Mujeres, visit Isla Mujeres weather in February.

In August, the weather is noticeably warmer, with temperatures ranging from a minimum of 26°C (79°F) to a maximum of 30°C (86°F) and an average of 28°C (83°F). This month also experiences higher precipitation, with about 100 mm (3.9 in) spread over 14 days, contributing to a consistently humid atmosphere at 76%. In contrast, March presents milder conditions, featuring a temperature range from 21°C (70°F) to 27°C (82°F) and an average of 25°C (78°F). Precipitation in March is significantly lower at 21 mm (0.8 in) and occurs over just 5 days, maintaining the same humidity level of 76%. For a detailed overview of March weather, you can explore Isla Mujeres weather in March.

When comparing the weather in April and August, April tends to be slightly cooler with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (83°F). In contrast, August experiences warmer conditions, with temperatures averaging from 26°C (79°F) to 30°C (86°F). Additionally, April sees significantly less rainfall, averaging only 34 mm (1.3 in) over about 5 days, while August is notably wetter, with 100 mm (3.9 in) of precipitation across 14 days. Despite these differences, both months share a similar humidity level of 76%. For more detailed insights on April weather, you can visit Isla Mujeres weather in April.

When comparing the weather between August and May, we see some notable similarities and differences. August tends to be slightly warmer, with an average temperature of 28°C (83°F) compared to May's average of 27°C (81°F). The maximum temperature in August reaches 30°C (86°F), just a degree higher than May's 29°C (84°F). However, August experiences a bit more rainfall, with 100 mm (3.9 in) over 14 days, while May has 118 mm (4.6 in) across 16 days. Humidity levels are fairly similar, with August at 76% and May slightly lower at 75%. For a more detailed look at May's weather patterns, you can check out Isla Mujeres weather in May.

In June, temperatures are slightly cooler, with a minimum of 25°C (77°F) and an average of 28°C (82°F), peaking at 29°C (85°F). During this month, precipitation is more significant, averaging 166 mm (6.5 in) over 18 days. Conversely, August sees a minor increase in temperatures, with a minimum of 26°C (79°F) and a maximum of 30°C (86°F). While the humidity remains constant at 76%, precipitation drops to 100 mm (3.9 in) over 14 days in August. For a more detailed look at June weather specifics, you can refer to Isla Mujeres weather in June.

In comparing the weather between August and July, both months maintain similar temperatures, with August averaging 28°C (83°F) and July also at 28°C (83°F). However, August tends to be slightly warmer, featuring a maximum temperature of 30°C (86°F) compared to July's 29°C (85°F). One significant difference is in precipitation; August experiences considerably more rainfall, with 100 mm (3.9 in) over 14 days, whereas July only sees 44 mm (1.7 in) across 10 days. Both months share a consistent humidity level of 76%, making them feel equally warm despite the differences in rainfall. For more detailed insights into July weather, you can visit Isla Mujeres weather in July.

In August, the weather features a minimum temperature of 26°C (79°F) and an average of 28°C (83°F), with a maximum of 30°C (86°F). This month experiences around 100 mm (3.9 in) of precipitation spread over 14 days, paired with a steady humidity level of 76%. In contrast, September sees a slight dip in the minimum temperature at 25°C (77°F), while still maintaining the same average and maximum temperatures. However, it experiences increased rainfall, with total precipitation rising to 117 mm (4.6 in) over 19 days, all while humidity remains consistent at 76%. For more detailed information about September weather, you can visit Isla Mujeres weather in September.

August weather showcases warm temperatures, with lows around 26°C (79°F) and average highs reaching 30°C (86°F). Rainfall is common, with about 100 mm (3.9 in) of precipitation over 14 days, accompanied by a high humidity level of 76%. In contrast, October experiences slightly cooler temperatures, with a minimum of 24°C (76°F) and an average high of 29°C (85°F). However, it is wetter, collecting 214 mm (8.4 in) of rainfall over 23 days, while humidity remains consistent at 76%. For more detailed information, you can visit Isla Mujeres weather in October.

In August, the weather is characterized by warm temperatures, with a minimum of 26°C (79°F) and an average of 28°C (83°F), peaking at 30°C (86°F). This month usually experiences significant rainfall, resulting in about 100 mm (3.9 in) of precipitation over 14 days, along with a relatively high humidity level of 76%.

In contrast, November sees slightly cooler conditions, with minimum temperatures of 23°C (73°F) and an average of 26°C (79°F), while the maximum is around 29°C (84°F). The month tends to be wetter, with 118 mm (4.7 in) of precipitation spread over 16 days and a slightly higher humidity of 78%. For more detailed insights, check out Isla Mujeres weather in November.

In comparing the weather of August and December, August typically offers warmer temperatures with a minimum of 26°C (79°F) and an average of 28°C (83°F), peaking at a maximum of 30°C (86°F). In contrast, December features slightly cooler temperatures, with a minimum of 21°C (71°F), an average of 25°C (78°F), and a maximum of 28°C (83°F). While August experiences higher precipitation at 100 mm (3.9 in) over 14 days, December has 73 mm (2.9 in) over 13 days, resulting in less rainfall during the latter month. Humidity levels are relatively higher in December at 80%, compared to 76% in August. For more details on December weather patterns, you can visit Isla Mujeres weather in December.

Compare Isla Mujeres's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Isla Mujeres

August in Isla Mujeres brings a warm, tropical atmosphere characterized by high humidity and increased rainfall compared to other months. With temperatures averaging around 28°C, you can expect plenty of sunshine interspersed with occasional afternoon showers. This month stands out for its 15 days of precipitation, resulting in lush landscapes that enhance the island's natural beauty. While it may be a bit wetter, the warmth and vibrant surroundings make August an appealing time for visitors. For a deeper dive into the yearly weather patterns, check out Isla Mujeres Climate.