August Weather in San Miguel de Allende, Mexico

Last updated: April 22, 2025

August in San Miguel de Allende, Mexico brings a delightful mix of warmth and humidity, with maximum temperatures reaching 32°C (90°F) and an average of 20°C (69°F), while the evenings cool down to a refreshing minimum of 12°C (53°F). This month typically sees 94 mm (3.7 in) of rainfall spread across 13 days, contributing to a humidity level of 68% that enhances the lush beauty of the landscape. Whether you're exploring the charming streets or soaking in the vibrant culture, August's weather sets the perfect backdrop for a memorable experience in this picturesque city.

August Temperature in San Miguel de Allende

In San Miguel de Allende, August marks the transition into the late summer months, with temperatures reflecting a warm and comfortable atmosphere. The minimum temperature hovers around 12°C (53°F), while the average temperature rests at a pleasant 20°C (69°F), and daytime highs can reach up to 32°C (90°F). This month stands out as slightly cooler compared to the preceding months of May and June, which typically experience peak summer heat. As the days gradually shorten, the climate remains inviting, making it an ideal time for outdoor explorations or leisurely strolls through the vibrant streets of this charming city. With these mild conditions, August is perfect for both relaxation and adventure, striking a satisfying balance that enhances the cultural experience of San Miguel de Allende.

August Weather in San Miguel de Allende: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in San Miguel de Allende, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec586266707370686967656158
Data source: Temperature data for San Miguel de Allende 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 San Miguel de Allende

August in San Miguel de Allende experiences a notable shift in precipitation, as the city receives 94 mm (3.7 in) of rain over 13 days, marking a continuation of the rainy season established in June and July. This month typically sees a gradual decrease from the peak rainfall observed in June (145 mm) and July (117 mm), yet still provides a significant amount of moisture compared to the drier months early in the year. As the summer rains persist, they contribute to the vibrant green landscapes of the region, making August a beautiful time to witness the lush transformation of the local flora. With September following closely behind with an increase to 131 mm (5.2 in), it’s clear that late summer continues to exhibit dynamic weather patterns, keeping the region alive and flourishing.

August Precipitation Trends in San Miguel de Allende

The chart displays monthly precipitation patterns in San Miguel de Allende, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3697381451179413150185
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Miguel de Allende

August in San Miguel de Allende sees a humidity level of 68%, which is a slight decrease from the wetter months preceding it. This summer month marks a transition as the city prepares for the impending rains of September, where humidity spikes to 81%. Notably, the humidity in August is relatively balanced, following the high of 76% in June and culminating in a gradual rise towards the autumn months. Overall, August stands out as a comfortable yet humid period, reflective of the city's overall trend of increasing moisture in the latter half of the year, culminating in the highest readings observed from October through November.

August Average Humidity in San Miguel de Allende

This chart illustrates the average monthly humidity levels in San Miguel de Allende, 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.
JanFebMarAprMayJunJulAugSepOctNovDec74%65%58%58%67%76%67%68%81%83%84%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Miguel de Allende

In August, San Miguel de Allende continues to experience extreme UV Index levels, maintaining a value of 14. This trend, consistent since April, calls for heightened awareness and protection against sun exposure, as the burn time remains a quick 10 minutes. The region's UV index peaked earlier in the year, reaching 15 in both April and May, but has since stabilized, mirroring the conditions seen in July and the following months. As summer transitions to fall, residents and visitors alike should remain vigilant to avoid harmful effects from the sun. For more detailed information and to plan your outdoor activities wisely, check the San Miguel de Allende UV Index.

Maximum UV Index Levels in San Miguel de Allende for August

The chart shows the monthly maximum UV Index (UVI) for San Miguel de Allende 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.
JanFebMarAprMayJunJulAugSepOctNovDec911141515141414141298
Data source: San Miguel de Allende 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 San Miguel de Allende

August in San Miguel de Allende is a delightful continuation of the summer's sunny embrace, boasting 325 hours of glorious sunshine. This month's sunlight remains robust, following a peak in May with 341 hours, and continuing the trend of bright days that characterizes the mid-year months. As we transition from the height of summer into the fall, August holds steady, outshining the upcoming months, including September with its 291 hours, and October, which dips further to 288 hours. The steady flow of sunlight during the summer months makes San Miguel de Allende a perfect destination for those seeking warmth and vibrant colors, setting the stage for breathtaking sunsets as summer edges toward autumn.

Monthly Sunshine Duration in San Miguel de Allende: August Highlighted

The August sunshine duration represents the total number of hours San Miguel de Allende 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.
JanFebMarAprMayJunJulAugSepOctNovDec232h268h317h322h341h321h331h325h291h288h279h286h
Data source: San Miguel de Allende August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Miguel de Allende During August

August in San Miguel de Allende sees a significant dip in sunny weather, with only a 40% chance of sun. This downturn follows the trend set in June and July, where the likelihood of clear skies plummets to 20% and 26% respectively. As summer transitions into the wetter months, the region experiences increased cloud cover and occasional rain. In contrast, months leading up to August, like February and March, boast considerably higher probabilities, illustrating how dramatically the weather shifts in mid-year. As the city’s lush landscape thrives in the rainy season, visitors can still enjoy the vibrant beauty of San Miguel while preparing for more unpredictable weather in August.

Percentage of Sunny Days in August in San Miguel de Allende

The chart illustrates the percentage of sunny days in San Miguel de Allende 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 San Miguel de Allende experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%87%78%68%60%20%26%40%21%41%60%70%
Data source: San Miguel de Allende August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Miguel de Allende in August

In San Miguel de Allende, August marks a transitional period in daylight duration, with the city basking in 12 hours of sunlight each day. As the summer months progress from June to July, the daylight reaches its peak at 13 hours, creating a vibrant and lively atmosphere. However, in August, the daylight begins to wane slightly, signaling the approach of fall. This trend continues into September and October, where daylight diminishes to 11 hours and then 10 hours by December. Overall, the progression of daylight throughout the year reflects a gentle ebb and flow, inviting residents and visitors alike to engage with the lush surroundings under the warm Mexican sun.

Average Daylight Hours in San Miguel de Allende for August

The chart illustrates the variation in daylight duration in San Miguel de Allende throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h11h 27m12h 2m12h 38m13h 8m13h 22m13h 14m12h 48m12h 13m11h 37m11h 7m10h 52m
Data source: San Miguel de Allende daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in San Miguel de Allende

In August, San Miguel de Allende experiences a gentle uptick in average wind speed, measuring at 2.6 m/s (6 mph), consistent with the breezy conditions typically enjoyed during late summer. This slight rise follows a gradual decline from the peak winds seen earlier in the year, with the summer months generally maintaining a cozy atmosphere. The winds soften as the year progresses, with September marking the lowest average at 1.9 m/s (4 mph). Overall, August captures the essence of the transition from the warmth of summer into the cooler months, where the breeze adds a refreshing touch to the vibrant charm of this picturesque town.

Average August Wind Speed in San Miguel de Allende

The chart displays monthly wind speed patterns in San Miguel de Allende, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.92.62.92.52.42.12.6 m/s1.92.12.32.0
Data source: San Miguel de Allende August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in San Miguel de Allende Compares to Other Months

The weather in San Miguel de Allende 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 San Miguel de Allende and find detailed weather information for every month.

August and January present a stark contrast in weather conditions. In August, temperatures range from a minimum of 12°C (53°F) to a maximum of 32°C (90°F), with an average of 20°C (69°F). This month also experiences significant precipitation, averaging 94 mm (3.7 in) over approximately 13 days, resulting in a humidity level of 68%. In contrast, January offers much cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 28°C (83°F), averaging 14°C (58°F). Notably, January is quite dry, with only 3 mm (0.1 in) of precipitation over the entire month and no rainy days, leading to a higher humidity of 74%. For a deeper dive into January's weather specifics, you can check San Miguel de Allende weather in January.

August and February present contrasting weather conditions. August typically experiences warmer temperatures, with an average of 20°C (69°F) and maximums reaching up to 32°C (90°F), while February has a cooler average of 17°C (62°F) and similar maximums. Precipitation also differs significantly; August sees around 94 mm (3.7 in) spread over 13 days, making it a much wetter month compared to February, which only receives about 6 mm (0.2 in) of rain across just 1 day. Furthermore, humidity levels in August average at 68%, marginally higher than February’s average of 65%. For more detailed insights, you can check the San Miguel de Allende weather in February.

August and March present notably different weather patterns. In August, temperatures range from a minimum of 12°C (53°F) to a maximum of 32°C (90°F), with an average of 20°C (69°F). This month is characterized by higher humidity at 68% and significant rainfall totaling 94 mm (3.7 in) over 13 days. In contrast, March features milder temperatures, with a minimum of 2°C (35°F) and a maximum of 34°C (93°F), averaging 19°C (67°F). This month experiences much lower precipitation at just 9 mm (0.3 in) over only 2 days and a humidity level of 58%. For a more detailed look at the climate, visit San Miguel de Allende weather in March.

The weather in August is characterized by a wider temperature range, with minimums around 12°C (53°F) and maximums reaching up to 32°C (90°F), while the average temperature hovers at 20°C (69°F). In contrast, April experiences a warmer minimum of 6°C (44°F) but can soar to a high of 35°C (95°F), resulting in a similar average temperature of 21°C (71°F). Additionally, August sees considerably more precipitation, totaling 94 mm (3.7 in) over 13 days, compared to the much drier April, which only receives 7 mm (0.3 in) over 2 days. The humidity is also higher in August at 68%, while April maintains a lower humidity level of 58%. For more details on the climate, you can visit San Miguel de Allende weather in April.

When comparing the weather in August and May, one can notice distinct differences in temperature and precipitation patterns. August experiences a broader temperature range with minimums of 12°C (53°F) and maximums peaking at 32°C (90°F), resulting in an average of 20°C (69°F). In contrast, May typically sees warmer conditions, with minimum temperatures of 9°C (49°F) and maximums soaring to 36°C (97°F), leading to a higher average of 23°C (73°F). Precipitation also varies significantly; August records 94 mm (3.7 in) over 13 days, while May only sees 38 mm (1.5 in) over 6 days, indicating a wetter and more humid August at 68% compared to May’s 67% humidity. For a detailed overview of May's climate, you can visit San Miguel de Allende weather in May.

When comparing the weather in August and June, we notice several key differences. August tends to have a milder temperature range, with a minimum of 12°C (53°F) and a maximum of 32°C (90°F), while June features slightly lower minimums at 9°C (49°F) but can reach a higher maximum of 35°C (96°F). Precipitation is heavier in June, with 145 mm (5.7 in) falling over 14 days, compared to August's 94 mm (3.7 in) over 13 days. Additionally, humidity levels are higher in June at 76%, compared to 68% in August. For more detailed insights, you can check San Miguel de Allende weather in June.

In comparing the weather between July and August, July typically experiences slightly cooler temperatures, with minimums of 11°C (52°F) and maximums of 33°C (91°F), while August sees a minimum of 12°C (53°F) and a maximum of 32°C (90°F). Both months have an average temperature around 20°C (68°F-69°F). Precipitation is heavier in July with 117 mm (4.6 in) over 17 days, compared to August's 94 mm (3.7 in) over 13 days, resulting in a wetter July. Humidity levels remain relatively consistent, with July at 67% and August slightly higher at 68%. For a detailed look at July's conditions, visit San Miguel de Allende weather in July.

In August, the weather is characterized by warmer temperatures, with a minimum of 12°C (53°F) and an average of 20°C (69°F), reaching a maximum of 32°C (90°F). The month sees 94 mm (3.7 in) of precipitation over 13 days, accompanied by a humidity level of 68%. In contrast, September brings cooler temperatures, with a minimum of 8°C (47°F) and an average of 19°C (67°F), peaking at 31°C (88°F). This month experiences higher precipitation at 131 mm (5.2 in) across 15 days, along with increased humidity at 81%. For more detailed information, check San Miguel de Allende weather in September.

In August, the weather is generally warm, with average temperatures around 20°C (69°F) and maximum highs reaching 32°C (90°F). This month also experiences higher humidity levels at 68%, contributing to a tropical feel, and an average of 94 mm (3.7 in) of precipitation over 13 days. In contrast, October temperatures drop slightly, with an average of 18°C (65°F) and maximums reaching 31°C (87°F). Although October is cooler, it has a higher humidity level at 83%, and experiences less precipitation, totaling 50 mm (2.0 in) over just 8 days. For more detailed insights, you can check San Miguel de Allende weather in October.

August and November present quite different weather patterns. In August, temperatures range from a minimum of 12°C (53°F) to a maximum of 32°C (90°F), with an average of 20°C (69°F). This month typically experiences higher humidity at 68% and more precipitation, totaling 94 mm (3.7 in) over 13 days. In contrast, November features cooler temperatures, with a minimum of 0°C (32°F), an average of 16°C (61°F), and a maximum reaching 30°C (87°F). Notably, November sees significantly less rainfall, only 18 mm (0.7 in) over 2 days, alongside increased humidity at 84%. For more detailed insights, check out San Miguel de Allende weather in November.

August and December present contrasting weather patterns. In August, temperatures range from a minimum of 12°C (53°F) to a maximum of 32°C (90°F), with an average of 20°C (69°F). The month is relatively humid at 68%, and there are 13 days of precipitation totaling 94 mm (3.7 in). In contrast, December experiences much cooler temperatures with a range from -2°C (29°F) to 28°C (83°F), averaging 14°C (58°F). With almost no precipitation at just 5 mm (0.2 in) and no rainy days, December’s humidity rises to 81%. For more detailed insights into December’s weather, check out San Miguel de Allende weather in December.

Compare San Miguel de Allende's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in San Miguel de Allende

August in San Miguel de Allende brings a vibrant blend of warm temperatures and increased humidity, setting it apart from other months. While daytime highs can reach up to a toasty 32°C (90°F), the evenings cool to a pleasant average of 20°C (69°F), inviting you to enjoy the outdoors. This month also sees a notable uptick in rainfall, with approximately 13 days of precipitation contributing to a lush and lively landscape. The humidity, hovering around 68%, adds to the tropical feel, making August a unique and refreshing time to experience this charming city. For more insights on the overall climate, check out San Miguel de Allende Climate.