August Weather in Guanajuato, Mexico

Last updated: April 22, 2025

In August, Guanajuato, Mexico experiences warm to hot weather, with maximum temperatures soaring up to 48°C (118°F) and an average of 36°C (97°F), while nighttime lows can dip to a comfortable 24°C (76°F). Despite the heat, the month sees minimal precipitation, averaging just 12 mm (0.5 in) over the course of 4 days, resulting in a humidity level of 42%. This combination of high temperatures and low humidity can create a dry and intense atmosphere, making it essential for visitors to stay hydrated while exploring the vibrant culture and stunning landscapes of this historical city.

August Temperature in Guanajuato

In August, Guanajuato experiences some of its warmest temperatures of the year, with minimums averaging around 24°C (76°F) and averages climbing to a steamy 36°C (97°F). This month stands out as a continuation of the hot summer trend, with maximum temperatures peaking at 48°C (118°F), just shy of the extreme highs seen in July. Interestingly, after the sweltering heat of August, the month of September brings a noticeable dip, with temperatures falling back to a more moderate climate, highlighting a significant transition as the region prepares for the cooler fall months. Overall, August showcases the relentless summer heat, inviting visitors to enjoy the vibrant life of Guanajuato while staying cool and hydrated.

August Weather in Guanajuato: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Guanajuato, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec596268778291969790786858
Data source: Temperature data for Guanajuato 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 Guanajuato

In August, Guanajuato experiences a notable increase in precipitation, with 12 mm (0.5 in) of rainfall spread over four days. This marks a continuation of the wet season that began in July, which saw 14 mm of rain. While July generally brings the heaviest downpour of the year, August maintains a steady flow of moisture before the skies begin to clear in September. The early autumn months typically transition to drier conditions, but August’s rainfall plays a crucial role in replenishing the region, supporting both its vibrant flora and agricultural practices. Overall, this month exemplifies the region's seasonal variability, bridging the gap between the peak rain of summer and the drier months that follow.

August Precipitation Trends in Guanajuato

The chart displays monthly precipitation patterns in Guanajuato, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91311331141213547
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Guanajuato

In August, Guanajuato experiences some of its lowest humidity levels of the year, averaging just 42%. This marks a notable decline from the wetter months of January and February, where humidity peaks at 72% and 77%, respectively. Following this dry spell, the humidity gradually begins to rise again in September, reaching 52%, signaling the transition to more humid conditions as the year progresses. The overall trend reveals a significant decrease in humidity from the lushness of early spring through the hot summer months, providing a welcoming dry reprieve before the humidity climbs once more into the fall season.

August Average Humidity in Guanajuato

This chart illustrates the average monthly humidity levels in Guanajuato, 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.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Guanajuato

In August, Guanajuato, Mexico, experiences an extreme UV Index of 11, similar to the levels seen in May and June. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take sun safety seriously. The trend from earlier in the year shows an upward shift from moderate to very high levels as winter transitions to summer, peaking in July before settling back to 10 in August. As the summer sun continues to shine brightly, ensuring proper protection against harmful UV rays is essential for enjoying the outdoors safely. For more detailed insights on the UV Index throughout the year, visit Guanajuato UV Index.

Maximum UV Index Levels in Guanajuato for August

The chart shows the monthly maximum UV Index (UVI) for Guanajuato 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.
JanFebMarAprMayJunJulAugSepOctNovDec469101111121110854
Data source: Guanajuato 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 Guanajuato

August in Guanajuato, Mexico, embraces abundant sunshine, with an impressive 358 hours of sunlight illuminating the vibrant streets and historic architecture. As summer reaches its peak, the days remain long and warm, following a trend that started in May with 373 hours, and gradually tapering off as autumn approaches. This sun-soaked month is part of a larger sequence, where the sunniest days occur from March to July, showcasing an exhilarating rise in daylight hours. Interestingly, August still benefits from the lingering warmth of summer before the days shorten dramatically in the fall, making it a perfect time to explore the rich culture of this charming city. Soak up the sun while it lasts!

Monthly Sunshine Duration in Guanajuato: August Highlighted

The August sunshine duration represents the total number of hours Guanajuato 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.
JanFebMarAprMayJunJulAugSepOctNovDec204h251h309h331h373h377h375h358h322h304h264h247h
Data source: Guanajuato August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Guanajuato During August

In Guanajuato, Mexico, the likelihood of sunny weather in August stands at an impressive 83%, making it one of the sunniest months of the year. This peak follows a noticeable increase in sunshine from the earlier summer months, where July dips to only 54%. Notably, August's sunny disposition is consistent with September's forecast of 85%, suggesting that the region enjoys a strong transition from the heat of summer into early fall. Overall, the progression of sunny days from January's 71% to August's 83% illustrates a vibrant shift in climate, promising plenty of bright moments for visitors and residents alike.

Percentage of Sunny Days in August in Guanajuato

The chart illustrates the percentage of sunny days in Guanajuato 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 Guanajuato experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec71%73%84%82%93%77%54%83%85%80%75%62%
Data source: Guanajuato August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Guanajuato in August

In Guanajuato, Mexico, August offers a delightful 13 hours of daylight, marking a gentle decline from the peak 14 hours experienced in the summer months of June and July. As the vibrant hues of summer start to fade, August serves as a transition into the shorter days of autumn. The daylight duration begins to decrease steadily, a trend that will continue through September and into the cooler months ahead. This gradual shift highlights the region's dynamic seasonal changes, providing a balance between the long sunny days of summer and the crisp, cozy evenings that await in fall. The consistent increase in daylight from January to June showcases the bright mid-year, making the subsequent adjustments in August and September a natural rhythm in the annual cycle.

Average Daylight Hours in Guanajuato for August

The chart illustrates the variation in daylight duration in Guanajuato throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 16m11h 2m12h12h 59m13h 49m14h 14m14h13h 16m12h 18m11h 19m10h 28m10h 2m
Data source: Guanajuato daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Guanajuato

In Guanajuato, Mexico, August showcases a consistent average wind speed of 2.5 m/s (6 mph), aligning with the gentle breezes of the preceding summer months. This subtle yet refreshing airflow is a hallmark of the region, creating a pleasant atmosphere amid the charming colonial architecture. As the summer gives way to fall, the wind speed does dip slightly compared to the slightly breezier July at 2.9 m/s. However, August's winds remain markedly stable, mirroring trends seen from May through the late summer, where speeds hover around 2.5 to 2.7 m/s. This consistency enhances the allure of August, inviting both locals and visitors to enjoy the scenic beauty and cultural richness of Guanajuato comfortably.

Average August Wind Speed in Guanajuato

The chart displays monthly wind speed patterns in Guanajuato, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.72.72.72.52.52.92.5 m/s2.12.42.22.2
Data source: Guanajuato August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Guanajuato Compares to Other Months

The weather in Guanajuato 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 Guanajuato and find detailed weather information for every month.

August and January present starkly contrasting weather conditions. In August, temperatures soar with a minimum of 24°C (76°F), averaging a scorching 36°C (97°F), and peaking at a sweltering 48°C (118°F). With only 12 mm (0.5 in) of precipitation over four days and humidity at 42%, the month typically feels dry and oppressive. Conversely, January offers a much cooler climate, featuring a minimum temperature of 1°C (35°F), an average of 15°C (60°F), and a maximum of 30°C (86°F). This month experiences minimal rainfall, with just 9 mm (0.3 in) over one day, but higher humidity at 72%, resulting in a crisp and fresh atmosphere. For more insights, check out Guanajuato weather in January.

August and February showcase stark contrasts in weather. In August, temperatures soar with a minimum of 24°C (76°F), peaking at a scorching 48°C (118°F) and averaging around 36°C (97°F), against a backdrop of low humidity at 42%. Precipitation is minimal, with only 12 mm (0.5 in) over four days. In comparison, February experiences much cooler temperatures, ranging from a chilly minimum of 2°C (35°F) to a maximum of 31°C (89°F), with an average of 17°C (62°F). Humidity rises significantly to 77%, and although February also sees 12 mm (0.5 in) of rainfall, it occurs over just two days. For a closer look at February's conditions, visit Guanajuato weather in February.

When comparing the weather of August and March, it's evident that August is considerably hotter, with average temperatures soaring to 36°C (97°F) and highs reaching up to 48°C (118°F). In contrast, March offers a much cooler climate, with average temperatures around 20°C (68°F) and a maximum of 37°C (99°F). Precipitation levels in both months are relatively low, with August receiving 12 mm (0.5 in) over 4 days, while March sees just 11 mm (0.4 in) over only 1 day. Additionally, humidity levels in March are notably higher at 67%, compared to August's 42%, making March feel much more comfortable despite its occasional warmth. For more details on March weather, you can check Guanajuato weather in March.

April and August showcase strikingly different weather patterns. In April, temperatures range from a cool minimum of 9°C (49°F) to a mild maximum of 43°C (110°F), with an average of 25°C (77°F). The month enjoys a relatively dry spell, receiving only 3 mm (0.1 in) of precipitation over no rainy days, coupled with humidity at 56%. In contrast, August brings intense heat, with temperatures ranging from a minimum of 24°C (76°F) to a scorching maximum of 48°C (118°F) and an average of 36°C (97°F). Although it is hotter, August experiences slightly more precipitation at 12 mm (0.5 in) over four days, with a lower humidity level of 42%. For a closer look at April’s climate, you can refer to Guanajuato weather in April.

When comparing the weather in August and May, it's clear that August is significantly hotter, with average temperatures soaring to 36°C (97°F) and a maximum of 48°C (118°F), while May enjoys milder conditions with an average of 28°C (82°F) and a maximum of 44°C (111°F). Precipitation is also more prevalent in August, with 12 mm (0.5 in) of rain over four days, whereas May experiences virtually no rainfall at all, with just 3 mm (0.1 in) and no rainy days. Additionally, humidity levels are slightly lower in August at 42%, compared to 46% in May, contributing to the overall sweltering heat of the former month. For more detailed insights on weather patterns, check out Guanajuato weather in May.

When comparing the weather in August and June, it's clear that August is generally hotter with average temperatures peaking at 36°C (97°F) compared to June's average of 33°C (91°F). Notably, June boasts a higher maximum temperature of 49°C (121°F) compared to August's 48°C (118°F). In terms of rainfall, August sees a modest amount of precipitation at 12 mm (0.5 in) over four days, whereas June has virtually no rainfall with only 1 mm (0.0 in) and no rainy days. Additionally, June tends to be more humid at 48%, compared to August's lower humidity level of 42%. For more detailed insights, check out Guanajuato weather in June.

In comparing the weather of August and July, both months exhibit similar high average temperatures around 36°C (97°F), but August sees a slightly higher minimum temperature of 24°C (76°F) compared to July's 22°C (72°F). Interestingly, the maximum temperatures remain consistent, with both months reaching up to 48°C (118°F) or 119°F. Precipitation in August is lower at 12 mm (0.5 in) over four days, whereas July has a bit more, totaling 14 mm (0.5 in) across three days. Humidity levels are also notable, with August at 42% and July a bit higher at 46%. For further details, you can explore Guanajuato weather in July.

August and September present distinctly different weather patterns. August tends to be hotter, with average temperatures reaching 36°C (97°F) and a maximum of 48°C (118°F), while September experiences slightly cooler temperatures, averaging 32°C (90°F) and peaking at 49°C (121°F). Both months receive similar levels of precipitation—12 mm (0.5 in) in August and 13 mm (0.5 in) in September—but September has fewer rainy days, with just 2 compared to August's 4. Additionally, September's humidity is higher at 52%, compared to August's 42%, giving the start of fall a more balmy feel. For more details, check out the Guanajuato weather in September.

August and October present a stark contrast in weather patterns. August is characterized by scorching temperatures, with averages reaching 36°C (97°F) and maximums soaring to 48°C (118°F), accompanied by low humidity at 42%. However, it experiences some precipitation, averaging 12 mm (0.5 in) over 4 days. In contrast, October brings a notable drop in temperature, with averages around 26°C (79°F) and maximums of 43°C (110°F). The humidity increases to 58%, but October enjoys dry conditions, receiving only 5 mm (0.2 in) of precipitation over the month. For more details, you can check Guanajuato weather in October.

August and November present starkly contrasting weather patterns. In August, temperatures soar with a minimum of 24°C (76°F) and can reach a maximum of 48°C (118°F), coupled with an average of 36°C (97°F). The month sees limited rainfall, accumulating only 12 mm (0.5 in) over four days, and humidity levels are relatively low at 42%. In sharp contrast, November brings cooler conditions with a minimum temperature of 7°C (44°F) and an average of 20°C (68°F), peaking at 35°C (96°F). Rainfall is minimal in November as well, with just 4 mm (0.1 in) recorded over the month and no days of precipitation. Additionally, the humidity rises significantly to 66%, making November feel much more comfortable. For a closer look at weather specifics, you can check Guanajuato weather in November.

In August, the weather is characterized by intense heat, with temperatures soaring from a minimum of 24°C (76°F) to an extreme maximum of 48°C (118°F), while average temperatures hover around 36°C (97°F). The month experiences relatively low precipitation, with only 12 mm (0.5 in) of rain over four days and a humidity level of 42%. In stark contrast, December brings much cooler conditions, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 29°C (84°F) and an average of 14°C (58°F). The precipitation is also low, totaling 7 mm (0.3 in) over just one day, but the humidity rises significantly to 74%. For more details about the December climate, you can check out Guanajuato weather in December.

Compare Guanajuato's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Guanajuato

August in Guanajuato marks a peak in heat, with notably high temperatures that set it apart from other months. While the average temperature reaches a sweltering 36°C (97°F), the occasional maximum of 48°C (118°F) can make for an intense summer experience. Despite this heat, the month also brings a slight increase in precipitation, though it remains relatively low, with just a few rainy days, maintaining a humidity level of around 42%. Overall, August offers a blend of summer warmth and occasional cooling rains, enticing visitors to explore the vibrant culture and rich history of this stunning city. For more insights on what to expect throughout the year, check out Guanajuato Climate.