August Weather in Monterrey, Mexico

Last updated: April 22, 2025

Experience the vibrant August weather in Monterrey, Mexico, where the days are characterized by a maximum temperature of 34°C (93°F) and an average of 25°C (77°F), providing a warm climate perfect for outdoor activities. While the evenings cool down to a comfortable 19°C (67°F), be prepared for frequent rain, as the month sees 266 mm (10.5 in) of precipitation over 26 days, contributing to a lush landscape. The high humidity level of 82% adds a tropical touch to your stay. Whether you're exploring the city’s rich culture or seeking adventure in nature, August in Monterrey promises a unique blend of warmth and refreshment.

August Temperature in Monterrey

In Monterrey, Mexico, August offers a warm embrace as summer lingers, with temperatures peaking at 34°C (93°F) during the day and sustaining an average of 25°C (77°F). The evenings are pleasantly mild, with minimum temperatures around 19°C (67°F), making it an inviting time for outdoor activities. As the month progresses, the sweltering heat gradually begins to give way to a more temperate climate, hinting at the approaching fall. Notably, August maintains a consistent warmth similar to the preceding months of July and June, but with a slight dip in the maximum temperature, reflecting the subtle transition towards autumn that lies ahead.

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

The chart illustrates August temperature patterns in Monterrey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec737577797977787776767473
Data source: Temperature data for Monterrey 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 Monterrey

In August, Monterrey experiences a notable surge in precipitation, with an impressive 266 mm (10.5 in) of rain falling over 26 days. This substantial amount contributes to the city's wettest months, which typically unfold during the summer monsoon season. Following the intensity of June's 281 mm (11.1 in) and July's 178 mm (7.0 in), August showcases a slight decline, yet still maintains a significant level of rainfall. This pattern of increased precipitation is a critical feature of the region's climate as the year progresses, with both August and its preceding months marking a stark contrast to the dry spell seen in the earlier months of the year. The consistent rainfall not only fuels the natural landscape but also plays a vital role in replenishing water resources, making August a key month for both residents and the ecosystem alike.

August Precipitation Trends in Monterrey

The chart displays monthly precipitation patterns in Monterrey, 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.
JanFebMarAprMayJunJulAugSepOctNovDec43636143281178266302231246
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Monterrey

As summer reaches its peak in Monterrey, Mexico, August brings a noticeable uptick in humidity, peaking at 82%. This is part of a clear trend across the months, where humidity has consistently risen from 70% in January to an impressive 82% in August. The gradual increase, particularly sharp from June through July, reflects the city's transition into the rainy season, culminating in the year's highest humidity level. Following the summer months, a slight decline is expected, with September's humidity dropping to 80%, indicating the fleeting nature of this sticky summer climate.

August Average Humidity in Monterrey

This chart illustrates the average monthly humidity levels in Monterrey, 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.
JanFebMarAprMayJunJulAugSepOctNovDec70%68%64%67%74%78%82%82%80%81%80%75%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Monterrey

August in Monterrey, Mexico, maintains its position in the extreme exposure category with a UV Index of 14, indicating a continued high risk for skin damage. This month mirrors the prior summer's trend, consistently showcasing elevated UV levels from June through August, with an impressive peak of 15 in July. As the summer sun persists, it’s crucial to take precautions, as the burn time remains a swift 10 minutes. Following this trend, there's only a slight decrease in September, where the UV Index dips to 13, but vigilance is essential throughout these months. For more detailed information on UV levels year-round, check out the Monterrey UV Index.

Maximum UV Index Levels in Monterrey for August

The chart shows the monthly maximum UV Index (UVI) for Monterrey 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141415141313109
Data source: Monterrey 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 Monterrey

In Monterrey, Mexico, August shines brightly with 300 hours of sunshine, making it a delightful month for those seeking to soak up the sun. This figure is slightly lower than the peak summer months of July, which boasts 317 hours, and follows a trend of plentiful sunshine during the warmer seasons. As the year progresses, temperatures remain warm while the sun graces the city generously, with hours of sunlight peaking in March at 320 hours. From January's 246 hours to November’s 303 hours, it's evident that Monterrey enjoys a considerable amount of sunshine year-round, ensuring residents and visitors alike always have the opportunity to bask in the beauty of the sun.

Monthly Sunshine Duration in Monterrey: August Highlighted

The August sunshine duration represents the total number of hours Monterrey 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.
JanFebMarAprMayJunJulAugSepOctNovDec246h280h320h314h314h269h317h300h285h287h303h308h
Data source: Monterrey August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Monterrey During August

As August rolls around in Monterrey, Mexico, the likelihood of sunny weather dips significantly to just 15%, marking one of the lowest chances of sunshine throughout the year. The month follows a sharp decline from the more promising 20% in July, and previous months like February and March, which boast much higher probabilities of clear skies. This trend underscores the challenging climate conditions Monterrey faces during late summer, where overcast skies and humidity often take precedence over sunny days. Therefore, if you plan to visit in August, it’s wise to prepare for the possibility of rain rather than rely on sunshine.

Percentage of Sunny Days in August in Monterrey

The chart illustrates the percentage of sunny days in Monterrey 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 Monterrey experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%85%77%56%32%12%20%15%17%36%63%81%
Data source: Monterrey August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Monterrey in August

In Monterrey, Mexico, the month of August offers a delightful 12 hours of daylight, showcasing a balance between the longer days of summer and the approaching autumn. As the year progresses, daylight duration gradually increases from 11 hours in January and February to a peak of 13 hours in June, before returning to a consistent 12-hour span from July through September. This trend of stable summertime daylight provides ample opportunity for outdoor activities and exploration, while the gradual decline in hours towards the end of the year signals the onset of seasonal change. As August transitions into September, Monterrey's daylight remains a vibrant constant, inviting residents and visitors alike to bask in the warm sun.

Average Daylight Hours in Monterrey for August

The chart illustrates the variation in daylight duration in Monterrey throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 16m11h 36m12h 2m12h 29m12h 52m13h 3m12h 57m12h 37m12h 11m11h 44m11h 21m11h 10m
Data source: Monterrey daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Monterrey

In Monterrey, Mexico, the month of August experiences a notable dip in wind speed, averaging 1.1 m/s (2 mph), mirroring the lull that characterizes the summer months. This gentle breeze reflects a trend where wind speeds are at their lowest during the height of summer, with July also recording a similar average. As the region transitions into fall, the winds begin to pick up slightly, with September increasing to 1.2 m/s (3 mph), and further rising into November when the average reaches 2.3 m/s (5 mph). This gradual return to brisker winds emphasizes a seasonal shift, heralding the changes of autumn as the landscape prepares for cooler temperatures. The fluctuating wind patterns throughout the year beautifully showcase Monterrey’s dynamic climate.

Average August Wind Speed in Monterrey

The chart displays monthly wind speed patterns in Monterrey, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.22.12.01.41.11.31.1 m/s1.21.42.31.7
Data source: Monterrey August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Monterrey Compares to Other Months

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

In August, Monterrey experiences warmer temperatures with an average of 25°C (77°F), peaking at a max of 34°C (93°F). The month is also characterized by significant rainfall, receiving about 266 mm (10.5 in) across 26 days, combined with high humidity levels at 82%. In contrast, January offers a milder climate, where the average temperature is slightly lower at 23°C (73°F), with minimum temperatures dropping to around 12°C (54°F) and maximums reaching 33°C (93°F). Notably, January is much drier, with only 4 mm (0.2 in) of precipitation and no rainy days reported, resulting in a lower humidity level of 70%. For more details, you can check the weather specifics for January at Monterrey weather in January.

August and February present contrasting climates, each with its own distinct character. In August, temperatures range from a minimum of 19°C (67°F) to a sweltering maximum of 34°C (93°F), accompanied by high humidity levels of 82%. This month is characterized by frequent rainfall, totaling 266 mm (10.5 in) over approximately 26 days, making it a damp and sticky time of year. In contrast, February boasts warmer nights with a minimum temperature of 12°C (54°F) and a maximum reaching 35°C (95°F). However, it is markedly dry, with only 2 mm (0.1 in) of precipitation recorded over the entire month and virtually no rainy days, leading to a lower humidity of 68%. For more detailed insights, you can check Monterrey weather in February.

In comparing the weather of August and March, we observe notable differences. August typically boasts a warmer and more humid climate, with average temperatures around 25°C (77°F) but can soar to a maximum of 34°C (93°F). Additionally, it is much wetter, receiving 266 mm (10.5 in) of rainfall over 26 days, leading to a high humidity level of 82%. In contrast, March offers a milder experience with a minimum temperature of 15°C (60°F) and a maximum of 35°C (96°F), while maintaining the same average temperature of 25°C (77°F). However, it is significantly drier, with only 6 mm (0.2 in) of precipitation over just one day, resulting in a lower humidity of 64%. For more details, you can check Monterrey weather in March.

In comparing the weather of August and April, we see distinct differences in temperature, precipitation, and humidity. August typically experiences warmer conditions, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 34°C (93°F), while April offers slightly cooler temperatures, averaging between 16°C (61°F) and 36°C (97°F). However, April boasts a higher maximum temperature, despite its overall cooler averages. In terms of precipitation, August is significantly wetter, with 266 mm (10.5 in) falling over 26 days, in stark contrast to April’s modest 36 mm (1.4 in) during just 6 days. Humidity levels are also higher in August at 82%, compared to 67% in April. For a detailed look at April's climate, you can explore Monterrey weather in April.

In comparing the weather between August and May, both months experience warm temperatures, but August is characterized by higher humidity and significantly more precipitation. August has an average temperature of 25°C (77°F), with highs reaching 34°C (93°F), while May averages a slightly warmer 26°C (79°F) with maximum temperatures of 35°C (96°F). Notably, August receives 266 mm (10.5 in) of precipitation over 26 days, compared to May's 143 mm (5.6 in) over 25 days, making August much wetter. Additionally, humidity levels soar to 82% in August, compared to a more comfortable 74% in May. For more details on May's weather, you can check Monterrey weather in May.

When comparing the weather in August and June, both months showcase similar temperature ranges, with August peaking slightly higher at a maximum of 34°C (93°F) compared to June's 33°C (92°F). The minimum and average temperatures remain identical at 19°C (67°F) and 25°C (77°F), respectively. However, August experiences more significant precipitation, totaling 266 mm (10.5 in) over 26 days, while June has slightly more rainfall at 281 mm (11.1 in) over 27 days. Additionally, humidity levels are higher in August at 82% compared to June's 78%, contributing to a more muggy atmosphere. For an in-depth look at the weather during June, you can visit Monterrey weather in June.

When comparing the weather in July and August, both months exhibit similar temperature ranges, with average highs reaching 34°C (93°F) and lows around 19-20°C (67-68°F). However, August tends to be slightly wetter, receiving 266 mm (10.5 in) of precipitation over 26 days, compared to July’s 178 mm (7.0 in) over the same number of days. Humidity levels remain fairly consistent, with August at 82% and July at 81%. For a more detailed look at July weather, you can check Monterrey weather in July.

In August, the weather features warm temperatures with a minimum of 19°C (67°F), an average of 25°C (77°F), and a peak at 34°C (93°F). However, this month is characterized by high precipitation levels, totaling 266 mm (10.5 in) over 26 rainy days, along with a humidity level of 82%.

In contrast, September sees slightly cooler maximum temperatures, peaking at 32°C (90°F) while maintaining the same minimum and average temperatures as August. Notably, precipitation increases to 302 mm (11.9 in) across 28 days, and humidity remains relatively high at 80%. For a more detailed overview, visit Monterrey weather in September.

In August, temperatures soar with a minimum of 19°C (67°F) and an average of 25°C (77°F), reaching a maximum of 34°C (93°F). The month is also marked by significant rainfall, totaling 266 mm (10.5 in) over 26 days, and humidity levels remain high at 82%. In contrast, October experiences slightly cooler temperatures, with a minimum of 17°C (63°F) and an average of 24°C (76°F), peaking at 33°C (91°F). Although rainfall decreases to 231 mm (9.1 in) over 23 days, humidity remains relatively similar at 81%. For more detailed information, check out Monterrey weather in October.

August and November present notable contrasts in weather conditions. In August, temperatures range from a mild 19°C (67°F) to a scorching 34°C (93°F), with an average temperature of 25°C (77°F). This month also sees significant rainfall, with 266 mm (10.5 in) of precipitation over 26 days, contributing to high humidity levels at 82%. In contrast, November offers a cooler climate with temperatures varying from a minimum of 14°C (58°F) to a maximum of 33°C (92°F), averaging 24°C (75°F). Rainfall diminishes dramatically, with only 24 mm (0.9 in) over 5 days and humidity slightly lower at 80%. For more insights on November weather, visit Monterrey weather in November.

In August, the weather is characterized by warm temperatures, with an average of 25°C (77°F) and highs reaching 34°C (93°F). This month experiences significant rainfall, with 266 mm (10.5 in) of precipitation spread over 26 days, resulting in high humidity levels at 82%. In contrast, December offers a more moderate climate, with an average temperature of 23°C (73°F) and a maximum of 33°C (92°F). The precipitation drastically decreases to just 6 mm (0.2 in) over only 1 day, and humidity drops to 75%. For more detailed information on the December climate, you can check Monterrey weather in December.

Compare Monterrey's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Monterrey

As August unfolds in Monterrey, it brings a blend of warm temperatures and significant humidity that sets it apart from other months. With maximums reaching around 34°C (93°F) and an average of 25°C (77°F), the weather can feel quite oppressive, especially with humidity levels peaking at 82%. However, August is also marked by frequent precipitation, with rain gracing the city on about 26 days and totaling an impressive 266 mm (10.5 in). This makes it one of the wettest months of the year, creating a stark contrast to the drier seasons ahead. For a more detailed look at Monterrey's climate patterns, visit Monterrey Climate.