August Weather in Hermosillo, Mexico

Last updated: April 22, 2025

In Hermosillo, Mexico, the month of August brings a scorching climate characterized by a maximum temperature soaring up to 47°C (117°F), with an average of 36°C (96°F), and a minimum of 24°C (76°F). This month witnesses a slight respite in the form of meager precipitation, totaling only 9 mm (0.3 in) over 3 days, resulting in a humid atmosphere with relative humidity hovering around 42%. Residents and visitors alike can expect intense summer heat, making hydration and sun protection essential for enjoying all that Hermosillo has to offer.

August Temperature in Hermosillo

In August, Hermosillo, Mexico, experiences its peak summer heat, with temperatures averaging 36°C (96°F). The minimum temperature settles comfortably at 24°C (76°F), while the mercury can soar to a scorching 47°C (117°F) during the day. This month continues the upward trend seen since June, illustrating a hot desert climate that keeps you on your toes and ensures that hydration is key. As summer transitions to autumn, August's sweltering conditions serve as a reminder of the region's intense heat, making it essential to seek shade and plan outdoor activities during the cooler parts of the day.

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

The chart illustrates August temperature patterns in Hermosillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec596168778290969690786858
Data source: Temperature data for Hermosillo 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 Hermosillo

In Hermosillo, Mexico, August brings a modest precipitation level of 9 mm (0.3 in), continuing the trend of light rainfall that characterizes the summer months. With 3 days of rain this August, it marks a slight increase compared to the preceding months, particularly the rainless June and the minimal showers of May. This mid-summer precipitation helps transition into the wetter months ahead, particularly September, which typically sees more substantial rainfall at 18 mm (0.7 in). The overall pattern reveals a dry spell during the early summer, with August serving as a brief respite before the more pronounced rains of early fall, offering a glimpse of the seasonal shift in Hermosillo's arid climate.

August Precipitation Trends in Hermosillo

The chart displays monthly precipitation patterns in Hermosillo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8141732010918768
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Hermosillo

In Hermosillo, Mexico, August marks a notable dip in humidity, with levels dropping to 42%—the lowest point of the year. This decline continues a trend of decreasing humidity that begins in the spring, moving from 56% in April to 46% in July. As summer peaks, the region experiences a more arid atmosphere, providing a brief respite from the heavier moisture of earlier months, including 77% humidity in February and 72% in January. However, the reprieve is short-lived, as humidity starts to climb again in September to 52%, heralding the onset of the fall season. This cyclical pattern underscores the dynamic climate of Hermosillo, where each month offers a unique blend of dryness and moisture, shaping the local weather experience.

August Average Humidity in Hermosillo

This chart illustrates the average monthly humidity levels in Hermosillo, 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 Hermosillo

In August, Hermosillo, Mexico, continues to feel the intensity of summer with an extreme UV Index of 11, allowing for only 10 minutes of safe sun exposure before the risk of burning increases significantly. This month marks a plateau from the peak values observed in July, yet the sun's rays remain potent. The trend in Hermosillo shows a gradual rise in UV exposure as the year progresses, with indices reaching extreme levels from May through August, highlighting the importance of proper sun protection. As we transition into the cooler months, the UV Index will begin to decline, moving back into the very high range by September, making it crucial to stay informed and cautious throughout the summer. For more details on the UV Index in this vibrant city, check out Hermosillo UV Index.

Maximum UV Index Levels in Hermosillo for August

The chart shows the monthly maximum UV Index (UVI) for Hermosillo 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: Hermosillo 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 Hermosillo

August in Hermosillo, Mexico, shines with a remarkable 358 hours of sunlight, continuing the trend of abundant sunlight that peaks during the summer months. Following a gradual ascent from 204 hours in January, the region experiences its sunniest days between April and May, reaching a high of 373 hours in May. Although August reflects a slight dip compared to July's 375 hours, the month still holds onto its summer glow, paving the way for the milder sunlight of fall. As the year progresses, sunlight hours begin their decline, yet August serves as a vibrant bridge between the scorching summer and the cooler autumn, offering a beautiful tapestry of sun-drenched days.

Monthly Sunshine Duration in Hermosillo: August Highlighted

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

Chance of Sun in Hermosillo During August

In Hermosillo, Mexico, the weather in August showcases a promising 83% chance of sun, aligning with the region's trend of warm, sunny days as summer transitions into fall. This is consistent with the previous months of April, May, and June, which all boast high percentages of sunshine, particularly May, standing out with an impressive 92%. Despite a dip in July when sunny days drop to 53%, August rebounds, offering plenty of opportunities to bask in the sun. As summer begins to wane in September, the likelihood of sunny weather remains strong at 84%, indicating that August is indeed a delightful month for sun-seekers in Hermosillo.

Percentage of Sunny Days in August in Hermosillo

The chart illustrates the percentage of sunny days in Hermosillo 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 Hermosillo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec71%73%83%82%93%77%54%84%84%81%74%62%
Data source: Hermosillo August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hermosillo in August

In Hermosillo, Mexico, August sees about 13 hours of daylight, maintaining the high levels of sunlight characteristic of the summer months. This duration reflects a gradual decline from the peak of 14 hours experienced in June and July. As the year progresses, daylight begins to wane, transitioning from the long, bright days of summer towards the more subdued hours of autumn. The trend showcases a consistent progression, with daylight durations reaching their maximum in the early summer before gently tapering off through the subsequent months, offering residents and visitors a rich reprieve of sun-soaked days to enjoy.

Average Daylight Hours in Hermosillo for August

The chart illustrates the variation in daylight duration in Hermosillo 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 1m12h13h13h 50m14h 14m14h 1m13h 16m12h 19m11h 19m10h 27m10h 2m
Data source: Hermosillo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Hermosillo

In August, Hermosillo experiences an average wind speed of 2.8 m/s (6 mph), maintaining a gentle breeze that complements the warm summer months. This slightly higher wind speed, compared to the preceding months of May and June, suggests a subtle uptick in air movement that often brings relief from the heat. While July boasts the highest wind speed of 3.2 m/s (7 mph), the winds in August begin to taper off, setting the stage for the calmer conditions that define the transition into autumn. As we move into September, the wind further diminishes to 2.3 m/s (5 mph), highlighting a consistent trend of decreasing wind speeds as the year progresses. Overall, the month of August offers a pleasant balance of warmth and cooling breezes, creating an inviting atmosphere in Hermosillo.

Average August Wind Speed in Hermosillo

The chart displays monthly wind speed patterns in Hermosillo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.12.92.92.72.83.22.8 m/s2.32.62.42.4
Data source: Hermosillo August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Hermosillo Compares to Other Months

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

August and January in Hermosillo present contrasting weather conditions. In August, temperatures soar with a minimum of 24°C (76°F) and an average high of 36°C (96°F), peaking at a scorching 47°C (117°F). The month sees minimal precipitation, averaging just 9 mm over three days, coupled with a humidity level of 42%. In stark contrast, January offers a much cooler climate, with temperatures ranging from a minimum of 2°C (35°F) to an average of 15°C (59°F), reaching a maximum of 30°C (86°F). Precipitation is slightly lower at 8 mm, falling over just one day, while humidity rises significantly to 72%. For more detailed information, check out Hermosillo weather in January.

August and February present stark contrasts in weather. In August, temperatures soar with a minimum of 24°C (76°F) and an average peak of 36°C (96°F), while reaching maximums of 47°C (117°F). The month is relatively dry, receiving only 9 mm (0.3 in) of precipitation over about 3 days and maintaining a humidity level of 42%. In contrast, February is much cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 31°C (89°F) and an average of 16°C (62°F). This month sees a slightly higher precipitation of 14 mm (0.6 in) over 2 days, accompanied by significantly higher humidity at 77%. For more details, visit Hermosillo weather in February.

When comparing the weather in August and March, it's clear that August is significantly hotter and drier. In August, temperatures range from a minimum of 24°C (76°F) to a scorching maximum of 47°C (117°F), with an average of 36°C (96°F). The month experiences minimal precipitation of only 9 mm (0.3 in) over 3 days, and humidity levels are relatively low at 42%. In contrast, March presents a much cooler climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 37°C (98°F), and an average of 20°C (68°F). Additionally, March sees more precipitation at 17 mm (0.7 in) over just 1 day, accompanied by higher humidity levels of 67%. For more details, you can check out Hermosillo weather in March.

The weather in August is characterized by its intense heat, with average temperatures soaring to 36°C (96°F) and occasional peaks reaching as high as 47°C (117°F), while the humidity stays at a relatively low 42%. In contrast, April experiences much milder conditions, with average temperatures around 25°C (77°F) and maximums hitting 43°C (109°F). Additionally, April boasts lower humidity levels at 56% and enjoys dry weather, having no recorded precipitation days compared to August’s three days of rain, albeit light at 9 mm (0.3 in). For a detailed look at the climate in this month, you can check out Hermosillo weather in April.

When comparing the weather in August and May, it's clear that August is significantly hotter. In August, temperatures range from a minimum of 24°C (76°F) to an average of 36°C (96°F), reaching a scorching maximum of 47°C (117°F). In contrast, May offers much milder conditions with temperatures fluctuating between a minimum of 13°C (55°F) and an average of 28°C (82°F), peaking at 43°C (110°F). Additionally, while August experiences some precipitation, totaling 9 mm (0.3 in) over three days, May enjoys dry weather with only 2 mm (0.1 in) of rain over no days at all. Humidity is also higher in May at 46%, compared to 42% in August. For a closer look at the weather specifics, check out Hermosillo weather in May.

In comparing the weather between August and June, August tends to be hotter, with average temperatures reaching 36°C (96°F) and maximums soaring to 47°C (117°F). In contrast, June's temperatures are slightly cooler, with an average of 32°C (90°F) and a peak of 49°C (120°F). Interestingly, June experiences no precipitation with a humidity level of 48%, while August sees minimal rainfall of 9 mm (0.3 in) and lower humidity at 42%. This highlights a transition from the dry heat of June to a slightly more humid August, even as temperatures peak in both months. For a more detailed look at June weather in Hermosillo, you can refer to Hermosillo weather in June.

The weather in August shows a slight increase in minimum and average temperatures compared to July, with values of 24°C (76°F) and 36°C (96°F) respectively. However, July reaches a slightly higher maximum temperature of 48°C (119°F) versus August's 47°C (117°F). Precipitation is slightly less in August with 9 mm (0.3 in) occurring over 3 days, compared to July's 10 mm (0.4 in) over just 2 days. Additionally, humidity levels are a touch lower in August at 42%, compared to July's 46%. For a more detailed comparison, you can refer to Hermosillo weather in July.

In August, temperatures soar with a minimum of 24°C (76°F) and an average high reaching a sweltering 36°C (96°F), peaking at a scorching 47°C (117°F). The month experiences limited precipitation, totaling just 9 mm (0.3 in) over 3 days, and maintaining a humidity level of 42%. In contrast, September sees a notable drop in minimum temperatures to 16°C (61°F) and an average high of 32°C (90°F), with a maximum of 48°C (120°F). While precipitation increases to 18 mm (0.7 in) over the same 3 days, humidity also rises slightly to 52%. This transition heralds a shift towards more moderate weather patterns, characterized by improved comfort levels compared to the intense heat of August. For more details, check Hermosillo weather in September.

August and October present contrasting weather patterns. In August, temperatures soar with minimums around 24°C (76°F) and maximums reaching a sweltering 47°C (117°F), averaging a scorching 36°C (96°F). The month experiences a low level of precipitation at 9 mm (0.3 in), occurring over 3 days, alongside relatively low humidity at 42%. In comparison, October offers a more temperate climate with a significant drop in minimum temperatures to 8°C (47°F) and an average of 25°C (78°F), peaking at 43°C (110°F). The month sees even lower precipitation, with just 6 mm (0.3 in) over a single day, and humidity increases to 58%. For more details, visit Hermosillo weather in October.

August and November present stark contrasts in weather. In August, temperatures soar, with averages peaking at a sweltering 36°C (96°F) and maximums reaching up to 47°C (117°F), accompanied by relatively low humidity at 42% and minimal precipitation of 9 mm over three days. In contrast, November enjoys much cooler conditions, with temperatures ranging from a minimum of 7°C (45°F) to a comfortable average of 20°C (68°F), and a maximum of 36°C (97°F). The humidity rises significantly to 66%, yet the month is dry, experiencing no days of rainfall and only 6 mm of precipitation overall. For more details, check out Hermosillo weather in November.

August and December present strikingly different weather conditions. In August, temperatures soar, with averages around 36°C (96°F) and occasional peaks hitting 47°C (117°F), alongside low humidity at 42%. The month sees minimal precipitation, averaging just 9 mm (0.3 in) over 3 days. In contrast, December offers a much cooler climate, with temperatures varying from a chilly 3°C (38°F) to a comfortable high of 28°C (84°F). Although December has slightly less precipitation at 8 mm (0.3 in), it experiences higher humidity levels at 74%. For more detailed information, you can check Hermosillo weather in December.

Compare Hermosillo's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Hermosillo

In August, Hermosillo experiences a stifling heat that sets it apart from the rest of the year, with maximum temperatures soaring to unprecedented highs that can exceed 47°C (117°F). Despite a mild average of 36°C (96°F), the evenings can offer a brief respite with temperatures dropping to a minimum of 24°C (76°F). The month also sees minimal rainfall, with only a few days of precipitation, making humidity levels relatively low at 42%. This dry and scorching climate distinctly contrasts with the cooler months, highlighting August as a truly intense summer experience. For a deeper dive into the annual climate patterns, explore Hermosillo Climate.