July Weather in Hermosillo, Mexico

Last updated: April 22, 2025

In Hermosillo, Mexico, July brings intense heat with maximum temperatures soaring to 48°C (119°F) and an average of 35°C (96°F). While evenings may cool down to a minimum of 22°C (72°F), the sweltering days can feel quite oppressive. Despite the high temperatures, the month sees only 10 mm (0.4 in) of rainfall over 2 days, resulting in a humidity level of 46%. This combination of warm weather and minimal precipitation creates a quintessentially dry desert climate, making July a time for sun-seekers and outdoor enthusiasts in this vibrant city.

July Temperature in Hermosillo

In Hermosillo, Mexico, July marks a peak in summer temperatures, with minimums averaging 22°C (72°F) and day-time highs soaring to an impressive 48°C (119°F). As the month unfolds, these soaring temperatures contribute to an average of 35°C (96°F), establishing July as one of the hottest months of the year. This stark increase from earlier months illustrates a clear trend of intensifying heat as summer progresses, making hydration essential for outdoor activities. Visitors and locals alike embrace the warmth, enjoying the vibrant energy of the city, but always mindful of the midday sun.

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

The chart illustrates July 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.

July Precipitation in Hermosillo

July in Hermosillo, Mexico, marks a subtle return of precipitation after the dry spell of June, with 10 mm (0.4 in) of rain falling over 2 days. This uptick in moisture signifies the onset of the rainy season, providing a refreshing contrast to the preceding months which saw almost no rainfall. While July's rainfall is modest compared to the heavier downpours expected in September, it sets the stage for a gradual increase in precipitation, hinting at the region's climatic shift. As summer progresses, Hermosillo typically experiences a blend of warm days and sporadic showers, illustrating the dance between heat and hydration in this desert landscape.

July Precipitation Trends in Hermosillo

The chart displays monthly precipitation patterns in Hermosillo, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec8141732010918768
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Hermosillo

July in Hermosillo, Mexico, marks the continuation of a notable trend in decreasing humidity as the year progresses. After peaking in the early months—with January at 72% and February at 77%—humidity levels have consistently dropped, reaching 46% in July. This figure aligns with the remarkably low humidity of 46% recorded in June, emphasizing a shift towards drier summer conditions. Following July, the humidity will further dip to 42% in August, suggesting a shift towards a more arid atmosphere. As the monsoon season approaches, a gradual rise occurs in the subsequent months, but July remains one of the driest periods of the year, perfect for outdoor activities under the sun's warm embrace.

July Average Humidity in Hermosillo

This chart illustrates the average monthly humidity levels in Hermosillo, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Hermosillo

In Hermosillo during July, residents and visitors experience a UV Index of 12, marking it as an extremely high exposure month with a mere 10-minute burn time. This trend of escalating UV levels peaks in the summer months, with May, June, and July consistently showcasing indices of 11 or higher, indicating a period when sun protection is crucial. As the year progresses from cooler months with moderate and high exposure categories, the summer months shift dramatically towards the extreme zone, emphasizing the need for vigilance. For more detailed information on the UV Index throughout the year, check out Hermosillo UV Index.

Maximum UV Index Levels in Hermosillo for July

The chart shows the monthly maximum UV Index (UVI) for Hermosillo in July, 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 July 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.

July Sunshine in Hermosillo

July in Hermosillo, Mexico, embraces the summer sun with an impressive 375 hours of bright, shining light, making it one of the sunniest months of the year. Following the peak of June with 377 hours, July maintains a close competition, showcasing the region's dazzling climate. This month stands out as part of a broader trend where the sun rises high, particularly from March through August, where daylight hours consistently exceed 300 hours. As summer progresses, residents and visitors alike can bask in the prolonged daylight, perfect for exploring the vibrant culture and stunning landscapes of Hermosillo. The gradual dip in sunlight as autumn approaches indicates a shift ahead, but July remains a glorious testament to the sun’s enduring presence in this desert oasis.

Monthly Sunshine Duration in Hermosillo: July Highlighted

The July sunshine duration represents the total number of hours Hermosillo experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec204h251h309h331h373h377h375h358h322h304h264h247h
Data source: Hermosillo July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hermosillo During July

In Hermosillo, Mexico, the month of July brings a notable shift in weather patterns, with the likelihood of sunny days dropping to 53%. This is in contrast to the preceding months, where sunshine predominates; May boasts a striking 92% chance of clear skies, and even June maintains a robust 77%. As summer peaks, the city's typically bright condition becomes less certain, marking a transition towards the monsoon season. Following July, August rebounds with a more favorable 83% chance of sunshine, suggesting that while July may bring some cloudy days, the sun is poised to return shortly thereafter.

Percentage of Sunny Days in July in Hermosillo

The chart illustrates the percentage of sunny days in Hermosillo throughout the year, with July 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 July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hermosillo in July

In Hermosillo, Mexico, July brings a peak in daylight duration, with the sun gracing the skies for a generous 14 hours. This month, along with June, represents the apex of sunlight, reflecting the region's transition into the height of summer. As daylight gradually increases from 10 hours in January to July's zenith, it provides ample time for outdoor activities and celebrations. Following July, daylight begins to wane slightly, dropping to 13 hours in August and further decreasing as the year progresses. This rhythmic ebb and flow of sunlight not only marks the changing seasons but also invites residents and visitors to bask in the warmth and vibrancy of Hermosillo’s long summer days.

Average Daylight Hours in Hermosillo for July

The chart illustrates the variation in daylight duration in Hermosillo throughout the year, with July 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.

July Winds in Hermosillo

In July, Hermosillo, Mexico, experiences a noticeable uptick in wind activity, with an average wind speed of 3.2 m/s (7 mph), making it one of the breeziest months of the year. This increase reflects a mid-summer shift from a generally calm spring and early summer, where wind speeds hover around 2.7 to 2.9 m/s. Following a slight dip in August back to 2.8 m/s, July stands out as a peak, suggesting that the region enjoys a refreshing breeze just when the heat is at its height. Interestingly, as the seasons transition into the cooler months, wind speeds tend to decrease again, highlighting July as a moment of invigorating contrast amidst the desert's warmth.

Average July Wind Speed in Hermosillo

The chart displays monthly wind speed patterns in Hermosillo, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.12.92.92.72.83.2 m/s2.82.32.62.42.4
Data source: Hermosillo July wind data, generated using information from the Copernicus Climate Change Service.

How July 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 July'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.

In July, the weather in Hermosillo is marked by scorching temperatures, with averages soaring to a sweltering 35°C (96°F), and maximums reaching as high as 48°C (119°F). The month experiences minimal rainfall, with only 10 mm (0.4 in) over just two days, and a moderate humidity level of 46%. In contrast, January brings a much cooler climate, where temperatures range from a chilly 2°C (35°F) at night to a comfortable average of 15°C (59°F) during the day, peaking at 30°C (86°F). Precipitation is slightly lower at 8 mm (0.3 in) but occurs over just one day, accompanied by higher humidity levels at 72%. For more detailed weather information, check Hermosillo weather in January.

July and February present starkly contrasting weather conditions. In July, temperatures soar, with average highs around 35°C (96°F) and a sweltering maximum reaching up to 48°C (119°F). The month is relatively dry, receiving only 10 mm (0.4 in) of precipitation over two days, coupled with moderate humidity at 46%. In contrast, February brings much cooler weather, with a milder average temperature of 16°C (62°F) and highs peaking at 31°C (89°F). This month experiences slightly more rain, totaling 14 mm (0.6 in) across two days, and significantly higher humidity levels at 77%. For a detailed look at February's weather specifics, check out Hermosillo weather in February.

In comparing the weather between July and March, it's evident that July is significantly warmer, with average temperatures soaring around 35°C (96°F) and maximum extremes reaching up to 48°C (119°F). In contrast, March offers a milder experience with an average temperature of 20°C (68°F) and a maximum of 37°C (98°F). Precipitation is lighter in July at just 10 mm (0.4 in) over two days, whereas March sees a bit more rain at 17 mm (0.7 in) but only on one day, reflecting its higher humidity level of 67% compared to July's 46%. For a more detailed look at the weather during this month, you can visit Hermosillo weather in March.

In comparing the weather patterns of July and April, July is characterized by significantly hotter temperatures, with averages reaching 35°C (96°F) and maximums soaring up to 48°C (119°F), whereas April enjoys milder temperatures, with average highs at 25°C (77°F) and maximums around 43°C (109°F). Humidity levels are lower in July at 46%, while April experiences a higher humidity rate of 56%. Additionally, July sees a minimal amount of precipitation at 10 mm (0.4 in) over just 2 days, in contrast to April, which records no precipitation at all. For a more detailed look at April's weather, you can visit Hermosillo weather in April.

July in Hermosillo experiences significantly hotter temperatures compared to May, with an average temperature soaring to 35°C (96°F) and highs reaching up to 48°C (119°F). In contrast, May sees a milder average of 28°C (82°F) and maximum temps around 43°C (110°F). While both months share a similar humidity level of 46%, July is characterized by sporadic rainfall, with 10 mm (0.4 in) of precipitation over 2 days, unlike May, which boasts dry weather with no recorded precipitation. For more insights into May's climate, you can visit Hermosillo weather in May.

In comparing the weather between June and July, July typically experiences higher average temperatures, with an average of 35°C (96°F) and a maximum reaching 48°C (119°F), compared to June's average of 32°C (90°F) and maximum of 49°C (120°F). While July sees a slight increase in humidity at 46%, June maintains a marginally higher humidity level at 48%. Interestingly, July also records minimal precipitation of 10 mm over two days, whereas June remains completely dry with no precipitation whatsoever. For more detailed insights, you can check Hermosillo weather in June.

In comparing the weather of July and August, both months exhibit similar high temperatures, with July averaging 35°C (96°F) and August slightly warmer at 36°C (97°F). July's minimum temperature is 22°C (72°F), while August experiences a slightly higher minimum of 24°C (76°F). Precipitation remains minimal in both months, with July receiving 10 mm (0.4 in) over 2 days and August slightly less at 9 mm (0.3 in) over 3 days. Humidity is also relatively low, with July at 46% and August slightly lower at 42%. For a more detailed look at August's conditions, you can visit Hermosillo weather in August.

In July, the weather is characterized by scorching temperatures, with an average high of 35°C (96°F) and a minimum of 22°C (72°F), while humidity rests at a moderate 46%. Rainfall is minimal, with just 10 mm (0.4 in) over 2 days. In contrast, September sees slightly cooler temperatures, with an average of 32°C (90°F) and a minimum of 16°C (61°F). Though the maximum temperature can still reach 48°C (120°F), the humidity increases to 52%, and precipitation rises to 18 mm (0.7 in) over 3 days. For a detailed look at the weather patterns, check out Hermosillo weather in September.

July and October present a stark contrast in weather conditions. In July, temperatures soar with a minimum of 22°C (72°F) and an average high of 35°C (96°F), occasionally peaking at a sweltering 48°C (119°F). The month sees minimal rainfall, with only 10 mm (0.4 in) over just 2 days, and humidity levels at a moderate 46%. In comparison, October brings a significant drop in temperatures, featuring a minimum of 8°C (47°F) and an average of 25°C (78°F), with maximums around 43°C (110°F). This month experiences slightly less precipitation than July, measuring 6 mm (0.3 in) over just 1 day, but the humidity rises to 58%, making it feel a bit more muggy. For detailed insights into October weather, visit Hermosillo weather in October.

July and November present quite contrasting weather conditions. In July, temperatures soar with a minimum of 22°C (72°F), averaging a scorching 35°C (96°F), and can even reach a sweltering maximum of 48°C (119°F). The month is characterized by low precipitation at just 10 mm (0.4 in) over two days and a relatively low humidity of 46%. In stark contrast, November brings much cooler temperatures, with a minimum of 7°C (45°F) and an average of 20°C (68°F), peaking at 36°C (97°F). Precipitation is even lower at 6 mm (0.2 in), but notably, there are no rainy days, and humidity rises to 66%. For more details, you can check Hermosillo weather in November.

The weather in July and December presents a stark contrast. In July, temperatures soar, with averages reaching a scorching 35°C (96°F) and maximums peaking at a blistering 48°C (119°F). The low humidity of 46% and minimal precipitation, averaging just 10 mm (0.4 in) over 2 days, contribute to the sweltering heat typical of summer. In comparison, December offers a much cooler climate, with temperatures ranging from a low of 3°C (38°F) to a comfortable average of 14°C (58°F) and a maximum of 28°C (84°F). The humidity increases significantly to 74%, and precipitation is slightly lower, averaging 8 mm (0.3 in) over just 1 day. For more information, you can visit Hermosillo weather in December.

Compare Hermosillo's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Hermosillo

As July rolls into Hermosillo, the weather transforms into a sultry embrace, setting it apart from the milder months before. With maximum temperatures soaring to a blistering 48°C and an average of 35°C, residents and visitors alike must be prepared for the intense heat. While rainfall is scarce, with just a couple of days recording a mere 10 mm of precipitation, the humidity sits at a moderate 46%, making the heat feel even more pronounced. This stark contrast to the cooler and more temperate months creates an unmistakable summer vibe in Hermosillo, begging for leisurely afternoons by the pool or shade, and endless explorations of the region’s rich culture. For those interested in a deeper dive into the climate of this captivating area, check out Hermosillo Climate.