October Weather in Hermosillo, Mexico

Last updated: April 22, 2025

Experience the vibrant October weather in Hermosillo, Mexico, where temperatures showcase a striking contrast, peaking at a sizzling 43°C (110°F) while settling to a comfortable average of 25°C (78°F). As the month unfolds, residents and visitors can enjoy a refreshing minimum temperature of 8°C (47°F) during cooler evenings. October brings a light touch of precipitation, measuring just 6 mm (0.3 in) over a single day, ensuring the landscape remains vibrant without dampening outdoor plans. With humidity levels hovering around 58%, this month offers a unique blend of warmth and occasional reprieve, making it an ideal time to explore the rich culture and stunning scenery of Hermosillo.

October Temperature in Hermosillo

As October descends upon Hermosillo, Mexico, the city experiences a delightful shift in temperatures that signals the arrival of autumn. With nighttime lows dipping to a comfortable 8°C (47°F) and daytime averages reaching 25°C (78°F), the weather becomes pleasantly mild compared to the scorching summer months. October’s maximums, peaking at 43°C (110°F), still reflect the lingering warmth of the season while offering a reprieve from the extreme heat of the previous months, with temperatures starting to cool from the sweltering highs observed in July and August. Overall, this month represents a sweet balance, making it an ideal time for outdoor activities and exploration in this vibrant city.

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

The chart illustrates October 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.

October Precipitation in Hermosillo

In October, Hermosillo experiences a modest precipitation level of 6 mm (0.3 in), falling on just one day of the month. This slight uptick follows the wetter conditions of September, which recorded 18 mm (0.7 in), showcasing the variability of rainfall as the year progresses. Notably, October's rainfall marks a shift from the drier summer months, reflecting a transition towards the cooler, wetter season that characterizes the region. Comparatively, the total precipitation in October aligns closely with the amounts seen in November and April, illustrating a pattern of light but consistent rainfall as the year approaches its end. Despite the limited precipitation days, each drop is vital in replenishing the arid landscape of Hermosillo.

October Precipitation Trends in Hermosillo

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

As October arrives in Hermosillo, Mexico, a noticeable shift in humidity levels can be observed. With an average humidity of 58%, October marks a slight increase from the drier summer months, where levels dipped to as low as 42% in August. This transitional month bridges the gap between the aridness of late summer and the wetter conditions of the approaching winter, contributing to a more comfortable atmosphere. Interestingly, humidity levels begin to rise steadily from May's low of 46%, peaking during the winter months, which typically hover around 66% to 74%. This gradual trend towards higher humidity in October sets the stage for the forthcoming months, making it a pivotal time for the region's climatic shift.

October Average Humidity in Hermosillo

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

October UV Index in Hermosillo

In October, Hermosillo experiences a UV Index of 8, placing it in the very high exposure category, with a burn time of just 15 minutes. This marks a gradual decline from the peak summer months, which see indices soar to extremes. From May to July, the UV levels reached a staggering 11 to 12, emphasizing the intensity of the sun during those months. As fall arrives, the UV Index drops slightly, yet it remains imperative for residents and visitors alike to stay sun-smart. October's conditions are a reminder of the lasting need for effective sun protection even as temperatures begin to cool. For more detailed information on UV levels throughout the year, visit Hermosillo UV Index.

Maximum UV Index Levels in Hermosillo for October

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

October Sunshine in Hermosillo

October in Hermosillo, Mexico, offers a delightful transition into the cooler months, with 304 hours of glorious sunshine that mark a slight decline from the summer peak. The city experiences its sunniest months from May to July, boasting over 370 hours, creating an inviting atmosphere. As autumn sets in, the sun still shines generously, providing plenty of daylight for outdoor adventures. This trend of abundant sunlight in October continues the city's reputation for a warm, inviting climate, before giving way to the shorter days of November and December. Enjoy the golden hues of October in Hermosillo, where sunshine remains a cherished companion!

Monthly Sunshine Duration in Hermosillo: October Highlighted

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

Chance of Sun in Hermosillo During October

As October unfolds in Hermosillo, Mexico, residents and visitors can generally expect a sunny disposition, with a notable 81% chance of sunshine gracing the skies. This month reflects the tail end of the high sunshine trend seen in the preceding months, where May boasts the highest chance at 92%. Following a summer dip in July, the likelihood of sunny days rebounds, making October a splendid time to enjoy outdoor activities. Notably, the weather begins to cool down slightly, yet with a robust chance of sunshine, October remains an inviting month for those seeking warmth and brightness in their fall adventures.

Percentage of Sunny Days in October in Hermosillo

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

Daylight Hours in Hermosillo in October

In Hermosillo, Mexico, the rhythm of daylight shifts dramatically throughout the year, peaking in the summer months. From January's 10 hours of sunshine, the duration steadily increases, reaching a maximum of 14 hours in June and July. As summer fades, daylight begins its gradual retreat; by October, residents enjoy 11 hours of light, signaling the onset of shorter days leading into winter. This gradual decline mirrors the increase that precedes it, showcasing nature's cyclical patterns and the vibrant contrasts of life in Hermosillo across each season.

Average Daylight Hours in Hermosillo for October

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

October Winds in Hermosillo

In Hermosillo, Mexico, the October winds whisper with a gentle average speed of 2.6 m/s (6 mph), a slight uptick from the calmness of September's breezes. This month marks a transition, as the winds start to pick up from their summer lull, aligning with the city's shift towards cooler temperatures. Notably, October's winds are part of a pattern that sees wind speeds oscillate throughout the year, peaking in July at 3.2 m/s (7 mph) before gradually tapering off in the fall and winter months. As the city prepares for the changing seasons, these moderate winds add a refreshing touch to the autumn air, inviting residents and visitors alike to enjoy the outdoors amidst the evolving landscape.

Average October Wind Speed in Hermosillo

The chart displays monthly wind speed patterns in Hermosillo, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.12.92.92.72.83.22.82.32.6 m/s2.42.4
Data source: Hermosillo October wind data, generated using information from the Copernicus Climate Change Service.

How October 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 October'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.

October and January weather in Hermosillo contrast significantly. In October, temperatures can range from a minimum of 8°C (47°F) to a scorching maximum of 43°C (110°F), with an average temperature of 25°C (78°F) and relatively low humidity at 58%. Precipitation is minimal, with only 6 mm falling over just one day. In comparison, January brings cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 30°C (86°F), averaging at 15°C (59°F). The month is slightly wetter, with 8 mm of precipitation, though it still sees only one rainy day. Additionally, humidity increases to 72%, making January feel quite different from the warm and dry October. For more detailed insights, you can check Hermosillo weather in January.

October and February present stark contrasts in weather patterns. In October, temperatures can range from a mild 8°C (47°F) to a scorching 43°C (110°F), with an average of 25°C (78°F), while February sees much cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 31°C (89°F), averaging 16°C (62°F). Precipitation is light in October at just 6 mm (0.3 in) over about one day, whereas February experiences slightly heavier rainfall at 14 mm (0.6 in) across two days. Additionally, February exhibits higher humidity levels at 77%, compared to October's 58%. For an in-depth look at February's weather specifics in Hermosillo, check out Hermosillo weather in February.

In October, the weather tends to be warm with temperatures ranging from a minimum of 8°C (47°F) to a scorching maximum of 43°C (110°F), bringing an average of 25°C (78°F). While the month sees limited precipitation at just 6 mm (0.3 inches) over a single day, humidity stands at a moderate 58%. In contrast, March offers cooler conditions, with temperatures starting at a minimum of 5°C (41°F) and peaking at 37°C (98°F), leading to a comfortable average of 20°C (68°F). March experiences slightly higher rainfall, totaling 17 mm (0.7 inches) over one day, and a higher humidity level at 67%. For more detailed insights into the weather in March, you can check out Hermosillo weather in March.

In October, temperatures in Hermosillo range from a minimum of 8°C (47°F) to a maximum of 43°C (110°F), with an average temperature of 25°C (78°F). The month sees relatively low precipitation at 6 mm (0.3 in), occurring on just one day, and humidity levels hover around 58%. In contrast, April experiences slightly warmer conditions, with a minimum temperature of 9°C (48°F) and a maximum of 43°C (109°F), but maintains a similar average of 25°C (77°F). Precipitation is even lower in April at just 3 mm (0.1 in) over zero days, resulting in a marginally lower humidity level of 56%. To explore more about the weather specifics in April, check out Hermosillo weather in April.

In October, temperatures in Hermosillo can range significantly, with a minimum of 8°C (47°F) and an average of 25°C (78°F), peaking at a sweltering 43°C (110°F). The month experiences a moderate amount of rainfall, with around 6 mm (0.3 in) over just 1 day, leading to a humidity level of 58%. In contrast, May boasts warmer average temperatures, with a minimum of 13°C (55°F) and an average of 28°C (82°F), while also reaching the same maximum of 43°C (110°F). Notably, May is drier, with just 2 mm (0.1 in) of precipitation through the entire month and no rainy days, resulting in lower humidity at 46%. For more detailed insights about May's weather, check out Hermosillo weather in May.

In comparing the weather of October and June, we see notable differences in temperature and precipitation levels. October experiences milder temperatures with a minimum of 8°C (47°F), an average of 25°C (78°F), and a maximum of 43°C (110°F). It also sees minimal precipitation, registering just 6 mm (0.3 in) over a single day, with humidity levels at 58%. In contrast, June is significantly warmer, with minimum temperatures of 18°C (65°F), an average of 32°C (90°F), and a peak of 49°C (120°F). Remarkably, June is dry, with no recorded precipitation across the month and lower humidity at 48%. For more details, you can visit Hermosillo weather in June.

In October, the weather in Hermosillo starts to cool down, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 43°C (110°F), while the average temperature rests at 25°C (78°F). The month sees only minimal precipitation of 6 mm (0.3 in) over just one day, accompanied by a humidity level of 58%. In contrast, July offers much hotter conditions, with temperatures peaking at 48°C (119°F) and averaging around 35°C (96°F), alongside a higher minimum of 22°C (72°F). July also experiences slightly more precipitation at 10 mm (0.4 in) across two days, but the humidity is lower at 46%. For a detailed look at July's weather, you can visit Hermosillo weather in July.

In comparing the weather of October and August, October presents cooler temperatures with a minimum of 8°C and an average of 25°C, while August experiences significantly warmer conditions, with a minimum of 24°C and an average of 36°C. Both months see similar levels of precipitation, with October receiving 6 mm over one day and August slightly higher at 9 mm over three days. Additionally, October has a higher humidity level of 58% compared to August's 42%, making the air feel more comfortable in October. For more details on August weather, you can check Hermosillo weather in August.

In October, the weather in Hermosillo demonstrates a noticeable shift towards cooler temperatures, with a minimum of 8°C (47°F) and an average of 25°C (78°F), compared to September's warmer minimum of 16°C (61°F) and an average of 32°C (90°F). Additionally, October experiences a significant decrease in precipitation, with only 6 mm (0.3 in) over a single day, compared to September's 18 mm (0.7 in) accumulated over three days. Humidity levels also rise slightly in October to 58%, in contrast to September's humidity of 52%. For a deeper look at the conditions in September, you can visit Hermosillo weather in September.

In October, the weather can be quite warm, with average temperatures reaching up to 25°C (78°F) and maximums soaring to 43°C (110°F). The month experiences minimal precipitation, with only 6 mm (0.3 in) over a single day, and humidity at a comfortable 58%. In contrast, November sees a slight decrease in temperatures, where the average drops to 20°C (68°F) and the maximums go to 36°C (97°F). With no recorded precipitation days and slightly higher humidity at 66%, November offers a more temperate climate. For more details, you can visit Hermosillo weather in November.

October and December showcase a noticeable shift in weather patterns. October features warmer temperatures with a minimum of 8°C (47°F) and an average high of 25°C (78°F), reaching up to a sweltering 43°C (110°F) on exceptionally hot days. In contrast, December sees cooler conditions, with a minimum temperature of 3°C (38°F) and an average high of 14°C (58°F), peaking at 28°C (84°F). Additionally, October experiences lower humidity at 58% compared to December's higher humidity level of 74%. Precipitation levels remain relatively similar in both months, with October receiving 6 mm (0.3 in) and December slightly higher at 8 mm (0.3 in), though both months see just one day of rain. For more detailed information, check out Hermosillo weather in December.

Compare Hermosillo's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Hermosillo

As October arrives in Hermosillo, the weather begins to shift, marking a transition from the sweltering summer heat to more comfortable temperatures. The typical highs of the month hover around a pleasant 25°C (78°F), a welcome change after the intensity of the summer months. While the minimum temperatures can drop to 8°C (47°F), nights can feel refreshingly cool compared to the summer's warmth. Precipitation is minimal, with just a sprinkle of rain on a single day, and the humidity at 58% adds a subtle softness to the air. This moderate climate makes October an ideal time to explore the city and enjoy outdoor activities. For a more in-depth look at Hermosillo's weather patterns, visit Hermosillo Climate.