Hermosillo Weather in October
With daytime temperatures of 35°C (95°F) and nighttime lows of 19°C (66°F), October in Hermosillo brings very high temperatures during the day. Some rainfall is to be expected during the month.
Rainfall in Hermosillo in October
Climate statistics over the past 30 years suggest around 2 days of rain, with 22 mm (0.9 in) average for the month. If rain does fall, it tends to arrive as a fairly heavy shower rather than light drizzle.
Temperature in Hermosillo in October
In October, Hermosillo gets very high temperatures, with highs of 35°C (95°F). Nights cool to around 19°C (66°F). For most visitors, the main thing to prepare for is the heat during the day. With lows of 19°C (66°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Hermosillo in October
With approximately 261 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If you prefer dry days with pleasant temperatures, October may not be the ideal month to visit Hermosillo. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Hermosillo's climate page.
Hermosillo Temperature in October
Min Temperature
19°C (66°F)
Max Temperature
35°C (95°F)
Chance of Rain
5%
Precipitation
22 mm (0.9 in)
Rainy days
2 days
Humidity
42%
Sunshine
261 hours
Percentage Sunshine
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Hermosillo typically drop from around 36°C (97°F) at the start of October to approximately 32°C (90°F) by the end. Nights are pleasant, with lows typically ranging from 16°C (61°F) to 23°C (73°F).
Average temperatures in October
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Hermosillo in October
Browse day-by-day weather records for Hermosillo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hermosillo historical weather extremes in October
The extremes listed below come from historical weather data collected in Hermosillo from 2006 through 2025.
- The warmest day in October was on October 5, 2024, with a maximum of 45°C (113°F).
- The coldest October day was on October 29, 2009, with a maximum of 22°C (72°F).
- Hermosillo registered its coldest October night on October 27, 2020, with temperatures dropping to 8°C (46°F).
Best Places in Mexico in October
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in October →
perfect weather
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What to Wear in Hermosillo in October
Hot weather in October means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Pack a light rain jacket or compact umbrella for occasional showers. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Hermosillo in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Hermosillo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Hermosillo climate overview or explore weather in Mexico.
