Sierra Vista Weather in October
What's the weather like in Sierra Vista (Arizona) in October 2025?
The climate in Sierra Vista during October can be summarized as mild and dry.
October is in the fall / autumn in Sierra Vista and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (78°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 25.4°C 77.7°F |
|---|---|
| Nightly temperature | 9.8°C 49.6°F |
| Average temperature | 17.6°C 63.7°F |
| Daily sunshine | 9.9 hrs |
| Avg rainfall | 21 mm 0.8 ins |
| Rainy days | 5 days |
| Sea temperature | 24.8°C 76.6°F |
| Humidity | 50% |
| Windspeed | 11.2kph 7 mph |
On average October is the 5th wettest month of the year in Sierra Vista with around 21mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.9 hours of sunshine per day.
October temperatures in Sierra Vista
October rainfall
October hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sierra Vista in October 2025.
Other monthly averages
Best places to visit in October
Sierra Vista weather stats
| Hottest month: | July | 33.2°C 91.8°F |
|---|---|---|
| Driest month: | May | 3mm 0.1ins |
| Sunniest month: | June | 13.2hrs |
| Coldest month: | January | 14.4°C 57.9°F |
| Wettest month: | July | 97mm 3.8ins |
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