Altar Weather in October
What's the weather like in Altar (Sonora) in October 2025?
The climate in Altar during October can be summarized as hot and dry.
October is in the fall / autumn in Altar and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 33°C (91°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 32.7°C 90.9°F |
|---|---|
| Nightly temperature | 15.1°C 59.2°F |
| Average temperature | 23.9°C 75°F |
| Daily sunshine | 10.1 hrs |
| Avg rainfall | 18 mm 0.7 ins |
| Rainy days | 2 days |
| Sea temperature | 26.9°C 80.4°F |
| Humidity | 44% |
| Windspeed | 11.2kph 7 mph |
On average October is the 5th wettest month of the year in Altar with around 18mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.1 hours of sunshine per day.
October temperatures in Altar
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 Altar in October 2025.
Other monthly averages
Best places to visit in October
Altar weather stats
| Hottest month: | July | 38.5°C 101.3°F |
|---|---|---|
| Driest month: | May | 3mm 0.1ins |
| Sunniest month: | June | 12.9hrs |
| Coldest month: | January | 20.9°C 69.6°F |
| Wettest month: | August | 66mm 2.6ins |
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