Fallbrook Weather in October
What's the weather like in Fallbrook (California) in October 2025?
The climate in Fallbrook during October can be summarized as warm and very dry.
October is in the fall / autumn in Fallbrook and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 25.1°C 77.1°F |
|---|---|
| Nightly temperature | 12.2°C 53.9°F |
| Average temperature | 18.6°C 65.5°F |
| Daily sunshine | 8.9 hrs |
| Avg rainfall | 8 mm 0.3 ins |
| Rainy days | 2 days |
| Sea temperature | 19.3°C 66.7°F |
| Humidity | 65% |
| Windspeed | 11.9kph 7 mph |
On average October is the 5th driest month of the year in Fallbrook with around 8mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 8.9 hours of sunshine per day.
October temperatures in Fallbrook
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 Fallbrook in October 2025.
Other monthly averages
Best places to visit in October
Fallbrook weather stats
| Hottest month: | August | 29.4°C 84.9°F |
|---|---|---|
| Driest month: | July | 2mm 0.1ins |
| Sunniest month: | August | 11.1hrs |
| Coldest month: | January | 17.7°C 63.9°F |
| Wettest month: | January | 70mm 2.8ins |
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