Altadena Weather in October
What's the weather like in Altadena (California) in October 2025?
The climate in Altadena during October can be summarized as mild and very dry.
October is in the fall / autumn in Altadena and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 8°C (46°F) is normal.
| Daytime temperature | 23°C 73.4°F |
|---|---|
| Nightly temperature | 8°C 46.4°F |
| Average temperature | 15.5°C 59.9°F |
| Daily sunshine | 9 hrs |
| Avg rainfall | 9 mm 0.3 ins |
| Rainy days | 2 days |
| Sea temperature | 17.9°C 64.3°F |
| Humidity | 62% |
| Windspeed | 11.9kph 7 mph |
On average October is the 5th driest month of the year in Altadena with around 9mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9 hours of sunshine per day.
October temperatures in Altadena
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 Altadena in October 2025.
Other monthly averages
Best places to visit in October
Altadena weather stats
| Hottest month: | July | 31°C 87.8°F |
|---|---|---|
| Driest month: | June | 3mm 0.1ins |
| Sunniest month: | August | 11.6hrs |
| Coldest month: | December | 12.7°C 54.9°F |
| Wettest month: | January | 76mm 3ins |
© Google
Locations nearby
Top United States locations
- Anaheim
- Anchorage
- Aspen
- Atlanta
- Boston
- Breckenridge
- Charleston
- Chicago
- Coney Island
- Dallas
- Death Valley
- Denver
- Destin
- Detroit
- Glacier National Park
- Grand Canyon
- Honolulu
- Houston
- Indianapolis
- Key West
- Lake Tahoe
- Las Vegas
- Los Angeles
- Malibu
- Manhattan
- Memphis
- Miami
- Minneapolis
- Myrtle Beach
- New Orleans
- New York City
- Niagara Falls
- Ocean City
- Orlando
- Palm Springs
- Philadelphia
- Phoenix
- Salt Lake City
- San Diego
- San Francisco
- Scottsdale
- Seattle
- Sedona
- Sonoma
- Washington, D. C.
- Yosemite National Park
- Zion National Park