Seal Beach Weather in October

What's the weather like in Seal Beach (California) in October 2025?

The climate in Seal Beach during October can be summarized as warm and very dry.

October is in the fall / autumn in Seal Beach and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (78°F), whilst at night 14°C (57°F) is normal.

Seal Beach weather averages (imperial / metric)
Daytime temperature 25.3°C 77.5°F
Nightly temperature 14.1°C 57.4°F
Average temperature 19.7°C 67.5°F
Daily sunshine 8.8 hrs
Avg rainfall 4 mm 0.2 ins
Rainy days 2 days
Sea temperature 18.7°C 65.7°F
Humidity 69%
Windspeed 10.8kph 7 mph

On average October is the 6th driest month of the year in Seal Beach with around 4mm 0.2 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 8.8 hours of sunshine per day.

October temperatures in Seal Beach

Seal Beach average temperature in October

October rainfall

Seal Beach average rain in October

October hourly sunshine

Seal Beach average rain in October

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 Seal Beach in October 2025.

Other monthly averages

Best places to visit in October

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Seal Beach weather stats

Seal Beach weather statistics
Hottest month: August 27.4°C 81.3°F
Driest month: July 1mm 0ins
Sunniest month: August 11.6hrs
Coldest month: January 19°C 66.2°F
Wettest month: January 60mm 2.4ins
Map showing location of Seal Beach (33.74141, -118.10479) Seal Beach map pin © Google

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