Costa Mesa Weather in October

What's the weather like in Costa Mesa (California) in October 2024?

The climate in Costa Mesa during October can be summarized as warm and very dry.

October is in the fall / autumn in Costa Mesa and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 23°C (74°F), whilst at night 14°C (58°F) is normal.

Costa Mesa weather averages (imperial / metric)
Daytime temperature 23.2°C 73.8°F
Nightly temperature 14.2°C 57.6°F
Average temperature 18.7°C 65.7°F
Daily sunshine 8.8 hrs
Avg rainfall 5 mm 0.2 ins
Rainy days 2 days
Sea temperature 19.3°C 66.7°F
Humidity 69%
Windspeed 11.2kph 7 mph

On average October is the 5th driest month of the year in Costa Mesa with around 5mm 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 Costa Mesa

Costa Mesa average temperature in October

October rainfall

Costa Mesa average rain in October

October hourly sunshine

Costa Mesa 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 Costa Mesa in October 2024.

Other monthly averages

Best places to visit in October

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Costa Mesa weather stats

Costa Mesa weather statistics
Hottest month: August 24°C 75.2°F
Driest month: July 1mm 0ins
Sunniest month: August 11.5hrs
Coldest month: January 18°C 64.4°F
Wettest month: January 64mm 2.5ins
Map showing location of Costa Mesa (33.64113, -117.91867) Costa Mesa map pin © Google

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