San Marcos Weather in October

What's the weather like in San Marcos (California) in October 2024?

The climate in San Marcos during October can be summarized as warm and very dry.

October is in the fall / autumn in San Marcos and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 13°C (55°F) is normal.

San Marcos weather averages (imperial / metric)
Daytime temperature 24.9°C 76.7°F
Nightly temperature 13°C 55.3°F
Average temperature 18.9°C 66°F
Daily sunshine 8.9 hrs
Avg rainfall 9 mm 0.3 ins
Rainy days 2 days
Sea temperature 19.3°C 66.7°F
Humidity 66%
Windspeed 12.2kph 8 mph

On average October is the 5th driest month of the year in San Marcos 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 8.9 hours of sunshine per day.

October temperatures in San Marcos

San Marcos average temperature in October

October rainfall

San Marcos average rain in October

October hourly sunshine

San Marcos 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 San Marcos in October 2024.