San Marcos Weather in March

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

The climate in San Marcos during March can be summarized as mild and reasonably dry.

March is in the spring in San Marcos and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 8°C (46°F) is normal.

San Marcos weather averages (imperial / metric)
Daytime temperature 18.9°C 65.9°F
Nightly temperature 8°C 46.3°F
Average temperature 13.4°C 56.1°F
Daily sunshine 9.3 hrs
Avg rainfall 64 mm 2.5 ins
Rainy days 6 days
Sea temperature 15.1°C 59.3°F
Humidity 64%
Windspeed 14kph 9 mph

On average March is the 2nd wettest month of the year in San Marcos with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.3 hours of sunshine per day.

March temperatures in San Marcos

San Marcos average temperature in March

March rainfall

San Marcos average rain in March

March hourly sunshine

San Marcos average rain in March

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 March 2024.