San Antonio Weather in March
What's the weather like in San Antonio (Valparaíso) in March 2025?
The climate in San Antonio during March can be summarized as mild and very dry.
March is in the fall / autumn in San Antonio and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 11°C (52°F) is normal.
| Daytime temperature | 21.5°C 70.6°F |
|---|---|
| Nightly temperature | 11.4°C 52.4°F |
| Average temperature | 16.4°C 61.5°F |
| Daily sunshine | 9.6 hrs |
| Avg rainfall | 4 mm 0.2 ins |
| Rainy days | 2 days |
| Sea temperature | 17.4°C 63.3°F |
| Humidity | 78% |
| Windspeed | 6.8kph 4 mph |
On average March is the 4th driest month of the year in San Antonio 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 9.6 hours of sunshine per day.
March temperatures in San Antonio
March rainfall
March 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 San Antonio in March 2025.
Other monthly averages
San Antonio weather stats
| Hottest month: | January | 23.4°C 74.1°F |
|---|---|---|
| Driest month: | February | 1mm 0ins |
| Sunniest month: | January | 11.5hrs |
| Coldest month: | July | 14.1°C 57.4°F |
| Wettest month: | July | 116mm 4.6ins |
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