Weather in San Patricio: March
![]() |
Average day temperature: | 85.5°F |
Average night temperature: | 68.4°F | |
![]() |
Sea water temperature: | 76.8°F |
![]() |
Number of sunny days: | 28 days |
Day length: | 11.8 - 12.3 hours | |
![]() |
Number of rainy days: | 0 days |
Precipitation totals: | 0.0 in. | |
more information |
forecast
San Patricio |
temperature
San Patricio |
Air temperature in March, °F
Day temperature | Night temperature |
The highest day temperature during March of 2025 was 89°F. At the same time the lowest night temperature was 60°F. Daily and nightly averages during March were 84.5°F and 66.8°F.
Sea water temperature in San Patricio in March, °F
The average sea water temperature in March of 2025 was 78.4°F. The highest and lowest sea temperatures during the month were 81.0°F and 74.3°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Mostly all days in March are sunny but cloudy days are also possible.
Precipitation total in March, in.
Precipitation total value in San Patricio in March is 0.0 in. Other months of the year show relatively similar values.
The average wind speed value in March is 4.9 mph It makes March most windy month of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 10.8.
Best time for vacation in San Patricio
San Patricio on a weather map

9 mph

7 mph

2 mph

2 mph

2 mph

3 mph

2 mph

6 mph