The highest day temperature in April 2026 was 78°F. The lowest night temperature was 62°F. The average values for day and night temperatures during April were 70.6°F и 65.5°F respectivly.

The average sea surface temperature in April 2026 for San Augustin was 68.0°F. The maximum and minimum values were 65.8°F and 69.6°F respectively.

Most of the days in April are sunny but you can also expect cloudy and gloomy days.

Precipitation total in April for San Augustin is 0.1 in. This value is relatively stable throughout the year.

The average wind speed in April is 10.9 mph. It makes April one of the most windless months of the year for San Augustin.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Augustin in April is 10.8 hours.