The highest day temperature in April 2026 was 86°F. The lowest night temperature was 82°F. The average values for day and night temperatures during April were 84.5°F и 83.8°F respectivly.

The average sea surface temperature in April 2026 for San Luis was 86.4°F. The maximum and minimum values were 85.6°F and 88.0°F respectively.

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

Precipitation total in April for San Luis is 0.5 in. It makes april one of the least rainy months of the year.

The average wind speed in April is 14.2 mph.

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 Luis in April is 5.1 hours.