The highest day temperature in April 2026 was 90°F. The lowest night temperature was 64°F. The average values for day and night temperatures during April were 82.4°F и 70.6°F respectivly.

The average sea surface temperature in April 2026 for Ilhabela was 79.9°F. The maximum and minimum values were 77.6°F and 82.6°F respectively.

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

Precipitation total in April for Ilhabela is 0.9 in.

The average wind speed in April is 3.7 mph. This value is relatively stable throughout the year.

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 Ilhabela in April is 5.3 hours.