The highest day temperature in April 2026 was 92°F. The lowest night temperature was 64°F. The average values for day and night temperatures during April were 82.7°F и 70.1°F respectivly.

The average sea surface temperature in April 2026 for Itanhaem was 81.3°F. The maximum and minimum values were 79.6°F and 83.6°F respectively.

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

Precipitation total in April for Itanhaem is 1.6 in.

The average wind speed in April is 4.7 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 Itanhaem in April is 5.3 hours.