The highest day temperature in April 2025 was 92°F. The lowest night temperature was 74°F. The average values for day and night temperatures during April were 90.0°F и 78.0°F respectivly.

The average sea surface temperature in April 2025 for Surabaya was 89.9°F. The maximum and minimum values were 89.0°F and 91.0°F respectively.

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

Precipitation total in April for Surabaya is 4.6 in.

The average wind speed in April is 4.5 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 Surabaya in April is 7.5 hours.