The highest day temperature in June 2025 was 94°F. The lowest night temperature was 77°F. The average values for day and night temperatures during June were 90.8°F и 79.6°F respectivly.

The average sea surface temperature in June 2025 for Surabaya was 88.8°F. The maximum and minimum values were 87.6°F and 90.2°F respectively.

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

Precipitation total in June for Surabaya is 1.1 in. It makes june one of the least rainy months of the year.

The average wind speed in June is 5.4 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 June is 8.7 hours.