The highest day temperature in July 2023 was 99°F. The lowest night temperature was 76°F. The average values for day and night temperatures during July were 96.6°F и 79.0°F respectivly.

The average sea surface temperature in July 2023 for Surabaya was 86.9°F. The maximum and minimum values were 85.8°F and 88.0°F respectively.

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

Precipitation total in July for Surabaya is 0.5 in. It makes july one of the least rainy months of the year.

The average wind speed in July is 5.9 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 July is 9.6 hours.