Surabaya Weather in July
What's the weather like in Surabaya (East Java) in July 2025?
The climate in Surabaya during July can be summarized as hot, humid and dry.
July is in the winter in Surabaya and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 23°C (74°F) is normal.
| Daytime temperature | 31.3°C 88.3°F |
|---|---|
| Nightly temperature | 23.2°C 73.7°F |
| Average temperature | 27.2°C 81°F |
| Daily sunshine | 11.2 hrs |
| Avg rainfall | 22 mm 0.9 ins |
| Rainy days | 2 days |
| Sea temperature | 27.6°C 81.6°F |
| Humidity | 74% |
| Windspeed | 12.2kph 8 mph |
On average July is the 3rd driest month of the year in Surabaya with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.2 hours of sunshine per day.
July temperatures in Surabaya
July rainfall
July hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Surabaya in July 2025.
Other monthly averages
Surabaya weather stats
| Hottest month: | October | 33.3°C 91.9°F |
|---|---|---|
| Driest month: | August | 13mm 0.5ins |
| Sunniest month: | August | 11.7hrs |
| Coldest month: | July | 31.1°C 88°F |
| Wettest month: | January | 281mm 11.1ins |
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