Surabaya Weather in August
August in Surabaya sees daytime temperatures around 33°C (91°F) and lows of 24°C (75°F) at night. As the driest month of the year, combined with perfect weather, it's a great time to visit.
Rainfall in Surabaya in August
With the least rainfall of the year, this month offers good conditions for outdoor exploration. Take advantage of the dry weather to plan your activities. Analyzing past climate data, one can expect approximately a single day of rain, averaging 8.8 mm (0.3 in). Any rain that does arrive is likely to be fairly light and short-lived.
Temperature in Surabaya in August
The temperature in Surabaya in August is perfect. Daytime highs reach 33°C (91°F), with nights dropping to 24°C (75°F). Mornings and evenings are often more comfortable than the peak afternoon hours. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Surabaya in August
With approximately 247 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Surabaya.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Indonesia, check out our Surabaya's climate page.
Surabaya Temperature in August
Min Temperature
24°C (75°F)
Max Temperature
33°C (91°F)
Chance of Rain
4%
Precipitation
8.8 mm (0.3 in)
Rainy days
a single day
Humidity
56%
Sunshine
247 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Surabaya typically stay consistent throughout August, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Surabaya in August
Browse day-by-day weather records for Surabaya spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Surabaya historical weather extremes in August
Based on weather observations in Surabaya between 1992 and 2025, these are the recorded extremes during August.
- The hottest August day on record in Surabaya reached 34°C (93°F) (August 30, 1995).
- The coldest August day was on August 16, 1998, with a maximum of 28°C (82°F).
- Surabaya registered its coldest August night on August 13, 2001, with temperatures dropping to 16°C (61°F).
Best Places in Indonesia in August
Find out more about the weather in Indonesia and which places have the best travel conditions in this month. See all of Indonesia in August →
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What to Wear in Surabaya in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Surabaya in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Indonesia, check out our Surabaya's climate page.
Temperature Rainfall Sunshine Humidity
See the full Surabaya climate overview or explore weather in Indonesia.
