East Java weather in August
August is one of the best months to visit East Java: highs of 32°C (90°F) and about 11 mm (0.4 in) of rain on average. Nights average 24°C (76°F) and cloud cover 39% (NASA POWER, 2001–2025 averages). It is the driest month of the year and the 3rd warmest. Compared with July, it is warmer and drier; September brings highs of 33°C (92°F) and 18 mm (0.7 in) of rain.
Figures are long-term averages for Surabaya, the largest city in East Java. See below for other places.
Is August a good time to visit East Java?
best month Weather score 86/100.
Yes. August is one of the best months for weather in East Java.
Does it rain a lot in East Java in August?
No, it is usually dry: about 11 mm (0.4 in) falls in an average August. It is the driest month of the year.
How warm is East Java in August?
Days average 32°C (90°F) and nights 24°C (76°F).
East Java weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 29°C (84°F) | 26°C (78°F) | 337 mm | 90% | least pleasant |
| February | 29°C (83°F) | 25°C (78°F) | 316 mm | 88% | least pleasant |
| March | 29°C (84°F) | 26°C (78°F) | 272 mm | 84% | least pleasant |
| April | 30°C (85°F) | 26°C (79°F) | 193 mm | 76% | fair |
| May | 30°C (86°F) | 26°C (79°F) | 123 mm | 61% | fair |
| June | 30°C (87°F) | 25°C (77°F) | 74 mm | 52% | best |
| July | 31°C (88°F) | 24°C (76°F) | 35 mm | 45% | best |
| August | 32°C (90°F) | 24°C (76°F) | 11 mm | 39% | best |
| September | 33°C (92°F) | 25°C (78°F) | 18 mm | 40% | best |
| October | 33°C (92°F) | 26°C (80°F) | 63 mm | 58% | fair |
| November | 32°C (89°F) | 27°C (80°F) | 140 mm | 78% | fair |
| December | 30°C (85°F) | 26°C (78°F) | 300 mm | 91% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across East Java in August
Weather can differ a lot within East Java: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Surabaya | 32°C (90°F) | 24°C (76°F) | 11 mm | best |
| Malang | 29°C (84°F) | 19°C (65°F) | 14 mm | best |
| Situbondo | 30°C (86°F) | 25°C (77°F) | 13 mm | best |
| Kediri | 29°C (84°F) | 20°C (67°F) | 18 mm | best |
| Jember | 28°C (83°F) | 18°C (64°F) | 19 mm | best |
| Probolinggo | 29°C (84°F) | 20°C (67°F) | 14 mm | best |
| Batu | 29°C (84°F) | 19°C (65°F) | 14 mm | best |
| Pasuruan | 31°C (87°F) | 24°C (74°F) | 10 mm | best |
| Madiun | 32°C (90°F) | 20°C (67°F) | 22 mm | best |
| Singosari | 29°C (84°F) | 19°C (65°F) | 14 mm | best |
| Blitar | 29°C (84°F) | 20°C (67°F) | 18 mm | best |
| Mojokerto | 33°C (91°F) | 21°C (69°F) | 11 mm | best |