Best time to visit Surabaya, Indonesia
Based on 2020–2024 of daily weather data, the best months to visit Surabaya are July, August, September — when temperatures are comfortable, rainfall is low, and sunshine is plentiful.
Months ranked by travel comfort
| Rank | Month | High | Low | Precip | Rainy days | Sun | Score |
|---|---|---|---|---|---|---|---|
| 1 ★ | July | 30.8° | 23.7° | 97.8 mm | 40 | 10.8 h | 86 |
| 2 ★ | August | 31.4° | 23.8° | 65.3 mm | 36 | 11 h | 86 |
| 3 ★ | September | 32.4° | 24.3° | 71.1 mm | 36 | 11.1 h | 83 |
| 4 | June | 30.6° | 24.8° | 289.2 mm | 92 | 10.7 h | 77 |
| 5 | October | 32.9° | 24.9° | 337 mm | 87 | 11 h | 72 |
| 6 | May | 30.7° | 25.5° | 535.7 mm | 104 | 10.2 h | 68 |
| 7 | January | 30.4° | 24.7° | 1581.5 mm | 155 | 8.7 h | 56 |
| 8 | February | 30° | 24.6° | 1815.6 mm | 142 | 8.5 h | 56 |
| 9 | March | 30.3° | 24.8° | 1453.3 mm | 153 | 9.4 h | 56 |
| 10 | April | 30.5° | 25.2° | 996.8 mm | 138 | 9.6 h | 54 |
| 11 | December | 30.7° | 24.8° | 1567.8 mm | 154 | 8.5 h | 54 |
| 12 | November | 31.6° | 25.2° | 1156.5 mm | 138 | 9.5 h | 53 |
Score (0–100) blends ideal-temperature comfort (50%), low-rainfall (30%), and sunshine (20%). Higher is better for a typical sightseeing trip.
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