Average annual temperature is 26.0 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 93 days
Number of rainy days: 272 days
Look at detailed online map of Surabaya
* Weather data for Surabaya Indonesia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.6 | 30.2 | 32.4 | 31.9 | 32.0 | 32.2 | 31.5 | 33.1 | 34.4 | 35.5 | 35.3 | 34.1 |
| Average daytime temperature (°C) | 29.1 | 28.5 | 30.2 | 29.7 | 30.2 | 30.7 | 29.3 | 31.1 | 31.7 | 34.0 | 32.9 | 32.1 |
| Average temperature (°C) | 25.4 | 25.2 | 25.5 | 25.6 | 25.7 | 25.8 | 25.1 | 25.4 | 26.0 | 27.8 | 27.5 | 26.9 |
| Average night temperature (°C) | 22.6 | 23.1 | 22.4 | 22.7 | 22.5 | 22.3 | 22.0 | 21.5 | 22.0 | 23.6 | 23.8 | 23.2 |
| Absolute minimum temperature (°C) | 20.3 | 21.9 | 20.9 | 21.5 | 19.0 | 19.6 | 20.7 | 18.8 | 20.3 | 22.3 | 22.8 | 21.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.6 | 12.4 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 9.1 | 7.7 | 9.8 | 8.7 | 10.7 | 10.6 | 10.6 | 10.9 | 11.2 | 11.6 | 11.2 | 10.8 |
| Precipitation (mm) | 250 | 320 | 203 | 258 | 37 | 20 | 24 | 7 | 13 | 29 | 116 | 116 |
| Sunny days | 1 | 0 | 0 | 0 | 13 | 15 | 13 | 21 | 18 | 6 | 1 | 5 |
| Rainy days | 30 | 28 | 31 | 30 | 18 | 15 | 18 | 10 | 12 | 25 | 29 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Surabaya is at