Average annual temperature is 26.9 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 19.3 °C
Number of sunny days: 127 days
Number of rainy days: 238 days
Look at detailed online map of Siwalan Kidul
* Weather data for Siwalan Kidul 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) | 30.8 | 30.3 | 31.9 | 32.7 | 33.7 | 34.7 | 34.0 | 35.0 | 36.2 | 38.1 | 37.3 | 37.0 |
| Average daytime temperature (°C) | 29.4 | 28.9 | 30.4 | 30.8 | 32.1 | 33.9 | 32.2 | 33.5 | 35.1 | 36.6 | 35.2 | 33.8 |
| Average temperature (°C) | 25.3 | 24.8 | 25.6 | 26.1 | 26.9 | 27.8 | 26.3 | 26.8 | 27.6 | 29.4 | 28.5 | 27.9 |
| Average night temperature (°C) | 22.9 | 22.6 | 22.6 | 23.2 | 22.7 | 23.2 | 21.8 | 21.3 | 22.0 | 23.9 | 24.4 | 24.3 |
| Absolute minimum temperature (°C) | 21.6 | 21.7 | 21.8 | 22.3 | 21.3 | 22.2 | 19.7 | 19.3 | 19.7 | 22.8 | 23.5 | 23.4 |
| 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) | 12.5 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.7 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 |
| 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) | 8.1 | 6.3 | 8.8 | 9.2 | 10.2 | 10.8 | 10.6 | 10.9 | 11.0 | 11.2 | 10.5 | 10.1 |
| Precipitation (mm) | 327 | 559 | 405 | 263 | 91 | 40 | 26 | 0 | 6 | 23 | 183 | 145 |
| Sunny days | 1 | 0 | 0 | 1 | 19 | 12 | 21 | 29 | 24 | 9 | 3 | 8 |
| Rainy days | 30 | 28 | 31 | 29 | 12 | 18 | 10 | 2 | 6 | 22 | 27 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siwalan Kidul is at