Average annual temperature is 27.2 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 20.9 °C
Number of sunny days: 107 days
Number of rainy days: 258 days
Look at detailed online map of Sandan
* Weather data for Sandan 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) | 31.6 | 30.5 | 31.5 | 31.3 | 31.2 | 33.0 | 32.4 | 33.5 | 35.6 | 37.6 | 36.3 | 34.2 |
| Average daytime temperature (°C) | 30.0 | 29.0 | 30.2 | 30.5 | 30.5 | 31.7 | 31.4 | 32.6 | 33.8 | 35.7 | 34.3 | 32.3 |
| Average temperature (°C) | 26.1 | 25.8 | 26.1 | 26.4 | 26.9 | 27.6 | 26.9 | 27.2 | 28.0 | 29.6 | 28.7 | 27.4 |
| Average night temperature (°C) | 23.5 | 23.9 | 23.3 | 23.8 | 24.1 | 24.0 | 22.7 | 22.8 | 23.1 | 24.3 | 24.6 | 23.9 |
| Absolute minimum temperature (°C) | 21.8 | 23.2 | 21.8 | 22.7 | 22.7 | 22.4 | 21.4 | 20.9 | 21.6 | 23.4 | 22.9 | 23.1 |
| 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 | 11.8 | 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) | 8.9 | 7.6 | 9.2 | 8.6 | 10.0 | 10.9 | 10.6 | 11.0 | 11.1 | 11.5 | 10.7 | 10.1 |
| Precipitation (mm) | 283 | 335 | 415 | 305 | 94 | 17 | 27 | 6 | 2 | 14 | 136 | 265 |
| Sunny days | 0 | 0 | 0 | 0 | 9 | 8 | 21 | 27 | 25 | 12 | 5 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 22 | 22 | 10 | 4 | 5 | 19 | 25 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sandan is at