Average annual temperature is 23.8 °C
Absolute maximum temperature: 31.6 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 46 days
Number of rainy days: 319 days
Look at detailed online map of Ondanalo
* Weather data for Ondanalo 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) | 28.8 | 27.8 | 29.7 | 28.7 | 28.9 | 29.0 | 29.0 | 31.1 | 31.4 | 31.1 | 31.6 | 31.6 |
| Average daytime temperature (°C) | 27.2 | 26.0 | 27.3 | 27.2 | 27.7 | 27.8 | 27.6 | 28.5 | 29.5 | 30.3 | 30.3 | 29.8 |
| Average temperature (°C) | 23.8 | 23.0 | 23.6 | 23.6 | 23.5 | 23.1 | 22.9 | 22.9 | 23.5 | 25.0 | 25.5 | 25.5 |
| Average night temperature (°C) | 21.5 | 21.3 | 20.9 | 21.1 | 20.4 | 19.8 | 19.5 | 18.6 | 18.7 | 20.1 | 21.7 | 22.5 |
| Absolute minimum temperature (°C) | 20.5 | 20.2 | 20.2 | 19.4 | 18.5 | 18.0 | 16.9 | 17.1 | 16.1 | 18.5 | 19.1 | 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 | 12.2 | 11.9 | 11.7 | 11.6 | 11.6 | 11.8 | 12.1 | 12.3 | 12.5 | 12.7 |
| 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) | 10.2 | 7.6 | 10.3 | 9.5 | 10.7 | 10.5 | 10.3 | 11.0 | 11.3 | 11.6 | 11.5 | 11.4 |
| Precipitation (mm) | 209 | 422 | 313 | 231 | 53 | 85 | 91 | 51 | 60 | 106 | 134 | 131 |
| Sunny days | 2 | 0 | 0 | 1 | 8 | 9 | 7 | 12 | 3 | 1 | 0 | 3 |
| Rainy days | 29 | 28 | 31 | 29 | 23 | 21 | 24 | 19 | 27 | 30 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ondanalo is at