Average annual temperature is 25.5 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: 17.0 °C
Number of sunny days: 127 days
Number of rainy days: 238 days
Look at detailed online map of Isa
* Weather data for Isa 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 | 30.1 | 31.0 | 30.7 | 30.3 | 31.7 | 32.1 | 32.6 | 34.6 | 35.8 | 35.5 | 33.9 |
| Average daytime temperature (°C) | 30.1 | 28.8 | 29.2 | 29.0 | 28.6 | 30.0 | 28.8 | 31.4 | 32.9 | 34.3 | 33.6 | 32.1 |
| Average temperature (°C) | 25.2 | 24.6 | 24.7 | 24.8 | 24.6 | 24.7 | 24.5 | 25.1 | 26.0 | 27.6 | 27.8 | 26.8 |
| Average night temperature (°C) | 21.3 | 21.6 | 21.1 | 21.8 | 21.6 | 20.8 | 21.3 | 19.8 | 20.0 | 21.9 | 23.1 | 23.1 |
| Absolute minimum temperature (°C) | 19.1 | 20.2 | 19.0 | 18.9 | 18.2 | 17.0 | 18.7 | 17.7 | 17.4 | 20.7 | 21.5 | 22.1 |
| 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) | 12.6 | 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) | 9.7 | 7.1 | 9.3 | 9.2 | 10.4 | 10.3 | 9.9 | 10.9 | 11.3 | 11.4 | 10.9 | 10.5 |
| Precipitation (mm) | 193 | 479 | 199 | 186 | 12 | 30 | 17 | 0 | 2 | 13 | 48 | 137 |
| Sunny days | 2 | 0 | 1 | 3 | 14 | 17 | 17 | 31 | 25 | 12 | 5 | 0 |
| Rainy days | 29 | 28 | 30 | 27 | 17 | 13 | 14 | 0 | 5 | 19 | 25 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isa is at