Average annual temperature is 27.4 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: 21.2 °C
Number of sunny days: 145 days
Number of rainy days: 220 days
Look at detailed online map of Istua
* Weather data for Istua 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) | 31.2 | 30.4 | 31.1 | 30.9 | 30.9 | 32.0 | 30.3 | 32.8 | 34.0 | 34.3 | 35.1 | 34.0 |
| Average daytime temperature (°C) | 29.9 | 28.7 | 30.0 | 29.5 | 29.7 | 30.1 | 29.1 | 30.1 | 31.1 | 33.1 | 33.4 | 32.8 |
| Average temperature (°C) | 27.5 | 26.5 | 27.3 | 27.1 | 27.2 | 26.8 | 26.2 | 26.3 | 26.7 | 28.5 | 29.5 | 29.4 |
| Average night temperature (°C) | 25.3 | 24.7 | 24.8 | 25.1 | 25.1 | 24.5 | 24.1 | 23.4 | 23.1 | 24.9 | 26.1 | 26.5 |
| Absolute minimum temperature (°C) | 23.8 | 22.7 | 23.3 | 23.5 | 21.7 | 22.8 | 21.7 | 21.2 | 21.3 | 23.1 | 24.7 | 23.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.7 | 12.4 | 12.2 | 11.9 | 11.6 | 11.5 | 11.6 | 11.8 | 12.0 | 12.3 | 12.6 | 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) | 10.6 | 8.4 | 10.9 | 9.9 | 10.6 | 10.6 | 10.6 | 11.0 | 11.2 | 11.3 | 11.6 | 11.4 |
| Precipitation (mm) | 149 | 444 | 91 | 123 | 7 | 26 | 12 | 0 | 4 | 6 | 22 | 72 |
| Sunny days | 3 | 0 | 1 | 4 | 21 | 17 | 16 | 26 | 23 | 20 | 9 | 5 |
| Rainy days | 28 | 28 | 30 | 26 | 10 | 13 | 15 | 5 | 7 | 11 | 21 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Istua is at