Average annual temperature is 26.2 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 21.7 °C
Number of sunny days: 15 days
Number of rainy days: 350 days
Look at detailed online map of Isu
* Weather data for Isu Malaysia 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 | 32.0 | 31.1 | 32.8 | 32.4 | 32.2 | 32.6 | 33.1 | 32.3 | 33.6 | 32.0 | 31.8 |
| Average daytime temperature (°C) | 29.0 | 29.2 | 29.6 | 30.7 | 31.0 | 30.3 | 30.7 | 30.8 | 30.9 | 30.8 | 30.6 | 30.4 |
| Average temperature (°C) | 25.2 | 25.3 | 25.3 | 26.3 | 26.9 | 26.7 | 26.6 | 26.5 | 26.6 | 26.3 | 26.3 | 26.2 |
| Average night temperature (°C) | 22.9 | 22.9 | 23.0 | 23.6 | 24.3 | 24.1 | 23.7 | 23.7 | 23.6 | 23.5 | 23.8 | 23.7 |
| Absolute minimum temperature (°C) | 22.1 | 21.9 | 21.7 | 22.7 | 23.4 | 23.4 | 22.7 | 22.6 | 22.8 | 22.6 | 23.0 | 23.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.0 | 7.0 | 7.1 | 8.5 | 9.1 | 8.7 | 9.4 | 7.9 | 8.2 | 6.9 | 7.7 | 8.2 |
| Precipitation (mm) | 515 | 508 | 496 | 367 | 289 | 162 | 170 | 315 | 260 | 372 | 346 | 410 |
| Sunny days | 0 | 0 | 1 | 0 | 1 | 1 | 9 | 1 | 1 | 1 | 0 | 0 |
| Rainy days | 31 | 28 | 30 | 30 | 30 | 29 | 22 | 30 | 29 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isu is at