Average annual temperature is 23.2 °C
Absolute maximum temperature: 28.8 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 56 days
Number of rainy days: 309 days
Look at detailed online map of Isiai
* Weather data for Isiai Vanuatu 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 | 28.5 | 27.8 | 28.7 | 26.6 | 25.0 | 24.3 | 23.3 | 24.6 | 25.3 | 24.5 | 26.9 |
| Average daytime temperature (°C) | 27.1 | 26.9 | 26.3 | 27.2 | 24.9 | 23.0 | 21.7 | 21.2 | 22.3 | 22.8 | 23.3 | 25.2 |
| Average temperature (°C) | 25.7 | 25.6 | 25.1 | 25.8 | 23.9 | 22.0 | 20.8 | 20.3 | 21.3 | 21.8 | 22.4 | 24.2 |
| Average night temperature (°C) | 24.7 | 24.5 | 24.1 | 24.7 | 22.9 | 21.2 | 20.1 | 19.5 | 20.5 | 21.0 | 21.5 | 23.3 |
| Absolute minimum temperature (°C) | 22.3 | 22.9 | 22.9 | 21.9 | 20.8 | 19.6 | 18.6 | 18.1 | 19.3 | 19.4 | 20.4 | 21.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.2 | 12.7 | 12.2 | 11.6 | 11.2 | 11.0 | 11.1 | 11.5 | 12.0 | 12.5 | 13.0 | 13.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 9.8 | 10.0 | 9.4 | 9.8 | 7.7 | 9.3 | 8.6 | 7.9 | 9.8 | 8.5 | 11.4 | 11.9 |
| Precipitation (mm) | 229 | 270 | 447 | 155 | 141 | 69 | 95 | 318 | 157 | 236 | 71 | 63 |
| Sunny days | 3 | 3 | 3 | 9 | 5 | 8 | 6 | 4 | 4 | 8 | 1 | 2 |
| Rainy days | 28 | 25 | 28 | 21 | 26 | 22 | 25 | 27 | 26 | 23 | 29 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Isiai during the most sunny months:
The largest precipitation sum in Isiai is at