Average annual temperature is 24.6 °C
Absolute maximum temperature: 30.9 °C
Absolute minimum temperature: 19.4 °C
Number of sunny days: 12 days
Number of rainy days: 353 days
Look at detailed online map of Isiisu
* Weather data for Isiisu Solomon Islands is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.3 | 30.5 | 30.3 | 29.8 | 30.3 | 29.5 | 29.4 | 29.6 | 30.9 | 30.8 | 30.9 | 30.7 |
| Average daytime temperature (°C) | 27.9 | 28.4 | 28.3 | 28.7 | 28.5 | 28.1 | 27.8 | 27.6 | 29.2 | 29.2 | 28.9 | 28.6 |
| Average temperature (°C) | 24.2 | 24.5 | 24.2 | 24.4 | 24.7 | 24.6 | 24.5 | 24.3 | 25.1 | 24.9 | 24.8 | 24.8 |
| Average night temperature (°C) | 21.7 | 21.8 | 21.5 | 21.5 | 22.4 | 22.4 | 22.6 | 22.4 | 22.6 | 22.3 | 22.3 | 22.1 |
| Absolute minimum temperature (°C) | 20.7 | 20.8 | 19.6 | 19.6 | 20.4 | 21.1 | 21.5 | 21.4 | 20.4 | 20.9 | 19.4 | 20.2 |
| 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 | 12.0 | 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) | 8.1 | 8.6 | 8.0 | 9.7 | 8.6 | 9.2 | 7.3 | 7.8 | 9.7 | 9.3 | 8.4 | 8.2 |
| Precipitation (mm) | 295 | 344 | 403 | 233 | 292 | 170 | 380 | 296 | 224 | 326 | 519 | 695 |
| Sunny days | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 0 | 6 | 0 | 0 | 1 |
| Rainy days | 31 | 28 | 31 | 29 | 30 | 29 | 29 | 31 | 24 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isiisu is at