Average annual temperature is 24.5 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: 20.1 °C
Number of sunny days: 4 days
Number of rainy days: 361 days
Look at detailed online map of Kosisi
* Weather data for Kosisi 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) | 30.7 | 30.8 | 30.8 | 30.5 | 29.8 | 29.7 | 29.4 | 29.3 | 30.2 | 30.7 | 30.0 | 31.2 |
| Average daytime temperature (°C) | 29.0 | 29.0 | 28.4 | 28.9 | 28.4 | 28.2 | 27.4 | 27.1 | 28.4 | 29.1 | 28.7 | 28.9 |
| Average temperature (°C) | 24.8 | 25.1 | 24.5 | 24.8 | 24.7 | 24.5 | 23.9 | 23.6 | 24.4 | 24.6 | 24.4 | 24.9 |
| Average night temperature (°C) | 22.4 | 22.7 | 22.2 | 22.0 | 22.7 | 22.2 | 22.1 | 21.7 | 22.1 | 22.0 | 22.0 | 22.2 |
| Absolute minimum temperature (°C) | 21.3 | 21.6 | 21.5 | 20.7 | 21.7 | 21.4 | 21.2 | 20.8 | 21.1 | 21.0 | 21.0 | 20.1 |
| 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) | 12.5 | 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) | 8.5 | 8.3 | 7.8 | 10.0 | 8.1 | 9.3 | 7.2 | 6.8 | 7.9 | 9.0 | 8.6 | 9.1 |
| Precipitation (mm) | 322 | 376 | 326 | 295 | 404 | 236 | 463 | 692 | 318 | 275 | 391 | 387 |
| Sunny days | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| Rainy days | 31 | 28 | 30 | 29 | 31 | 30 | 31 | 31 | 29 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kosisi is at