Average annual temperature is 25.0 °C
Absolute maximum temperature: 30.4 °C
Absolute minimum temperature: 20.3 °C
Number of sunny days: 4 days
Number of rainy days: 361 days
Look at detailed online map of Kosikosi
* Weather data for Kosikosi 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) | 30.4 | 30.1 | 29.2 | 29.7 | 29.6 | 29.5 | 28.4 | 27.7 | 29.5 | 29.3 | 28.9 | 30.1 |
| Average daytime temperature (°C) | 28.4 | 28.3 | 27.9 | 28.2 | 28.2 | 27.3 | 26.5 | 25.5 | 27.3 | 27.8 | 27.4 | 27.9 |
| Average temperature (°C) | 25.5 | 25.7 | 25.4 | 25.4 | 25.7 | 25.1 | 24.3 | 23.5 | 24.6 | 24.9 | 24.7 | 25.2 |
| Average night temperature (°C) | 23.4 | 23.6 | 23.1 | 22.6 | 23.5 | 23.2 | 22.7 | 22.4 | 22.8 | 22.7 | 22.7 | 22.9 |
| Absolute minimum temperature (°C) | 22.2 | 22.4 | 21.6 | 20.8 | 22.5 | 22.2 | 21.3 | 21.4 | 20.3 | 21.4 | 21.1 | 20.7 |
| 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 | 12.6 | 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) | 7.4 | 8.5 | 8.2 | 9.3 | 8.3 | 8.6 | 6.3 | 5.0 | 8.8 | 8.2 | 7.4 | 8.1 |
| Precipitation (mm) | 495 | 238 | 347 | 472 | 434 | 277 | 404 | 565 | 362 | 464 | 666 | 461 |
| Sunny days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Rainy days | 31 | 28 | 30 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kosikosi is at