Average annual temperature is 26.5 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: 22.9 °C
Number of sunny days: 9 days
Number of rainy days: 356 days
Look at detailed online map of Kopau
* Weather data for Kopau 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) | 31.4 | 31.7 | 31.3 | 31.2 | 31.1 | 30.5 | 30.7 | 29.9 | 31.4 | 31.1 | 31.1 | 31.3 |
| Average daytime temperature (°C) | 29.7 | 29.9 | 29.4 | 29.9 | 29.8 | 29.5 | 29.2 | 28.6 | 29.6 | 29.7 | 29.6 | 29.6 |
| Average temperature (°C) | 26.5 | 27.0 | 26.5 | 26.6 | 26.8 | 26.6 | 26.1 | 25.7 | 26.5 | 26.6 | 26.6 | 26.9 |
| Average night temperature (°C) | 24.5 | 24.9 | 24.4 | 24.5 | 24.9 | 24.6 | 24.1 | 23.9 | 24.2 | 24.3 | 24.4 | 24.7 |
| Absolute minimum temperature (°C) | 23.4 | 23.8 | 23.3 | 23.0 | 23.7 | 23.8 | 22.9 | 23.1 | 23.3 | 23.3 | 23.4 | 23.3 |
| 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 | 12.1 | 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) | 7.8 | 9.0 | 8.2 | 9.8 | 8.6 | 9.5 | 7.7 | 7.9 | 9.6 | 9.5 | 8.8 | 9.4 |
| Precipitation (mm) | 430 | 346 | 456 | 373 | 340 | 215 | 319 | 349 | 208 | 324 | 309 | 459 |
| Sunny days | 1 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 3 |
| Rainy days | 30 | 28 | 31 | 28 | 31 | 28 | 31 | 31 | 29 | 31 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kopau is at