Average annual temperature is 26.6 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: 22.8 °C
Number of sunny days: 6 days
Number of rainy days: 359 days
Look at detailed online map of Roso
* Weather data for Roso 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 | 31.1 | 31.6 | 31.1 | 31.9 | 31.4 | 31.0 | 30.5 | 31.1 | 31.4 | 31.1 | 30.9 |
| Average daytime temperature (°C) | 29.8 | 29.7 | 29.3 | 30.0 | 29.9 | 29.7 | 29.0 | 29.0 | 29.7 | 29.8 | 29.7 | 29.7 |
| Average temperature (°C) | 26.8 | 27.0 | 26.6 | 27.0 | 27.0 | 26.8 | 26.1 | 25.9 | 26.5 | 26.5 | 26.5 | 26.8 |
| Average night temperature (°C) | 24.8 | 24.9 | 24.6 | 24.7 | 25.0 | 24.8 | 24.4 | 24.1 | 24.5 | 24.4 | 24.5 | 24.7 |
| Absolute minimum temperature (°C) | 23.8 | 24.1 | 23.7 | 23.6 | 24.2 | 23.4 | 23.5 | 23.4 | 22.8 | 23.2 | 23.1 | 23.7 |
| 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 | 12.1 | 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) | 8.4 | 8.8 | 7.8 | 9.8 | 9.5 | 9.4 | 7.2 | 7.2 | 8.1 | 8.7 | 8.3 | 8.9 |
| Precipitation (mm) | 383 | 318 | 419 | 240 | 274 | 185 | 345 | 407 | 211 | 253 | 344 | 361 |
| Sunny days | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 |
| Rainy days | 29 | 28 | 31 | 30 | 31 | 30 | 30 | 31 | 30 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Roso is at