Average annual temperature is 23.3 °C
Absolute maximum temperature: 29.3 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 13 days
Number of rainy days: 352 days
Look at detailed online map of Old Case
* Weather data for Old Case 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) | 28.5 | 28.5 | 28.9 | 28.3 | 28.5 | 28.2 | 28.1 | 27.7 | 29.2 | 29.1 | 29.3 | 29.1 |
| Average daytime temperature (°C) | 26.4 | 26.9 | 26.7 | 27.0 | 26.9 | 26.5 | 26.3 | 26.1 | 27.6 | 27.6 | 27.4 | 27.0 |
| Average temperature (°C) | 23.0 | 23.3 | 22.9 | 23.0 | 23.4 | 23.3 | 23.2 | 23.0 | 23.8 | 23.6 | 23.7 | 23.5 |
| Average night temperature (°C) | 20.8 | 20.9 | 20.4 | 20.4 | 21.4 | 21.3 | 21.5 | 21.2 | 21.4 | 21.3 | 21.3 | 21.2 |
| Absolute minimum temperature (°C) | 20.2 | 20.1 | 18.6 | 18.1 | 19.2 | 20.1 | 19.9 | 20.2 | 19.6 | 20.1 | 18.9 | 19.0 |
| 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) | 7.9 | 8.6 | 7.8 | 9.7 | 8.7 | 9.2 | 7.2 | 7.7 | 9.6 | 9.2 | 8.3 | 8.2 |
| Precipitation (mm) | 332 | 404 | 429 | 200 | 378 | 174 | 403 | 340 | 241 | 311 | 538 | 916 |
| Sunny days | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 0 | 6 | 1 | 0 | 1 |
| Rainy days | 31 | 28 | 31 | 30 | 30 | 28 | 29 | 31 | 24 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Old Case is at