Average annual temperature is 24.7 °C
Absolute maximum temperature: 29.1 °C
Absolute minimum temperature: 19.5 °C
Number of sunny days: 120 days
Number of rainy days: 245 days
Look at detailed online map of Ono
* Weather data for Ono New Caledonia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.8 | 29.1 | 28.4 | 28.8 | 27.9 | 25.8 | 25.3 | 23.3 | 24.4 | 25.3 | 26.6 | 28.0 |
| Average daytime temperature (°C) | 27.4 | 27.7 | 27.7 | 27.2 | 25.6 | 24.2 | 23.5 | 22.6 | 23.2 | 24.1 | 25.2 | 26.9 |
| Average temperature (°C) | 26.7 | 26.9 | 26.9 | 26.3 | 24.9 | 23.5 | 22.7 | 21.8 | 22.4 | 23.4 | 24.3 | 26.1 |
| Average night temperature (°C) | 25.9 | 25.9 | 26.0 | 25.6 | 24.2 | 22.9 | 21.9 | 20.9 | 21.7 | 22.8 | 23.5 | 25.2 |
| Absolute minimum temperature (°C) | 23.9 | 24.1 | 23.8 | 22.4 | 22.2 | 21.7 | 20.2 | 19.5 | 20.3 | 21.4 | 22.4 | 23.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.2 | 12.7 | 12.2 | 11.6 | 11.2 | 11.0 | 11.1 | 11.5 | 12.0 | 12.5 | 13.0 | 13.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 10.5 | 10.4 | 10.2 | 9.4 | 7.9 | 9.4 | 9.1 | 10.0 | 9.3 | 10.1 | 11.8 | 10.9 |
| Precipitation (mm) | 228 | 259 | 129 | 159 | 85 | 15 | 31 | 65 | 108 | 60 | 11 | 24 |
| Sunny days | 9 | 5 | 3 | 12 | 12 | 15 | 11 | 10 | 7 | 10 | 13 | 13 |
| Rainy days | 22 | 23 | 28 | 18 | 19 | 15 | 20 | 21 | 23 | 21 | 17 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ono is at