Average annual temperature is 16.7 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: 3.9 °C
Number of sunny days: 144 days
Number of rainy days: 221 days
Look at detailed online map of Shellharbour
* Weather data for Shellharbour Australia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.8 | 30.9 | 35.2 | 25.2 | 21.1 | 21.6 | 22.4 | 23.5 | 33.6 | 33.7 | 28.5 | 35.6 |
| Average daytime temperature (°C) | 24.0 | 25.0 | 25.3 | 20.7 | 17.9 | 16.8 | 18.0 | 18.1 | 22.0 | 23.2 | 22.6 | 25.5 |
| Average temperature (°C) | 20.1 | 20.8 | 20.4 | 16.4 | 13.3 | 12.4 | 12.4 | 12.7 | 15.9 | 16.9 | 18.4 | 20.5 |
| Average night temperature (°C) | 16.9 | 17.3 | 16.9 | 13.2 | 10.0 | 9.2 | 8.4 | 8.7 | 10.9 | 12.0 | 15.1 | 16.9 |
| Absolute minimum temperature (°C) | 11.0 | 14.2 | 12.9 | 9.8 | 4.9 | 5.8 | 3.9 | 5.8 | 4.5 | 8.0 | 10.7 | 13.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.2 | 13.3 | 12.3 | 11.2 | 10.3 | 9.9 | 10.1 | 10.9 | 11.9 | 13.0 | 13.9 | 14.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 10.0 | 10.7 | 9.0 | 8.7 | 8.9 | 7.8 | 8.8 | 8.7 | 10.6 | 11.0 | 9.8 | 10.4 |
| Precipitation (mm) | 158 | 131 | 84 | 139 | 26 | 33 | 15 | 64 | 11 | 41 | 189 | 145 |
| Sunny days | 4 | 9 | 7 | 9 | 17 | 17 | 21 | 13 | 20 | 15 | 6 | 6 |
| Rainy days | 27 | 19 | 24 | 21 | 14 | 13 | 10 | 18 | 10 | 16 | 24 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Shellharbour is at