Average annual temperature is 19.3 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 5.3 °C
Number of sunny days: 155 days
Number of rainy days: 210 days
Look at detailed online map of Old Grevillia
* Weather data for Old Grevillia 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) | 35.8 | 37.7 | 35.6 | 28.9 | 24.9 | 26.0 | 26.0 | 27.6 | 33.6 | 35.1 | 35.6 | 36.7 |
| Average daytime temperature (°C) | 29.1 | 29.0 | 29.1 | 24.0 | 21.1 | 20.9 | 20.5 | 22.5 | 25.1 | 27.5 | 27.1 | 32.1 |
| Average temperature (°C) | 22.8 | 22.9 | 23.4 | 18.8 | 15.0 | 14.5 | 14.3 | 15.8 | 17.9 | 20.3 | 21.0 | 24.9 |
| Average night temperature (°C) | 18.5 | 18.8 | 19.8 | 15.2 | 10.5 | 9.7 | 9.7 | 11.1 | 12.5 | 15.1 | 16.9 | 19.8 |
| Absolute minimum temperature (°C) | 16.0 | 14.6 | 14.5 | 11.3 | 6.2 | 5.3 | 6.0 | 7.7 | 7.4 | 11.0 | 12.3 | 15.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.7 | 13.1 | 12.3 | 11.4 | 10.7 | 10.4 | 10.5 | 11.1 | 11.9 | 12.8 | 13.5 | 13.9 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 10.0 | 9.7 | 8.0 | 8.5 | 8.6 | 8.6 | 7.9 | 9.2 | 10.1 | 10.5 | 9.1 | 10.9 |
| Precipitation (mm) | 152 | 68 | 109 | 67 | 85 | 12 | 22 | 21 | 16 | 56 | 131 | 84 |
| Sunny days | 5 | 7 | 8 | 11 | 22 | 22 | 20 | 16 | 13 | 18 | 5 | 8 |
| Rainy days | 26 | 21 | 23 | 19 | 9 | 8 | 11 | 15 | 17 | 13 | 25 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Old Grevillia is at