Average annual temperature is 22.1 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 9.3 °C
Number of sunny days: 150 days
Number of rainy days: 215 days
Look at detailed online map of Rosslyn
* Weather data for Rosslyn 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) | 34.7 | 36.7 | 33.3 | 34.2 | 26.5 | 28.0 | 28.0 | 29.4 | 31.0 | 31.6 | 36.6 | 36.2 |
| Average daytime temperature (°C) | 28.0 | 29.6 | 29.3 | 27.4 | 23.4 | 23.8 | 22.5 | 24.0 | 25.2 | 27.1 | 28.3 | 30.8 |
| Average temperature (°C) | 24.7 | 25.8 | 25.6 | 22.9 | 18.6 | 19.0 | 18.0 | 18.6 | 20.3 | 22.1 | 24.0 | 26.0 |
| Average night temperature (°C) | 22.0 | 22.9 | 22.8 | 19.1 | 14.7 | 15.5 | 14.5 | 14.3 | 16.3 | 18.2 | 21.0 | 22.8 |
| Absolute minimum temperature (°C) | 18.7 | 20.5 | 20.1 | 15.3 | 9.9 | 9.3 | 9.5 | 10.7 | 14.1 | 15.4 | 18.3 | 20.9 |
| 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 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.4 | 12.9 | 12.2 | 11.6 | 11.0 | 10.7 | 10.9 | 11.3 | 12.0 | 12.6 | 13.2 | 13.5 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 8.6 | 10.1 | 10.9 | 9.7 | 9.7 | 9.5 | 8.8 | 10.3 | 10.9 | 11.6 | 9.8 | 11.3 |
| Precipitation (mm) | 293 | 75 | 55 | 69 | 28 | 10 | 100 | 6 | 8 | 16 | 106 | 185 |
| Sunny days | 6 | 5 | 4 | 14 | 23 | 18 | 17 | 17 | 16 | 17 | 8 | 5 |
| Rainy days | 25 | 23 | 27 | 16 | 8 | 12 | 14 | 14 | 14 | 14 | 22 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosslyn is at