Average annual temperature is 12.9 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: 2.1 °C
Number of sunny days: 118 days
Number of rainy days: 247 days
Look at detailed online map of Birnam
* Weather data for Birnam 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) | 34.3 | 34.3 | 29.0 | 22.7 | 18.2 | 17.6 | 14.8 | 18.1 | 26.4 | 25.8 | 27.9 | 31.2 |
| Average daytime temperature (°C) | 24.6 | 22.9 | 19.7 | 17.3 | 13.3 | 12.1 | 12.3 | 13.1 | 16.8 | 16.3 | 19.7 | 20.9 |
| Average temperature (°C) | 18.1 | 16.9 | 14.8 | 13.3 | 10.2 | 9.4 | 9.3 | 9.5 | 11.7 | 11.5 | 14.4 | 15.8 |
| Average night temperature (°C) | 13.6 | 13.0 | 11.3 | 10.4 | 7.7 | 7.4 | 6.9 | 6.6 | 7.7 | 7.7 | 10.6 | 12.1 |
| Absolute minimum temperature (°C) | 9.0 | 7.5 | 7.5 | 5.4 | 4.1 | 2.9 | 2.1 | 2.2 | 2.8 | 3.1 | 6.8 | 8.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.5 | 13.5 | 12.3 | 11.1 | 10.0 | 9.5 | 9.8 | 10.7 | 11.8 | 13.1 | 14.2 | 14.8 |
| Daylight minimum duration (h) | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 10.9 | 9.9 | 7.1 | 6.4 | 5.7 | 5.5 | 5.8 | 5.8 | 8.8 | 8.3 | 9.3 | 8.7 |
| Precipitation (mm) | 24 | 50 | 69 | 72 | 97 | 138 | 75 | 82 | 54 | 88 | 46 | 122 |
| Sunny days | 18 | 16 | 9 | 10 | 6 | 3 | 6 | 4 | 14 | 6 | 16 | 10 |
| Rainy days | 13 | 12 | 22 | 20 | 25 | 27 | 25 | 27 | 16 | 25 | 14 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Birnam during the most sunny months:
The largest precipitation sum in Birnam is at