Average annual temperature is 13.9 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: -1.0 °C
Number of sunny days: 147 days
Number of rainy days: 218 days
Look at detailed online map of Harrow
* Weather data for Harrow 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) | 37.0 | 37.8 | 28.1 | 24.2 | 19.1 | 18.3 | 15.4 | 21.0 | 27.2 | 29.3 | 32.7 | 34.8 |
| Average daytime temperature (°C) | 28.1 | 26.4 | 22.4 | 18.4 | 14.7 | 12.9 | 12.7 | 14.3 | 17.7 | 18.0 | 22.4 | 23.5 |
| Average temperature (°C) | 20.4 | 19.3 | 16.3 | 13.7 | 10.5 | 9.9 | 9.1 | 9.9 | 12.3 | 12.4 | 15.9 | 17.4 |
| Average night temperature (°C) | 13.8 | 13.3 | 11.6 | 9.9 | 7.1 | 7.5 | 6.1 | 6.2 | 7.6 | 7.4 | 10.4 | 12.4 |
| Absolute minimum temperature (°C) | 9.8 | 8.4 | 8.3 | 4.7 | 1.6 | 1.3 | -0.2 | -1.0 | 2.1 | 3.1 | 4.8 | 7.2 |
| 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) | 14.4 | 13.5 | 12.3 | 11.1 | 10.1 | 9.6 | 9.9 | 10.7 | 11.9 | 13.0 | 14.1 | 14.7 |
| Daylight minimum duration (h) | 13.0 | 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) | 12.1 | 10.4 | 8.7 | 6.3 | 5.9 | 4.9 | 5.4 | 6.8 | 9.4 | 9.4 | 10.8 | 9.8 |
| Precipitation (mm) | 12 | 25 | 24 | 82 | 46 | 97 | 47 | 38 | 35 | 33 | 34 | 100 |
| Sunny days | 24 | 17 | 10 | 9 | 5 | 4 | 11 | 9 | 15 | 11 | 22 | 10 |
| Rainy days | 7 | 11 | 21 | 21 | 26 | 26 | 20 | 22 | 15 | 20 | 8 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Harrow during the most sunny months:
The largest precipitation sum in Harrow is at