Average annual temperature is 13.8 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -12.5 °C
Number of sunny days: 189 days
Number of rainy days: 169 days
Number of snow days: 7 days
Look at detailed online map of Hornsby
* Weather data for Hornsby United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 20.1 | 19.4 | 21.8 | 27.9 | 31.0 | 34.0 | 36.0 | 36.2 | 31.9 | 30.0 | 25.7 | 16.8 |
| Average daytime temperature (°C) | 7.3 | 10.3 | 11.9 | 19.7 | 25.4 | 29.1 | 30.3 | 28.6 | 26.4 | 19.6 | 13.3 | 9.1 |
| Average temperature (°C) | 2.7 | 4.3 | 6.0 | 13.0 | 19.1 | 23.1 | 25.0 | 23.9 | 21.0 | 14.7 | 7.7 | 4.9 |
| Average night temperature (°C) | -0.4 | -0.2 | 1.6 | 7.4 | 13.3 | 17.4 | 20.4 | 19.6 | 16.3 | 10.6 | 3.3 | 2.0 |
| Absolute minimum temperature (°C) | -12.5 | -11.9 | -8.5 | -0.6 | 5.6 | 11.4 | 16.2 | 12.6 | 10.8 | -2.1 | -7.2 | -6.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.0 | 7.6 | 7.0 | 10.2 | 11.4 | 12.8 | 12.3 | 10.1 | 10.3 | 7.6 | 7.7 | 5.2 |
| Precipitation (mm) | 88 | 66 | 156 | 41 | 105 | 119 | 108 | 101 | 31 | 94 | 16 | 82 |
| Sunny days | 16 | 16 | 12 | 15 | 19 | 19 | 9 | 9 | 19 | 17 | 22 | 16 |
| Rainy days | 10 | 11 | 19 | 15 | 12 | 11 | 22 | 22 | 11 | 14 | 8 | 14 |
| Snow days | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Hornsby during the most sunny months:
The largest precipitation sum in Hornsby is at