Average annual temperature is 17.4 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 2.7 °C
Number of sunny days: 157 days
Number of rainy days: 208 days
Look at detailed online map of Willoughby
* Weather data for Willoughby 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) | 29.7 | 32.5 | 35.8 | 25.0 | 22.3 | 21.5 | 24.4 | 24.9 | 33.8 | 34.9 | 28.9 | 39.1 |
| Average daytime temperature (°C) | 25.0 | 26.2 | 26.3 | 21.5 | 18.6 | 17.7 | 18.6 | 19.0 | 22.8 | 24.6 | 23.3 | 26.7 |
| Average temperature (°C) | 21.3 | 22.0 | 21.6 | 17.2 | 13.2 | 12.3 | 12.5 | 13.2 | 16.4 | 18.2 | 19.4 | 22.0 |
| Average night temperature (°C) | 18.0 | 18.1 | 17.8 | 13.4 | 9.0 | 8.1 | 7.6 | 8.5 | 10.5 | 12.6 | 15.9 | 18.2 |
| Absolute minimum temperature (°C) | 13.5 | 14.3 | 13.4 | 10.0 | 5.8 | 2.8 | 2.7 | 5.2 | 6.1 | 8.3 | 11.1 | 14.6 |
| 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 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.1 | 13.3 | 12.3 | 11.2 | 10.4 | 9.9 | 10.1 | 10.9 | 11.9 | 12.9 | 13.9 | 14.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 10.6 | 11.1 | 9.3 | 9.0 | 8.8 | 7.9 | 8.6 | 9.1 | 10.5 | 11.2 | 10.3 | 11.2 |
| Precipitation (mm) | 170 | 96 | 99 | 83 | 30 | 19 | 22 | 41 | 18 | 42 | 132 | 118 |
| Sunny days | 5 | 10 | 9 | 8 | 19 | 21 | 21 | 12 | 21 | 17 | 7 | 7 |
| Rainy days | 26 | 18 | 22 | 22 | 12 | 9 | 10 | 19 | 9 | 14 | 23 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Willoughby is at