Perth Weather Averages
Climate averages for Perth based on 10 years of historical data.
Annual avg temp
19.0°C
Annual avg high
24.0°C
Annual avg low
14.7°C
Record high
44°C
Record low
5°C
Annual rainfall
670 mm
Rainy days
79
Sunshine
6.1h/day
Luftfuktighet
58%
Average Perth temperatures by month
Avg high
Avg low
Average rainfall in Perth by month
Rainfall (mm)
Sunshine hours in Perth by month
Sunshine (h/day)
Humidity in Perth by month
Average humidity
Sea temperature in Perth by month
Sea temp
Month-by-month averages
| Month | Avg High | Avg Low | Rainfall | Sunshine | Sea Temp |
|---|---|---|---|---|---|
| Vær i januar | 31°C | 19°C | 26 mm | 9.9h | 24.0°C |
| Vær i februar | 31°C | 20°C | 25 mm | 8.5h | 24.1°C |
| Vær i mars | 29°C | 19°C | 37 mm | 6.9h | 23.1°C |
| Vær i april | 25°C | 16°C | 39 mm | 5.7h | 20.9°C |
| Vær i mai | 21°C | 13°C | 83 mm | 4.7h | 19.5°C |
| Vær i juni | 18°C | 11°C | 108 mm | 3.5h | 18.1°C |
| Vær i juli | 17°C | 11°C | 122 mm | 2.6h | 16.9°C |
| Vær i august | 17°C | 10°C | 110 mm | 3.4h | 17.2°C |
| Vær i september | 19°C | 11°C | 50 mm | 4.6h | 18.1°C |
| Vær i oktober | 23°C | 13°C | 40 mm | 5.7h | 19.6°C |
| Vær i november | 26°C | 16°C | 22 mm | 7.6h | 21.2°C |
| Vær i desember | 30°C | 18°C | 8 mm | 9.5h | 23.0°C |