Weather Forecast for the region of Perth in Australia
Joondalup - Fremantle - Armadale - Rockingham - Mandurah
Average monthly weather data for the region of Perth in Australia
| Minimum Temperature | Maximum Temperature | Water Temperature | Sunshine Hours | Probability of Rain | Humidity | |
| January | 18°C 64°F | 31°C 88°F | 20°C 68°F | 11 | 10% | 50% |
| February | 18°C 64°F | 31°C 88°F | 22°C 72°F | 11 | 12% | 45% |
| March | 16°C 61°F | 30°C 86°F | 22°C 72°F | 9 | 17% | 49% |
| April | 13°C 55°F | 25°C 77°F | 22°C 72°F | 8 | 28% | 61% |
| May | 11°C 52°F | 22°C 72°F | 21°C 70°F | 7 | 49% | 70% |
| June | 9°C 48°F | 19°C 66°F | 21°C 70°F | 6 | 57% | 73% |
| July | 8°C 46°F | 18°C 64°F | 21°C 70°F | 6 | 61% | 74% |
| August | 8°C 46°F | 19°C 66°F | 20°C 68°F | 7 | 60% | 75% |
| September | 9°C 48°F | 20°C 68°F | 19°C 66°F | 7 | 51% | 73% |
| October | 11°C 52°F | 23°C 73°F | 18°C 64°F | 9 | 39% | 62% |
| November | 14°C 57°F | 26°C 79°F | 19°C 66°F | 10 | 23% | 54% |
| December | 15°C 59°F | 29°C 84°F | 20°C 68°F | 12 | 17% | 48% |
Maximum Temperature = Average maximum temperature of the recent years in Perth. The temperature may sometimes be higher or lower.
Water Temperature = Average water temperature of the recent years in Perth. The temperature may be sometimes below or above this value. On shallow beaches, the temperature will be higher in summer.
Sunshine Hours = Average number of sunshine hours per day in Perth.
Probability of Rain = The average daily probability of rain in Perth.
Humidity = The average humidity in Perth. Depending on the actual wind and the sunshine amount, the value may be higher or lower.
