Perth, Australia Weather
Perth hourly forecast: next 24 hours
Today's high of 59°F (15°C) is about 5°F (3°C) below the typical August high of 64°F (18°C).
Current conditions in detail
Perth weather tomorrow (Tuesday, August 11)
Tomorrow in Perth looks sunny, with a high of 58° and an overnight low of 44°. Precipitation chance is modest at 36%. Winds top out near 10 mph, and the UV index reaches 4 (moderate).
Perth 14-day forecast
About the weather in Perth
Weather in Perth is shaped by its Mediterranean climate - expect hot, dry summers and mild, wetter winters. February afternoons typically reach 86°F (30°C), while August highs hover near 64°F (18°C). Annual precipitation averages 25.3 inches (642 mm) over about 82 rainy days.
Perth weather: quick facts
- Hottest month: February - highs near 86°F (30°C)
- Coldest month: August - highs near 64°F (18°C)
- Record high: 112°F (44°C) · Record low: 38°F (3°C) (2015–2024)
- Wettest month: July (15 rainy days) · Sunniest: December (13.4 h sun/day)
- Climate type: Mediterranean - hot, dry summers and mild, wetter winters
Temperatures through the year
The warmest stretch of the year centers on February. Highs average 86°F (30°C) and overnight lows stay near 67°F (19°C). The coolest month is August, with typical highs of 64°F (18°C) and lows around 50°F (10°C). Based on 2015–2024 weather data, temperatures have reached as high as 112°F (44°C) and dropped as low as 38°F (3°C).
Rain, sun and snow
July is usually the wettest month. It brings about 4.6 inches (117 mm) of rain over 15 days, while December is the driest. December brings the most sunshine, averaging 13.4 hours of sun a day.
Season by season
Spring (September through November)
Spring in Perth is pleasantly warm, with daytime highs averaging 72°F (22°C) and nights around 55°F (13°C); rain falls on about 18 days over the three months.
Summer (December through February)
Summer in Perth runs hot, with daytime highs averaging 85°F (30°C) and nights around 65°F (19°C); precipitation is infrequent.
Fall (March through May)
Fall in Perth brings comfortable warmth, with daytime highs averaging 76°F (25°C) and nights around 59°F (15°C); expect showers on roughly 18 days across the season.
Winter (June through August)
Winter in Perth is crisp but comfortable, with daytime highs averaging 64°F (18°C) and nights around 51°F (10°C); expect showers on roughly 41 days across the season.
Average temperatures in Perth by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 86° | 66° | 2 | 0.9 in | 12.8 h/day | 53% |
| February | 86° | 67° | 2 | 0.8 in | 12.3 h/day | 56% |
| March | 83° | 65° | 5 | 1.6 in | 10.9 h/day | 60% |
| April | 76° | 59° | 6 | 1.6 in | 10.0 h/day | 65% |
| May | 70° | 54° | 8 | 3.1 in | 9.0 h/day | 69% |
| June | 65° | 51° | 12 | 4.1 in | 8.5 h/day | 75% |
| July | 63° | 51° | 15 | 4.6 in | 8.4 h/day | 76% |
| August | 64° | 50° | 13 | 4.2 in | 9.5 h/day | 75% |
| September | 67° | 51° | 7 | 1.7 in | 10.8 h/day | 72% |
| October | 71° | 55° | 6 | 1.5 in | 11.4 h/day | 68% |
| November | 78° | 59° | 4 | 0.9 in | 12.9 h/day | 61% |
| December | 83° | 64° | 2 | 0.3 in | 13.4 h/day | 54% |