Perth Weather by Month
Twelve months of Perth, Australia weather — averages from 2006–2025.
Perth's warmest month is February (average high 31°C (87.8°F)) and the coolest is July (17.1°C (62.8°F)). The most rain falls in July (about 112 mm), and December is the driest (about 12 mm). December is the sunniest, with about 13.4 hours of sunshine a day.
Best months to visit Perth
Ranked within Perth's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Perth month by month
January
GreatHigh 30.8°C (87.4°F)
Low 19.2°C (66.6°F)
- Rainfall
- 19 mm (0.8 in)
- Rainy days
- 2 rainy days
- Sunshine
- 12.7 h sunshine / day
February
GreatHigh 31°C (87.8°F)
Low 19.5°C (67.1°F)
- Rainfall
- 16 mm (0.6 in)
- Rainy days
- 2 rainy days
- Sunshine
- 12.4 h sunshine / day
March
GreatHigh 28.9°C (84°F)
Low 18.1°C (64.6°F)
- Rainfall
- 28 mm (1.1 in)
- Rainy days
- 3 rainy days
- Sunshine
- 11.1 h sunshine / day
April
GreatHigh 24.8°C (76.6°F)
Low 15.2°C (59.4°F)
- Rainfall
- 32 mm (1.2 in)
- Rainy days
- 5 rainy days
- Sunshine
- 10.1 h sunshine / day
May
GreatHigh 21.2°C (70.2°F)
Low 12.3°C (54.1°F)
- Rainfall
- 73 mm (2.9 in)
- Rainy days
- 8 rainy days
- Sunshine
- 9.1 h sunshine / day
June
GreatHigh 18.3°C (64.9°F)
Low 10.5°C (50.9°F)
- Rainfall
- 94 mm (3.7 in)
- Rainy days
- 10 rainy days
- Sunshine
- 8.6 h sunshine / day
July
GoodHigh 17.1°C (62.8°F)
Low 9.8°C (49.6°F)
- Rainfall
- 112 mm (4.4 in)
- Rainy days
- 14 rainy days
- Sunshine
- 8.5 h sunshine / day
August
GoodHigh 17.8°C (64°F)
Low 10°C (50°F)
- Rainfall
- 97 mm (3.8 in)
- Rainy days
- 12 rainy days
- Sunshine
- 9.7 h sunshine / day
September
GreatHigh 19.1°C (66.4°F)
Low 10.7°C (51.3°F)
- Rainfall
- 55 mm (2.2 in)
- Rainy days
- 8 rainy days
- Sunshine
- 10.8 h sunshine / day
October
GreatHigh 22.2°C (72°F)
Low 12.7°C (54.9°F)
- Rainfall
- 34 mm (1.3 in)
- Rainy days
- 6 rainy days
- Sunshine
- 11.5 h sunshine / day
November
GreatHigh 25.6°C (78.1°F)
Low 15.2°C (59.4°F)
- Rainfall
- 20 mm (0.8 in)
- Rainy days
- 4 rainy days
- Sunshine
- 13 h sunshine / day
December
GreatHigh 28.9°C (84°F)
Low 17.6°C (63.7°F)
- Rainfall
- 12 mm (0.5 in)
- Rainy days
- 2 rainy days
- Sunshine
- 13.4 h sunshine / day
More Australia cities by month
Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.