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Best time to visit Perth: month by month
Short answer
September to November is ideal, with warm days of about 20–25°C and wildflowers (the Kings Park Festival in September). December to March is hot and dry (about 28–31°C on average, often 35–40°C), cooled by the afternoon sea breeze called the Fremantle Doctor; June to August is mild and wet at about 17–18°C.
Month by month
| Month | High | Low | Rainy days | Crowds |
|---|---|---|---|---|
| Jan | 31°C | 20°C | 0 | very high |
| Feb | 30°C | 19°C | 2 | high |
| Mar | 28°C | 18°C | 6 | high |
| Apr | 24°C | 14°C | 8 | medium |
| May | 21°C | 12°C | 9 | low |
| Jun | 17°C | 10°C | 14 | low |
| Jul | 17°C | 11°C | 17 | low |
| Aug | 18°C | 9°C | 11 | low |
| Sep | 20°C | 11°C | 11 | medium |
| Oct | 21°C | 12°C | 8 | high |
| Nov | 25°C | 15°C | 4 | high |
| Dec | 29°C | 18°C | 2 | very high |
Temperatures and rainy days: Copernicus ERA5 averages, 2021–2023. Crowd levels are our estimate.
Season by season
Spring (Sep–Nov)
Highs rise from about 20°C in September to 25°C in November, with fewer rainy days; wildflower season across Western Australia.
Summer (Dec–Feb)
Hot and dry: highs of about 29–31°C on average, with heatwaves of 35–40°C, almost no rain and long beach days.
Autumn (Mar–May)
March is still warm at about 28°C; April (about 24°C) and May (about 21°C) are pleasant and quieter.
Winter (Jun–Aug)
Mild and wet, with highs of about 17–18°C and 11–17 rainy days a month; few crowds and lower prices.
Events worth planning around
- Kings Park Festival and wildflowers (September)
- Perth Festival of arts (February–March)
- Sculpture by the Sea at Cottesloe (March)
- Fringe World Festival (January–February)
When to avoid
Heatwaves from late December to February can make day trips exhausting, and the school holidays fill hotels; in June and July rain is frequent.
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Common questions
What is the best time to visit Perth?
September to November for wildflowers and warm days, or March to April for warm sea and fewer crowds.
How hot is Perth in summer?
Average highs are about 29–31°C, with heatwaves above 35°C; the afternoon sea breeze helps on the coast.
Is Perth good in winter?
It is mild at about 17–18°C but wet; good for museums, wine regions and lower prices.