Perth, AustraliaQuick decision
When to visit Perth?
🌞 Best time overall
December
🌡️ Optimal temperature
18°C–28°C in December
🌧 Least rain
6% rainy days in December
🌧 Wettest month
July (50%)
📅 Best score
9.9/10
By trip type
Best time by type of trip
BeachesNovember–March — Cottesloe, Scarborough and white sand beaches.
Rottnest IslandSeptember–May — quokkas, cycling and snorkelling.
Swan ValleyMarch–May — vineyards, breweries and local producers 25 min away.
Kings ParkSeptember–November — wildflowers, CBD views and the river.
Monthly climate data
Perth weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ☀️ January | 19°C | 30°C | 5% | 0.7 | 13.1h | 9.1/10 |
| ☀️ February | 19°C | 30°C | 8% | 0.8 | 13.0h | 9.0/10 |
| ☀️ March | 18°C | 28°C | 15% | 1.3 | 11.5h | 9.0/10 |
| 🌤️ April | 15°C | 24°C | 20% | 1.1 | 10.7h | 8.2/10 |
| 🌤️ May | 12°C | 21°C | 26% | 2.7 | 9.9h | 7.5/10 |
| 🌤️ June | 11°C | 18°C | 43% | 4.0 | 9.2h | 7.0/10 |
| 🌦️ July | 10°C | 17°C | 50% | 4.0 | 9.2h | 6.4/10 |
| 🌦️ August | 10°C | 17°C | 43% | 3.9 | 10.4h | 7.0/10 |
| 🌤️ September | 11°C | 19°C | 27% | 1.7 | 11.2h | 7.4/10 |
| 🌤️ October | 12°C | 21°C | 23% | 1.4 | 12.0h | 7.9/10 |
| 🌤️ November | 15°C | 24°C | 13% | 0.7 | 13.4h | 8.9/10 |
| ☀️ December | 18°C | 28°C | 6% | 0.3 | 13.8h | 9.9/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 24°C, 20% rainy days, 10.7h sunshine/day. Score: 8.2/10.
☀️ Summer (Jun–Aug) — Acceptable
Average 17°C, 45% rainy days, 9.6h sunshine/day. Score: 6.8/10.
🍂 Autumn (Sep–Nov) — Good time
Average 21°C, 21% rainy days, 12.2h sunshine/day. Score: 8.1/10.
❄️ Winter (Dec–Feb) — Excellent time
Average 29°C, 6% rainy days, 13.3h sunshine/day. Score: 9.3/10.
Accommodation
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Check availability during the recommended period
Tip : April, May offer a good weather/price balance — decent score with fewer crowds.
Search on Hotels.comActivities & tours
Activities and tours in Perth
Guided tours, skip-the-line tickets and local experiences.
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
December is ideal with 6% rainy days and 28°C.
July is the wettest month with 50% rainy days.
Yes, December is the best month with an average of 28°C.
In winter, the average score is 9.3/10. Acceptable conditions for cultural visits.
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