Month summary
Perth weather in May
✅ Good
🌡️ Temperature min / max
12°C – 21°C
🌧 Rainy days
26% of days
☀️ Sunshine
9.9h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.5/10
📅 📅 Best month
December (9.9/10)
Quick decision
Should you visit Perth in May?
✅ Good
✅ Yes if: you want to explore the city on foot without suffering from heat.
❌ No if: you're looking for a beach destination — water and air are still cool.
Our take: May is a good time to visit Perth. December remains slightly better (+2.4 pts).
By trip type
Perth in May by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in May
🎯 Quiet uncrowded beaches — ideal for coastal walks Spring marks the start of the good season in Perth. Temperatures rise (21°C) and tourists have not yet arrived en masse. Expect rain on 26% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if December (9.9/10) remains theoretically better.
Browse by month
All months for Perth
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | 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
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In May, Perth averages 21°C, 26% rainy days and 9.9h of sunshine per day. Overall weather score: 7.5/10.
See methodology →
Comparison
May vs December (best month)
The best month is December (score 9.9/10). Difference:
- 🌡️ Max temperature : +7°C
- 🌧 Rainy days : -20%
- ☀️ Sunshine : +3.9h/day
FAQ
FAQ — Perth in May
Is May a good time to visit Perth?
May is an excellent time to visit Perth (score 7.5/10). With 21°C, 9.9h of sunshine and 26% rain, conditions are very favourable.
What to do in Perth in May?
With 21°C max and 9.9h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
Find a place to stay in Perth
Find places to stay in Perth in May
Search on Hotels.com
Activities & tours
Activities and tours in Perth
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to Perth
Compare flights from all airlines.
Search flights
←
Explore also
Similar destinations in May
🌍 Top destinations
Other top destinations in May
Weather rankings
Compare destinations by weather
Guides & comparisons