Perth weather in March
March in Perth: hot, dry, with clean air — an excellent time to visit.
#7 of 12 months in Perth · #106 of 604 destinations to visit in March · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Perth climate normals — March
| Daytime high | 29°C / 84°F | 🥵 hot |
|---|---|---|
| Nighttime low | 18°C / 65°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 21 mm / 0.8 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 58% | 🍃 comfortable |
| Dew point | 13°C / 56°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 12.3 h | |
| Wind | 25 km/h / 15 mph | |
| Air quality (US AQI) | 23 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Perth in March — FAQ
- Is March a good time to visit Perth?
- March in Perth: hot, dry, with clean air — an excellent time to visit. It ranks #7 of 12 months for Perth on SeasonMap's comfort score (86/100).
- What is the weather like in Perth in March?
- In March, Perth averages a daily high of 28.9°C and a low of 18.3°C, with about 21.4 mm of rain over roughly 4.6 rainy days.
- What is the air quality in Perth in March?
- Perth has a mean US Air Quality Index of about 23 in March.