Climate normals · 1970–2000
Perth Climate
Perth is a city in Australia (08) with a population of about 2,384,371. Its average annual temperature is 18.8°C (66°F), with roughly 759 mm of rain per year.
18.8°C
Avg Temp
759
Precip (mm/yr)
Feb
Hottest Month
Jul
Coldest Month
Perth Climate
Perth has an average annual temperature of 18.8°C (66°F) and receives about 759 mm of precipitation per year. The warmest month is February and the coldest is July. Figures are 1970–2000 climate normals.
18.8°C
Avg Temp
759
Precip (mm/yr)
Feb
Hottest Month
Jul
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 24° / 76° | 13 mm |
| February | 25° / 77° | 17 mm |
| March | 23° / 74° | 16 mm |
| April | 20° / 68° | 37 mm |
| May | 17° / 62° | 98 mm |
| June | 15° / 58° | 153 mm |
| July | 14° / 57° | 158 mm |
| August | 14° / 57° | 113 mm |
| September | 15° / 59° | 76 mm |
| October | 17° / 62° | 45 mm |
| November | 20° / 67° | 25 mm |
| December | 22° / 72° | 8 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Perth
The most comfortable months to visit Perth are typically December, November and April, when temperatures are mildest and rainfall is relatively low. The hottest month is February (around 31°C high). The coldest is July (near 10°C low). July is usually the wettest month.
Where to stay near Perth
Planning a trip to Perth? Compare hotels and short-term rentals — live availability and prices.
Top-rated places to stay near Perth
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Perth?
Get climate tips and the best lodging deals for Perth by email. No spam, unsubscribe anytime.
Other cities in Australia
Frequently Asked Questions
The most comfortable months to visit Perth are typically December, November and April, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Perth, Australia has an average annual temperature of 18.8°C and about 759 mm of precipitation per year. The warmest month is February and the coldest is July.
In February, the hottest month, daily highs in Perth average about 31°C (88°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.