Perth Weather & Climate: Best Time to Visit
Perth is on the west coast of Australia which means you can see the sunset in the ocean. The best travel time for Perth in Australia is from January to December, where you have a pleasant and warm temperature and barely any rainfall. Perth has a Mediterranean climate due to its location on the coast and there is constant sea breeze. Winters in Perth are soft. Rain and thunderstorms occur mostly in winter.
Monthly Temperature in Perth
Depending on the time of the year, temperatures range from very warm to pleasant in Perth. Average daytime temperatures reach a very warm 32°C (90°F) in January. In July, the coolest month of the year, temperatures drop to a pleasant 18°C (64°F).
At night, temperatures range from around 19°C (66°F) in January to 9°C (48°F) in July.Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Perth
Generally, Perth has a moderate amount of precipitation, averaging 565 mm (22 in) of rainfall annually. Perth can be quite wet during July, receiving approximately 100 mm (3.9 in) of precipitation over 15 rainy days.
In contrast, during the driest month (December), you will experience much drier conditions, with 12 mm (0.5 in) of precipitation spread across 4 rainy days days. For more details, please visit our Perth Precipitation page.The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Perth
Perth can be enjoyed more throughout the sunniest month of January under a blue sky, with approximately 11.8 hours of sunshine daily. In contrast, the city experiences much darker days in June, with only 5.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Perth
The mean water temperature over the year ranges from 17°C (63°F) in August to 21°C (70°F) in March.
Water temperature over the year
Humidity in Perth by Month
The relative humidity is moderate throughout the year in Perth.
The city experiences its highest humidity in July, reaching 57%. In February, the humidity drops to its lowest level at 38%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Perth
The average wind speed over the year ranges from 5 m/s (10 knots) to 7 m/s (14 knots). It is lower in May, June and July and higher in January, February, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Perth 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Perth
During the months of April, May, June, September, October and November, Perth enjoys pleasant weather with average temperatures ranging from 19°C (67°F) to 27°C (80°F). These months are perfect for sightseeing and exploring.Rainfall during this time ranges from 23 mm (0.9 in) in November to 94 mm (3.7 in) in June. This means you can expect a mix of sunny days and occasional showers. Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.
