Harrisdale Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Harrisdale.
Climate overview of Harrisdale
Temperatures in Harrisdale, Western Australia, Australia, vary greatly throughout the year. February is the hottest month at 32°C (90°F), while July is the coldest at 18°C (64°F).
Annual rainfall is moderate at around 598 mm (24 in), with July being the wettest month. The city also has a distinct dry season from October to April, with very warm summers and pleasant winters. The sunniest month is January, with 11.8 hours of sunshine per day on average.
Harrisdale Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Harrisdale - and find the best time to visit.
Monthly Temperature in Harrisdale
The climate in Harrisdale is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a very warm 32°C (90°F) in February. 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 February to 9°C (48°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Harrisdale
Generally, Harrisdale receives mid-range precipitation levels, with 598 mm (24 in) annually. Harrisdale can be quite wet during July, receiving approximately 106 mm (4.2 in) of precipitation over 15 rainy days.
In contrast, during the driest month (December), you will experience much drier conditions, with 13 mm (0.5 in) of precipitation spread across 4 rainy days. For more details, please visit our Harrisdale 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 Harrisdale
Harrisdale 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 Harrisdale
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 Harrisdale by Month
The relative humidity is moderate throughout the year in Harrisdale.
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 Harrisdale
The mean wind speed varies between 5 m/s (10 knots) and 7 m/s (14 knots) throughout the year. It is lowest in May, June and July and highest during January, February, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Harrisdale
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: March, April, May, September, October, November and December
- Warmest weather: January and February
- Most sunshine: January and December
- Fewest rainy days: January, November and December
- Best for swimming: January, February, March, April and May.
- Wettest months: May, June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct dry season from October to April, with very warm summers and pleasant winters
Frequently asked questions about the climate in Harrisdale
What is the best time to visit Harrisdale?
March, April, May, September, October, November and December typically offer the most optimal weather in Harrisdale. In contrast, June and July tend to have less optimal conditions. Harrisdale has a distinct dry season from October to April, with very warm summers and pleasant winters.
What temperatures can I expect in Harrisdale?
Daytime highs range from 18°C (64°F) in July to 32°C (90°F) in February. Nighttime lows range from 9°C (48°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Harrisdale get?
Annual rainfall is around 598 mm (24 in). July is the wettest month with 106 mm (4.2 in), while December is the driest with 13 mm (0.5 in).
How sunny is Harrisdale?
Harrisdale receives around 3,224 hours of sunshine per year. January is the sunniest month with 355 hours, while June is the cloudiest with just 178 hours. Overall, Harrisdale enjoys abundant sunshine.
Harrisdale 3-Day Forecast
Harrisdale on the map
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