An alternative way to discover Sydney
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Hillarys Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hillarys.
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Climate overview of Hillarys
Hillarys, Western Australia, Australia, experiences significant temperature variation throughout the year. Summers bring daytime highs of 30°C (86°F) in February, while winters cool to 19°C (66°F) in July.
Annual rainfall is moderate at around 591 mm (23 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.
Hillarys Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hillarys - and find the best time to visit.
Monthly Temperature in Hillarys
Depending on the time of the year, temperatures range from very warm to pleasant in Hillarys. Average daytime temperatures reach a very warm 30°C (86°F) in February. In July, the coolest month of the year, temperatures drop to a pleasant 19°C (66°F).
At night, temperatures range from around 20°C (68°F) in February to 11°C (52°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hillarys
Generally, Hillarys has a moderate amount of precipitation, averaging 591 mm (23 in) of rainfall annually. Hillarys can be quite wet during July, receiving approximately 108 mm (4.3 in) of precipitation over 15 rainy days.
In contrast, during the driest month (December), you will experience much drier conditions, with 11 mm (0.4 in) of precipitation spread across 4 rainy days. For more details, please visit our Hillarys 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 Hillarys
Hillarys 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
Data from: Perth, Australia (23 KM, 14 Miles).
Daily hours of sunshine
Data from: Perth, Australia (23 KM, 14 Miles).
Water Temperature in Hillarys
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
Data from: Perth, Australia (23 KM, 14 Miles).
Humidity in Hillarys by Month
The relative humidity is moderate throughout the year in Hillarys.
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
Data from: Perth, Australia (23 KM, 14 Miles).
Wind Speed in Hillarys
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)
Data from: Perth, Australia (23 KM, 14 Miles).
Best Time to Visit Hillarys
For comfortable weather, consider visiting Hillarys in March, April, May, September, October, November and December. Conditions are usually least favourable in July.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very good
Feb
very good
Mar
excellent
Apr
excellent
May
excellent
Jun
very good
Jul
good
Aug
very good
Sep
excellent
Oct
excellent
Nov
excellent
Dec
excellent
- 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 Hillarys
What is the best time to visit Hillarys?
March, April, May, September, October, November and December typically offer the most optimal weather in Hillarys. In contrast, July tends to have less optimal conditions. Hillarys has a distinct dry season from October to April, with very warm summers and pleasant winters.
What temperatures can I expect in Hillarys?
Daytime highs range from 19°C (66°F) in July to 30°C (86°F) in February. Nighttime lows range from 11°C (52°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Hillarys get?
Annual rainfall is around 591 mm (23 in). July is the wettest month with 108 mm (4.3 in), while December is the driest with 11 mm (0.4 in).
How sunny is Hillarys?
Hillarys 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, Hillarys enjoys abundant sunshine.
Hillarys 3-Day Forecast
Hillarys on the map
Hillarys is highlighted - select any city to see its climate.
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