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Port Denison Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Port Denison.
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Climate overview of Port Denison
The climate in Port Denison, Western Australia, Australia, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in February to 20°C (68°F) in July.
With around 345 mm (14 in) of annual rainfall, Port Denison has a fairly dry climate. However, it has a distinct dry season from September to April, with very warm summers and pleasant winters. The wettest month is July, while December sees the least rain.
Port Denison Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Port Denison - and find the best time to visit.
Monthly Temperature in Port Denison
In Port Denison, temperatures differ significantly between summer and winter months. 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 20°C (68°F).
At night, temperatures range from around 22°C (72°F) in February to 12°C (54°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Port Denison
Port Denison tends toward drier weather patterns, receiving approximately 345 mm (14 in) of rain per year. Port Denison can be quite wet during July, receiving approximately 63 mm (2.5 in) of precipitation over 12 rainy days.
In contrast, during the driest month (December), you will experience much drier conditions, with 6.6 mm (0.3 in) of precipitation spread across 3 rainy days. For more details, please visit our Port Denison Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Port Denison
The most comfortable overall weather for exploring Port Denison is usually found in April, May, June, July, August, September, October and November. Conditions are generally least comfortable in January, February, March and December.
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
very good
Apr
excellent
May
excellent
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
excellent
Nov
excellent
Dec
very good
- Best overall: April, May, June, July, August, September, October and November
- Warmest weather: January and February
- Fewest rainy days: January, February, November and December
- Seasonal pattern: A distinct dry season from September to April, with very warm summers and pleasant winters
Frequently asked questions about the climate in Port Denison
What is the best time to visit Port Denison?
April, May, June, July, August, September, October and November typically offer the most optimal weather in Port Denison. In contrast, January, February, March and December tend to have less optimal conditions. Port Denison has a distinct dry season from September to April, with very warm summers and pleasant winters.
What temperatures can I expect in Port Denison?
Daytime highs range from 20°C (68°F) in July to 32°C (90°F) in February. Nighttime lows range from 12°C (54°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does Port Denison get?
Annual rainfall is around 345 mm (14 in). July is the wettest month with 63 mm (2.5 in), while December is the driest with 6.6 mm (0.3 in).
Port Denison 3-Day Forecast
Port Denison on the map
Port Denison is highlighted - select any city to see its climate.
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