Port Denison Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Port Denison.
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. 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 days. For more details, please visit our Port Denison Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Best Time to Visit Port Denison
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.
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 3-Day Forecast
Port Denison on the map
Port Denison is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
An alternative way to discover Sydney
We have made an overview of the sights in Sydney that you must see if you want to visit Sydney in an alternative way.
The most relaxed and alternative area of Australia is called the Byron Shire
The Byron Shire is one of the most pretty areas in the world. Not only in terms on natural beauty, also the relaxed vibe and people make this an area that remains close to your heart.
Sail the Whitsunday islands
The best travel period to sail the Whitsunday islands is “winter” between June and October, with pleasant temperatures around 23 degrees Celsius (74 Fahrenheit).
The best dive spots in Australia
Explore Australia's best dive spots: from the Great Barrier Reef to HMAS Perth. Discover vibrant corals, marine life, and historic wrecks.