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Monthly climate in Port Denison, Western Australia, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Port Denison features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 15 °C (59 °F) and 26 °C (79 °F) through the year, but rarely can drop to 5 °C (41 °F) or can rise to as high as 45 °C (112 °F). The average annual precipitation amounts to about 299 mm (11.8 inches) and receives 40 rainy days on the 1 mm (0.04 inches) threshold annually. Port Denison enjoys an average of 3721 hours of sunshine throughout the year, and daylight varies from 10 hours 17 minutes to 13 hours 58 minutes per day.

Monthly average temperatures in Port Denison, Western Australia, Australia §

The warmest months in Port Denison are January, February and March, with daily mean temperatures ranging from 25 to 26 °C (78 - 79 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 15 to 16 °C (59 - 60 °F) throughout the day. On average each year, Port Denison experiences 181 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Port Denison, Western Australia, Australia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 43°C
(109°F)		 43°C
(110°F)		 40°C
(105°F)		 38°C
(101°F)		 33°C
(92°F)		 29°C
(85°F)		 25°C
(78°F)		 31°C
(87°F)		 33°C
(92°F)		 38°C
(100°F)		 39°C
(103°F)		 45°C
(112°F)
Mean maximum 41°C
(107°F)		 41°C
(105°F)		 39°C
(102°F)		 37°C
(98°F)		 31°C
(87°F)		 25°C
(78°F)		 24°C
(75°F)		 26°C
(80°F)		 31°C
(88°F)		 35°C
(95°F)		 38°C
(100°F)		 41°C
(107°F)
Average high 33°C
(92°F)		 33°C
(91°F)		 32°C
(89°F)		 28°C
(83°F)		 24°C
(76°F)		 21°C
(70°F)		 19°C
(67°F)		 19°C
(67°F)		 22°C
(72°F)		 25°C
(77°F)		 28°C
(83°F)		 32°C
(89°F)
Daily mean 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 22°C
(72°F)		 18°C
(65°F)		 16°C
(60°F)		 15°C
(59°F)		 15°C
(59°F)		 16°C
(62°F)		 19°C
(66°F)		 22°C
(71°F)		 25°C
(77°F)
Average low 20°C
(68°F)		 21°C
(70°F)		 20°C
(69°F)		 17°C
(63°F)		 14°C
(57°F)		 12°C
(54°F)		 11°C
(53°F)		 11°C
(52°F)		 12°C
(53°F)		 14°C
(57°F)		 16°C
(61°F)		 19°C
(66°F)
Mean minimum 15°C
(59°F)		 15°C
(60°F)		 14°C
(58°F)		 12°C
(54°F)		 9°C
(48°F)		 8°C
(47°F)		 8°C
(46°F)		 7°C
(44°F)		 7°C
(45°F)		 9°C
(49°F)		 11°C
(52°F)		 13°C
(56°F)
Minimum 13°C
(56°F)		 14°C
(58°F)		 13°C
(55°F)		 10°C
(50°F)		 5°C
(41°F)		 6°C
(44°F)		 7°C
(45°F)		 5°C
(42°F)		 6°C
(43°F)		 7°C
(45°F)		 10°C
(50°F)		 11°C
(52°F)

Compare climate in Port Denison with other places

Compare temperature, precipitation, sunshine, UV index in Port Denison, Western Australia, Australia with other places around the world.

Monthly average precipitation in Port Denison, Western Australia, Australia §

Port Denison usually has the most precipitation in June, July and August, with an average of 6 rainy days and 52 mm (2.0 inches) of precipitation per month. The driest months in Port Denison are March, April and December. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port Denison, Western Australia, Australia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 18 (0.7) 34 (1.3) 7 (0.3) 12 (0.5) 24 (0.9) 52 (2.0) 52 (2.1) 50 (2.0) 14 (0.5) 18 (0.7) 13 (0.5) 6 (0.2)
Average precipitation days (≥ 1 mm) 1 3 1 1 4 6 7 7 4 3 2 1

Monthly sunshine hours in Port Denison, Western Australia, Australia §

The sunniest months in Port Denison are October, November and December, when the sun shines an average of 11 hours 30 minutes a day. Least sunny months in Port Denison: May, June and July receive an average of 9 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port Denison, Western Australia, Australia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 301 311 320 293 285 269 281 294 303 336 347 375
Mean daily daylight hours 13h 45m 13h 5m 12h 13m 11h 21m 10h 38m 10h 17m 10h 27m 11h 5m 11h 54m 12h 47m 13h 34m 13h 58m

Solar UV radiation in Port Denison, Western Australia, Australia §

Port Denison experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Port Denison UV Index data.

Average daily maximum UV levels by month for Port Denison, Western Australia, Australia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 15 14 12 10 7 5 5 7 9 12 14 14

Detailed Monthly Weather Insights for Port Denison, Western Australia, Australia

Discover in-depth weather details for every month in Port Denison. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Port Denison's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.