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Monthly climate in Dunsborough, Western Australia, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Dunsborough features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 15 °C (59 °F) and 20 °C (69 °F) through the year, but rarely can drop to 10 °C (50 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 706 mm (27.8 inches) and receives 96 rainy days on the 1 mm (0.04 inches) threshold annually. Dunsborough enjoys an average of 3612 hours of sunshine throughout the year, and daylight varies from 9 hours 56 minutes to 14 hours 19 minutes per day.

Monthly average temperatures in Dunsborough, Western Australia, Australia §

The warmest months in Dunsborough are January, February and March, with daily mean temperatures ranging from 20 to 20 °C (68 - 69 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 15 to 16 °C (59 - 61 °F) throughout the day. On average each year, Dunsborough experiences 5 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 Dunsborough, 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 27°C
(80°F)		 26°C
(80°F)		 26°C
(79°F)		 25°C
(77°F)		 22°C
(72°F)		 21°C
(70°F)		 21°C
(69°F)		 19°C
(67°F)		 20°C
(69°F)		 22°C
(72°F)		 24°C
(76°F)		 29°C
(84°F)
Mean maximum 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 23°C
(74°F)		 22°C
(71°F)		 20°C
(68°F)		 19°C
(67°F)		 19°C
(66°F)		 19°C
(67°F)		 21°C
(70°F)		 22°C
(72°F)		 25°C
(78°F)
Average high 22°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)		 20°C
(69°F)		 19°C
(66°F)		 18°C
(64°F)		 17°C
(63°F)		 16°C
(61°F)		 16°C
(62°F)		 17°C
(63°F)		 19°C
(66°F)		 21°C
(70°F)
Daily mean 20°C
(68°F)		 20°C
(69°F)		 20°C
(69°F)		 19°C
(66°F)		 18°C
(64°F)		 17°C
(62°F)		 16°C
(61°F)		 15°C
(59°F)		 15°C
(60°F)		 16°C
(61°F)		 17°C
(63°F)		 19°C
(67°F)
Average low 18°C
(65°F)		 18°C
(66°F)		 19°C
(66°F)		 18°C
(64°F)		 16°C
(62°F)		 16°C
(60°F)		 15°C
(59°F)		 14°C
(57°F)		 14°C
(57°F)		 14°C
(58°F)		 15°C
(60°F)		 17°C
(64°F)
Mean minimum 16°C
(60°F)		 16°C
(61°F)		 16°C
(61°F)		 15°C
(59°F)		 13°C
(56°F)		 13°C
(55°F)		 12°C
(54°F)		 11°C
(52°F)		 11°C
(52°F)		 12°C
(54°F)		 13°C
(55°F)		 14°C
(57°F)
Minimum 14°C
(57°F)		 15°C
(60°F)		 14°C
(58°F)		 12°C
(53°F)		 12°C
(54°F)		 10°C
(50°F)		 12°C
(53°F)		 10°C
(51°F)		 10°C
(50°F)		 11°C
(52°F)		 12°C
(54°F)		 13°C
(56°F)

Compare climate in Dunsborough with other places

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

Monthly average precipitation in Dunsborough, Western Australia, Australia §

Dunsborough usually has the most precipitation in June, July and August, with an average of 16 rainy days and 126 mm (5.0 inches) of precipitation per month. The driest months in Dunsborough are January, November and December. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dunsborough, 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) 7 (0.3) 37 (1.5) 35 (1.4) 33 (1.3) 83 (3.2) 124 (4.9) 139 (5.5) 116 (4.6) 55 (2.2) 44 (1.7) 20 (0.8) 13 (0.5)
Average precipitation days (≥ 1 mm) 1 2 4 5 11 15 19 14 11 9 3 2

Monthly sunshine hours in Dunsborough, Western Australia, Australia §

The sunniest months in Dunsborough are October, November and December, when the sun shines an average of 11 hours 20 minutes a day. Least sunny months in Dunsborough: May, June and July receive an average of 8 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Dunsborough, 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 307 315 315 280 267 253 261 278 289 321 343 378
Mean daily daylight hours 14h 5m 13h 16m 12h 15m 11h 13m 10h 21m 9h 56m 10h 9m 10h 53m 11h 52m 12h 55m 13h 50m 14h 19m

Solar UV radiation in Dunsborough, Western Australia, Australia §

Dunsborough experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Dunsborough UV Index data.

Average daily maximum UV levels by month for Dunsborough, 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) 14 13 11 8 5 4 4 5 8 10 12 14

Detailed Monthly Weather Insights for Dunsborough, Western Australia, Australia

Discover in-depth weather details for every month in Dunsborough. 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 Dunsborough'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.