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Monthly climate in Mount Barker, Western Australia, Australia

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Mount Barker features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 11 °C (52 °F) and 19 °C (66 °F) through the year, but rarely can drop to 0 °C (33 °F) or can rise to as high as 42 °C (107 °F). The average annual precipitation amounts to about 470 mm (18.5 inches) and receives 87 rainy days on the 1 mm (0.04 inches) threshold annually. Mount Barker enjoys an average of 3413 hours of sunshine throughout the year, and daylight varies from 9 hours 51 minutes to 14 hours 25 minutes per day.

Monthly average temperatures in Mount Barker, Western Australia, Australia §

The warmest months in Mount Barker are January, February and March, with daily mean temperatures ranging from 18 to 19 °C (65 - 66 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 12 °C (52 - 54 °F) throughout the day. On average each year, Mount Barker experiences 60 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 Mount Barker, 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 39°C
(103°F)		 42°C
(107°F)		 35°C
(96°F)		 34°C
(93°F)		 29°C
(85°F)		 23°C
(73°F)		 22°C
(71°F)		 24°C
(75°F)		 28°C
(83°F)		 31°C
(88°F)		 34°C
(93°F)		 38°C
(101°F)
Mean maximum 36°C
(97°F)		 36°C
(97°F)		 34°C
(93°F)		 30°C
(86°F)		 26°C
(79°F)		 20°C
(69°F)		 19°C
(67°F)		 22°C
(72°F)		 25°C
(76°F)		 29°C
(85°F)		 32°C
(89°F)		 36°C
(97°F)
Average high 25°C
(78°F)		 25°C
(77°F)		 24°C
(75°F)		 21°C
(70°F)		 19°C
(66°F)		 17°C
(62°F)		 15°C
(59°F)		 15°C
(60°F)		 17°C
(63°F)		 19°C
(66°F)		 21°C
(70°F)		 24°C
(76°F)
Daily mean 19°C
(66°F)		 19°C
(66°F)		 18°C
(65°F)		 16°C
(61°F)		 13°C
(56°F)		 12°C
(54°F)		 11°C
(52°F)		 11°C
(52°F)		 12°C
(54°F)		 14°C
(57°F)		 15°C
(59°F)		 18°C
(64°F)
Average low 13°C
(56°F)		 14°C
(58°F)		 14°C
(57°F)		 11°C
(53°F)		 9°C
(48°F)		 8°C
(47°F)		 8°C
(46°F)		 7°C
(45°F)		 7°C
(46°F)		 9°C
(48°F)		 10°C
(50°F)		 12°C
(53°F)
Mean minimum 8°C
(48°F)		 10°C
(49°F)		 8°C
(47°F)		 7°C
(45°F)		 5°C
(41°F)		 4°C
(39°F)		 4°C
(39°F)		 2°C
(36°F)		 2°C
(36°F)		 4°C
(40°F)		 6°C
(43°F)		 6°C
(44°F)
Minimum 7°C
(44°F)		 8°C
(47°F)		 5°C
(40°F)		 5°C
(40°F)		 3°C
(39°F)		 2°C
(36°F)		 3°C
(38°F)		 0°C
(33°F)		 0°C
(33°F)		 2°C
(36°F)		 4°C
(40°F)		 5°C
(42°F)

Compare climate in Mount Barker with other places

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

Monthly average precipitation in Mount Barker, Western Australia, Australia §

Mount Barker usually has the most precipitation in July, August and September, with an average of 11 rainy days and 62 mm (2.4 inches) of precipitation per month. The driest months in Mount Barker are January, April and December. On average, 20 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mount Barker, 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) 13 (0.5) 35 (1.4) 37 (1.5) 29 (1.1) 40 (1.6) 41 (1.6) 51 (2.0) 80 (3.2) 55 (2.2) 39 (1.5) 31 (1.2) 19 (0.7)
Average precipitation days (≥ 1 mm) 2 5 8 5 6 9 11 12 10 10 6 3

Monthly sunshine hours in Mount Barker, Western Australia, Australia §

The sunniest months in Mount Barker are October, November and December, when the sun shines an average of 10 hours 37 minutes a day. Least sunny months in Mount Barker: May, June and July receive an average of 8 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mount Barker, 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 297 295 294 258 253 241 252 264 277 301 314 361
Mean daily daylight hours 14h 9m 13h 19m 12h 15m 11h 11m 10h 17m 9h 51m 10h 4m 10h 51m 11h 52m 12h 57m 13h 55m 14h 25m

Solar UV radiation in Mount Barker, Western Australia, Australia §

Mount Barker experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 14 - 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 Mount Barker UV Index data.

Average daily maximum UV levels by month for Mount Barker, 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 14 11 8 5 3 4 5 7 10 12 14

Detailed Monthly Weather Insights for Mount Barker, Western Australia, Australia

Discover in-depth weather details for every month in Mount Barker. 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 Mount Barker'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.