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Monthly climate in Bunbury, Western Australia, Australia

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bunbury features a hot-summer Mediterranean climate (Csa).Temperatures typically range between 13 °C (55 °F) and 22 °C (72 °F) through the year, but rarely can drop to 4 °C (39 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 722 mm (28.4 inches) and receives 82 rainy days on the 1 mm (0.04 inches) threshold annually.Bunbury enjoys an average of 3645 hours of sunshine throughout the year, and daylight varies from 9 hours 58 minutes to 14 hours 17 minutes per day.

Monthly average temperatures in Bunbury, Western Australia, Australia §

The warmest months in Bunbury are January, February and December, with daily mean temperatures ranging from 21 to 22 °C (70 - 72 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 13 to 14 °C (55 - 57 °F) throughout the day. On average each year, Bunbury experiences 91 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 Bunbury, 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 35°C
(96°F)		 33°C
(93°F)		 34°C
(94°F)		 31°C
(89°F)		 25°C
(78°F)		 23°C
(73°F)		 20°C
(69°F)		 22°C
(72°F)		 24°C
(76°F)		 30°C
(86°F)		 34°C
(93°F)		 38°C
(101°F)
Mean maximum 34°C
(93°F)		 32°C
(91°F)		 32°C
(90°F)		 29°C
(84°F)		 24°C
(75°F)		 20°C
(68°F)		 19°C
(67°F)		 21°C
(70°F)		 23°C
(74°F)		 27°C
(80°F)		 30°C
(86°F)		 34°C
(93°F)
Average high 27°C
(82°F)		 27°C
(81°F)		 26°C
(78°F)		 23°C
(73°F)		 19°C
(67°F)		 17°C
(63°F)		 16°C
(61°F)		 16°C
(61°F)		 17°C
(63°F)		 19°C
(67°F)		 22°C
(73°F)		 26°C
(80°F)
Daily mean 22°C
(72°F)		 22°C
(72°F)		 21°C
(70°F)		 18°C
(65°F)		 15°C
(59°F)		 14°C
(57°F)		 13°C
(56°F)		 13°C
(55°F)		 14°C
(57°F)		 15°C
(60°F)		 18°C
(64°F)		 21°C
(70°F)
Average low 16°C
(62°F)		 17°C
(63°F)		 17°C
(62°F)		 14°C
(57°F)		 11°C
(53°F)		 11°C
(51°F)		 10°C
(51°F)		 9°C
(49°F)		 10°C
(50°F)		 11°C
(52°F)		 13°C
(55°F)		 15°C
(60°F)
Mean minimum 12°C
(53°F)		 12°C
(54°F)		 11°C
(52°F)		 9°C
(48°F)		 8°C
(46°F)		 7°C
(44°F)		 7°C
(45°F)		 6°C
(43°F)		 5°C
(41°F)		 7°C
(45°F)		 9°C
(48°F)		 10°C
(50°F)
Minimum 10°C
(50°F)		 11°C
(51°F)		 10°C
(50°F)		 7°C
(45°F)		 6°C
(42°F)		 5°C
(41°F)		 6°C
(43°F)		 5°C
(41°F)		 4°C
(39°F)		 5°C
(41°F)		 6°C
(44°F)		 9°C
(49°F)

Compare climate in Bunbury with other places

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

Monthly average precipitation in Bunbury, Western Australia, Australia §

Bunbury usually has the most precipitation in June, July and August, with an average of 13 rainy days and 127 mm (5.0 inches) of precipitation per month.The driest months in Bunbury are January, November and December. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bunbury, 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) 11 (0.4) 40 (1.6) 31 (1.2) 32 (1.3) 80 (3.1) 120 (4.7) 145 (5.7) 114 (4.5) 64 (2.5) 47 (1.8) 26 (1.0) 13 (0.5)
Average precipitation days (≥ 1 mm) 1 2 4 4 8 12 16 11 10 8 4 2

Monthly sunshine hours in Bunbury, Western Australia, Australia §

The sunniest months in Bunbury are October, November and December, when the sun shines an average of 11 hours 24 minutes a day.Least sunny months in Bunbury: May, June and July receive an average of 8 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bunbury, 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 309 315 319 285 272 255 264 281 291 320 347 381
Mean daily daylight hours 14h 2m 13h 15m 12h 15m 11h 14m 10h 23m 9h 58m 10h 11m 10h 55m 11h 53m 12h 54m 13h 49m 14h 17m

Solar UV radiation in Bunbury, Western Australia, Australia §

Bunbury 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 Bunbury UV Index data.

Average daily maximum UV levels by month for Bunbury, 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 4 4 6 8 10 12 14