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Monthly climate in Busselton, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Busselton features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 13 °C (56 °F) and 21 °C (69 °F) through the year, but rarely can drop to 6 °C (42 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 669 mm (26.4 inches) and receives 84 rainy days on the 1 mm (0.04 inches) threshold annually. Busselton enjoys an average of 3618 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 Busselton, Australia

The warmest months in Busselton are January, February and March, with daily mean temperatures ranging from 20 to 21 °C (68 - 69 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 13 to 14 °C (56 - 57 °F) throughout the day. On average each year, Busselton experiences 62 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 Busselton. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(91°F)		31°C
(89°F)		32°C
(91°F)		28°C
(82°F)		24°C
(75°F)		21°C
(70°F)		20°C
(68°F)		21°C
(69°F)		22°C
(72°F)		28°C
(83°F)		30°C
(87°F)		37°C
(99°F)
Mean maximum32°C
(89°F)		30°C
(87°F)		30°C
(87°F)		26°C
(80°F)		22°C
(72°F)		19°C
(67°F)		19°C
(66°F)		20°C
(67°F)		22°C
(71°F)		25°C
(77°F)		28°C
(82°F)		32°C
(91°F)
Average high25°C
(78°F)		25°C
(78°F)		24°C
(76°F)		21°C
(71°F)		19°C
(66°F)		17°C
(63°F)		16°C
(61°F)		16°C
(61°F)		17°C
(62°F)		18°C
(65°F)		21°C
(70°F)		24°C
(76°F)
Daily mean20°C
(69°F)		21°C
(69°F)		20°C
(68°F)		18°C
(64°F)		15°C
(60°F)		14°C
(58°F)		14°C
(57°F)		13°C
(56°F)		14°C
(57°F)		15°C
(59°F)		17°C
(63°F)		20°C
(67°F)
Average low16°C
(61°F)		17°C
(62°F)		16°C
(62°F)		14°C
(58°F)		13°C
(55°F)		12°C
(54°F)		11°C
(53°F)		11°C
(51°F)		11°C
(52°F)		12°C
(53°F)		13°C
(55°F)		15°C
(59°F)
Mean minimum12°C
(55°F)		13°C
(56°F)		12°C
(54°F)		11°C
(52°F)		10°C
(50°F)		9°C
(48°F)		8°C
(47°F)		7°C
(45°F)		7°C
(45°F)		8°C
(47°F)		10°C
(50°F)		10°C
(51°F)
Minimum10°C
(50°F)		12°C
(54°F)		11°C
(52°F)		9°C
(49°F)		8°C
(47°F)		8°C
(46°F)		7°C
(45°F)		7°C
(45°F)		6°C
(42°F)		6°C
(44°F)		7°C
(45°F)		9°C
(48°F)

Compare climate in Busselton with other places

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

Monthly average precipitation in Busselton, Australia

Busselton usually has the most precipitation in June, July and August, with an average of 13 rainy days and 114 mm (4.5 inches) of precipitation per month. The driest months in Busselton are January, November and December. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Busselton. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)8 (0.3)32 (1.3)37 (1.4)32 (1.3)74 (2.9)110 (4.3)129 (5.1)105 (4.1)58 (2.3)49 (1.9)24 (0.9)14 (0.5)
Average precipitation days (≥ 1 mm)1344912161110842

Monthly sunshine hours in Busselton, Australia

The sunniest months in Busselton are October, November and December, when the sun shines an average of 11 hours 20 minutes a day. Least sunny months in Busselton: 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 Busselton. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours308315316281269252261279290319344379
Mean daily daylight hours14h 5m13h 16m12h 15m11h 13m10h 21m9h 56m10h 9m10h 53m11h 52m12h 55m13h 51m14h 19m

Solar UV radiation in Busselton, Australia

Busselton 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 Busselton UV Index data.

Average daily maximum UV levels by month for Busselton. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141311854458101214