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Monthly climate in Kojonup, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kojonup features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 10 °C (50 °F) and 21 °C (70 °F) through the year, but rarely can drop to -1 °C (31 °F) or can rise to as high as 41 °C (105 °F). The average annual precipitation amounts to about 411 mm (16.2 inches) and receives 59 rainy days on the 1 mm (0.04 inches) threshold annually. Kojonup enjoys an average of 3501 hours of sunshine throughout the year, and daylight varies from 9 hours 55 minutes to 14 hours 20 minutes per day.

Monthly average temperatures in Kojonup, Australia

The warmest months in Kojonup are January, February and December, with daily mean temperatures ranging from 20 to 21 °C (68 - 70 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 10 to 11 °C (50 - 52 °F) throughout the day. On average each year, Kojonup experiences 95 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 Kojonup. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum41°C
(105°F)		40°C
(104°F)		36°C
(97°F)		34°C
(93°F)		28°C
(83°F)		22°C
(72°F)		21°C
(69°F)		23°C
(73°F)		27°C
(81°F)		31°C
(89°F)		38°C
(100°F)		39°C
(103°F)
Mean maximum38°C
(100°F)		36°C
(98°F)		33°C
(92°F)		30°C
(87°F)		25°C
(78°F)		20°C
(68°F)		18°C
(66°F)		21°C
(71°F)		24°C
(76°F)		29°C
(84°F)		34°C
(93°F)		37°C
(99°F)
Average high29°C
(84°F)		27°C
(82°F)		25°C
(78°F)		22°C
(72°F)		18°C
(65°F)		16°C
(61°F)		14°C
(58°F)		15°C
(59°F)		17°C
(63°F)		20°C
(68°F)		23°C
(74°F)		28°C
(82°F)
Daily mean21°C
(70°F)		20°C
(69°F)		19°C
(67°F)		16°C
(61°F)		13°C
(55°F)		11°C
(52°F)		10°C
(50°F)		10°C
(50°F)		12°C
(53°F)		14°C
(57°F)		16°C
(62°F)		20°C
(68°F)
Average low13°C
(56°F)		14°C
(58°F)		14°C
(57°F)		11°C
(52°F)		8°C
(46°F)		7°C
(45°F)		6°C
(44°F)		6°C
(43°F)		6°C
(44°F)		8°C
(47°F)		10°C
(50°F)		12°C
(54°F)
Mean minimum8°C
(48°F)		9°C
(48°F)		8°C
(46°F)		5°C
(41°F)		4°C
(39°F)		3°C
(37°F)		3°C
(37°F)		1°C
(35°F)		1°C
(34°F)		3°C
(37°F)		5°C
(41°F)		6°C
(44°F)
Minimum6°C
(43°F)		7°C
(44°F)		6°C
(42°F)		3°C
(37°F)		2°C
(36°F)		1°C
(34°F)		2°C
(36°F)		1°C
(34°F)		-0°C
(31°F)		-1°C
(31°F)		2°C
(37°F)		6°C
(42°F)

Compare climate in Kojonup with other places

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

Monthly average precipitation in Kojonup, Australia

Kojonup usually has the most precipitation in February, July and August, with an average of 7 rainy days and 57 mm (2.2 inches) of precipitation per month. The driest months in Kojonup are January, April and December. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kojonup. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)9 (0.4)54 (2.1)30 (1.2)22 (0.8)38 (1.5)42 (1.7)57 (2.2)59 (2.3)39 (1.5)27 (1.1)24 (1.0)10 (0.4)
Average precipitation days (≥ 1 mm)1353571186532

Monthly sunshine hours in Kojonup, Australia

The sunniest months in Kojonup are January, November and December, when the sun shines an average of 11 hours 0 minutes a day. Least sunny months in Kojonup: May, June and July receive an average of 8 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kojonup. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours305303304274259245251270277301333374
Mean daily daylight hours14h 6m13h 17m12h 15m11h 12m10h 20m9h 55m10h 8m10h 53m11h 52m12h 55m13h 51m14h 20m

Solar UV radiation in Kojonup, Australia

Kojonup experiences the highest level of ultraviolet (UV) radiation in January, February 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 exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Kojonup UV Index data.

Average daily maximum UV levels by month for Kojonup. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151412854468101314