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Monthly climate in Coolgardie, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Coolgardie features a hot semi-arid climate (BSh). Temperatures typically range between 11 °C (53 °F) and 26 °C (79 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 45 °C (113 °F). The average annual precipitation amounts to about 229 mm (9.0 inches) and receives 32 rainy days on the 1 mm (0.04 inches) threshold annually. Coolgardie enjoys an average of 3604 hours of sunshine throughout the year, and daylight varies from 10 hours 9 minutes to 14 hours 6 minutes per day.

Monthly average temperatures in Coolgardie, Australia

The warmest months in Coolgardie are January, February and December, with daily mean temperatures ranging from 25 to 26 °C (77 - 79 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 12 °C (53 - 54 °F) throughout the day. On average each year, Coolgardie experiences 166 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 Coolgardie. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum45°C
(112°F)		42°C
(109°F)		44°C
(111°F)		38°C
(100°F)		31°C
(88°F)		28°C
(83°F)		25°C
(77°F)		32°C
(90°F)		35°C
(95°F)		38°C
(102°F)		45°C
(113°F)		44°C
(111°F)
Mean maximum42°C
(109°F)		40°C
(104°F)		39°C
(103°F)		35°C
(96°F)		29°C
(84°F)		22°C
(73°F)		23°C
(74°F)		28°C
(83°F)		33°C
(92°F)		35°C
(95°F)		40°C
(104°F)		42°C
(107°F)
Average high33°C
(92°F)		31°C
(89°F)		30°C
(85°F)		26°C
(79°F)		21°C
(70°F)		18°C
(65°F)		17°C
(64°F)		19°C
(66°F)		23°C
(73°F)		26°C
(79°F)		29°C
(85°F)		33°C
(91°F)
Daily mean26°C
(79°F)		25°C
(77°F)		23°C
(74°F)		20°C
(68°F)		15°C
(58°F)		12°C
(54°F)		11°C
(53°F)		12°C
(54°F)		16°C
(61°F)		19°C
(66°F)		22°C
(71°F)		25°C
(78°F)
Average low18°C
(65°F)		18°C
(65°F)		17°C
(63°F)		14°C
(57°F)		9°C
(49°F)		7°C
(45°F)		6°C
(44°F)		6°C
(44°F)		9°C
(48°F)		12°C
(53°F)		14°C
(57°F)		17°C
(63°F)
Mean minimum13°C
(55°F)		13°C
(56°F)		11°C
(52°F)		8°C
(46°F)		4°C
(39°F)		4°C
(39°F)		2°C
(35°F)		2°C
(36°F)		2°C
(37°F)		6°C
(43°F)		8°C
(46°F)		10°C
(51°F)
Minimum11°C
(52°F)		11°C
(52°F)		9°C
(48°F)		5°C
(42°F)		2°C
(35°F)		1°C
(34°F)		1°C
(34°F)		1°C
(34°F)		1°C
(34°F)		4°C
(39°F)		6°C
(43°F)		8°C
(47°F)

Compare climate in Coolgardie with other places

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

Monthly average precipitation in Coolgardie, Australia

Coolgardie usually has the most precipitation in February, March and November, with an average of 4 rainy days and 34 mm (1.3 inches) of precipitation per month. The driest months in Coolgardie are April, September and December. On average, 6 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Coolgardie. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)19 (0.8)48 (1.9)27 (1.0)8 (0.3)18 (0.7)19 (0.8)15 (0.6)20 (0.8)6 (0.2)17 (0.7)28 (1.1)6 (0.2)
Average precipitation days (≥ 1 mm)354123241331

Monthly sunshine hours in Coolgardie, Australia

The sunniest months in Coolgardie are October, November and December, when the sun shines an average of 11 hours 22 minutes a day. Least sunny months in Coolgardie: 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 Coolgardie. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours296289312283275248267286297330344371
Mean daily daylight hours13h 53m13h 9m12h 14m11h 18m10h 32m10h 9m10h 20m11h 0m11h 53m12h 50m13h 40m14h 6m

Solar UV radiation in Coolgardie, Australia

Coolgardie experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Coolgardie UV Index data.

Average daily maximum UV levels by month for Coolgardie. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151513964579111315