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Monthly climate in Port Augusta, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Port Augusta features a cold semi-arid climate (BSk). Temperatures typically range between 11 °C (51 °F) and 25 °C (78 °F) through the year, but rarely can drop to -1 °C (31 °F) or can rise to as high as 47 °C (116 °F). The average annual precipitation amounts to about 213 mm (8.4 inches) and receives 34 rainy days on the 1 mm (0.04 inches) threshold annually. Port Augusta enjoys an average of 3508 hours of sunshine throughout the year, and daylight varies from 10 hours 2 minutes to 14 hours 13 minutes per day.

Monthly average temperatures in Port Augusta, Australia

The warmest months in Port Augusta are January, February and December, with daily mean temperatures ranging from 24 to 25 °C (75 - 78 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 12 °C (51 - 53 °F) throughout the day. On average each year, Port Augusta experiences 148 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Port Augusta. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum47°C
(116°F)		44°C
(112°F)		40°C
(104°F)		38°C
(101°F)		28°C
(83°F)		24°C
(75°F)		24°C
(76°F)		26°C
(80°F)		35°C
(95°F)		39°C
(103°F)		42°C
(109°F)		46°C
(116°F)
Mean maximum43°C
(109°F)		40°C
(105°F)		37°C
(99°F)		34°C
(93°F)		26°C
(79°F)		21°C
(69°F)		23°C
(74°F)		25°C
(77°F)		32°C
(90°F)		35°C
(95°F)		38°C
(101°F)		41°C
(107°F)
Average high32°C
(90°F)		30°C
(87°F)		29°C
(85°F)		26°C
(78°F)		20°C
(67°F)		17°C
(62°F)		17°C
(63°F)		18°C
(64°F)		23°C
(73°F)		26°C
(78°F)		28°C
(82°F)		31°C
(88°F)
Daily mean25°C
(78°F)		24°C
(75°F)		22°C
(73°F)		19°C
(66°F)		14°C
(57°F)		11°C
(51°F)		11°C
(52°F)		12°C
(53°F)		15°C
(60°F)		18°C
(66°F)		21°C
(70°F)		24°C
(75°F)
Average low18°C
(65°F)		17°C
(63°F)		16°C
(61°F)		13°C
(55°F)		8°C
(47°F)		5°C
(42°F)		5°C
(42°F)		6°C
(43°F)		8°C
(47°F)		12°C
(53°F)		14°C
(57°F)		16°C
(62°F)
Mean minimum14°C
(57°F)		13°C
(55°F)		11°C
(52°F)		8°C
(46°F)		4°C
(39°F)		1°C
(35°F)		1°C
(33°F)		1°C
(35°F)		3°C
(39°F)		6°C
(44°F)		8°C
(46°F)		11°C
(52°F)
Minimum12°C
(54°F)		11°C
(53°F)		10°C
(50°F)		6°C
(43°F)		1°C
(35°F)		-1°C
(31°F)		-1°C
(31°F)		-0°C
(32°F)		2°C
(35°F)		5°C
(42°F)		7°C
(45°F)		10°C
(50°F)

Compare climate in Port Augusta with other places

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

Monthly average precipitation in Port Augusta, Australia

Port Augusta usually has the most precipitation in August, October and November, with an average of 4 rainy days and 27 mm (1.1 inches) of precipitation per month. The driest months in Port Augusta are March, July and September. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port Augusta. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)14 (0.5)17 (0.7)8 (0.3)17 (0.7)16 (0.6)16 (0.6)13 (0.5)21 (0.8)13 (0.5)25 (1.0)37 (1.4)15 (0.6)
Average precipitation days (≥ 1 mm)211233352363

Monthly sunshine hours in Port Augusta, Australia

The sunniest months in Port Augusta are October, November and December, when the sun shines an average of 11 hours 3 minutes a day. Least sunny months in Port Augusta: May, June and July receive an average of 8 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port Augusta. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours292311317274253235249261294321336359
Mean daily daylight hours14h 0m13h 13m12h 15m11h 15m10h 26m10h 2m10h 14m10h 56m11h 53m12h 53m13h 46m14h 13m

Solar UV radiation in Port Augusta, Australia

Port Augusta experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 14 - 16, 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 Port Augusta UV Index data.

Average daily maximum UV levels by month for Port Augusta. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151412964468111316