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Monthly climate in Riverton, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Riverton features a cold semi-arid climate (BSk). Temperatures typically range between 10 °C (50 °F) and 23 °C (74 °F) through the year, but rarely can drop to -1 °C (31 °F) or can rise to as high as 45 °C (114 °F). The average annual precipitation amounts to about 345 mm (13.6 inches) and receives 69 rainy days on the 1 mm (0.04 inches) threshold annually. Riverton enjoys an average of 3335 hours of sunshine throughout the year, and daylight varies from 9 hours 52 minutes to 14 hours 23 minutes per day.

Monthly average temperatures in Riverton, Australia

The warmest months in Riverton are January, February and December, with daily mean temperatures ranging from 21 to 23 °C (70 - 74 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 10 to 10 °C (50 - 50 °F) throughout the day. On average each year, Riverton experiences 104 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 Riverton. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum45°C
(114°F)		40°C
(105°F)		39°C
(103°F)		36°C
(98°F)		28°C
(82°F)		22°C
(71°F)		22°C
(73°F)		24°C
(76°F)		29°C
(85°F)		36°C
(97°F)		42°C
(108°F)		43°C
(110°F)
Mean maximum41°C
(107°F)		37°C
(100°F)		35°C
(95°F)		32°C
(90°F)		24°C
(76°F)		19°C
(66°F)		20°C
(69°F)		22°C
(72°F)		28°C
(83°F)		32°C
(90°F)		37°C
(99°F)		39°C
(102°F)
Average high30°C
(86°F)		28°C
(82°F)		27°C
(80°F)		23°C
(74°F)		18°C
(64°F)		15°C
(59°F)		15°C
(58°F)		14°C
(58°F)		18°C
(65°F)		22°C
(71°F)		24°C
(76°F)		28°C
(82°F)
Daily mean23°C
(74°F)		21°C
(70°F)		20°C
(68°F)		17°C
(63°F)		13°C
(55°F)		10°C
(50°F)		10°C
(50°F)		10°C
(50°F)		12°C
(54°F)		15°C
(60°F)		18°C
(65°F)		21°C
(70°F)
Average low16°C
(62°F)		15°C
(60°F)		14°C
(58°F)		12°C
(53°F)		8°C
(47°F)		6°C
(43°F)		6°C
(43°F)		6°C
(42°F)		7°C
(45°F)		9°C
(49°F)		12°C
(54°F)		14°C
(57°F)
Mean minimum11°C
(51°F)		10°C
(49°F)		9°C
(48°F)		7°C
(45°F)		4°C
(39°F)		2°C
(35°F)		1°C
(35°F)		0°C
(33°F)		2°C
(36°F)		4°C
(40°F)		5°C
(42°F)		8°C
(47°F)
Minimum10°C
(50°F)		9°C
(48°F)		8°C
(46°F)		4°C
(40°F)		2°C
(37°F)		-0°C
(32°F)		-1°C
(31°F)		-1°C
(31°F)		1°C
(34°F)		3°C
(39°F)		5°C
(41°F)		8°C
(46°F)

Compare climate in Riverton with other places

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

Monthly average precipitation in Riverton, Australia

Riverton usually has the most precipitation in June, July and August, with an average of 9 rainy days and 43 mm (1.7 inches) of precipitation per month. The driest months in Riverton are January, March and December. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Riverton. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)14 (0.6)20 (0.8)9 (0.4)24 (1.0)31 (1.2)35 (1.4)41 (1.6)54 (2.1)33 (1.3)34 (1.3)35 (1.4)15 (0.6)
Average precipitation days (≥ 1 mm)22347511117674

Monthly sunshine hours in Riverton, Australia

The sunniest months in Riverton are March, November and December, when the sun shines an average of 10 hours 35 minutes a day. Least sunny months in Riverton: May, June and July receive an average of 7 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Riverton. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours292300309257237219234245274299310353
Mean daily daylight hours14h 8m13h 18m12h 15m11h 11m10h 18m9h 52m10h 5m10h 51m11h 52m12h 56m13h 53m14h 23m

Solar UV radiation in Riverton, Australia

Riverton 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 Riverton UV Index data.

Average daily maximum UV levels by month for Riverton. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141412853458101315