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Monthly climate in Rainbow, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rainbow features a cold semi-arid climate (BSk). Temperatures typically range between 9 °C (48 °F) and 24 °C (75 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 46 °C (116 °F). The average annual precipitation amounts to about 329 mm (12.9 inches) and receives 59 rainy days on the 1 mm (0.04 inches) threshold annually. Rainbow enjoys an average of 3299 hours of sunshine throughout the year, and daylight varies from 9 hours 44 minutes to 14 hours 32 minutes per day.

Monthly average temperatures in Rainbow, Australia

The warmest months in Rainbow are January, February and December, with daily mean temperatures ranging from 21 to 24 °C (71 - 75 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 9 to 9 °C (48 - 49 °F) throughout the day. On average each year, Rainbow experiences 118 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rainbow. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum45°C
(112°F)		43°C
(109°F)		38°C
(101°F)		37°C
(99°F)		26°C
(79°F)		21°C
(69°F)		21°C
(71°F)		22°C
(72°F)		31°C
(87°F)		36°C
(98°F)		42°C
(108°F)		46°C
(116°F)
Mean maximum42°C
(108°F)		40°C
(104°F)		35°C
(95°F)		32°C
(90°F)		23°C
(74°F)		17°C
(63°F)		19°C
(67°F)		21°C
(69°F)		28°C
(83°F)		33°C
(91°F)		38°C
(100°F)		41°C
(105°F)
Average high32°C
(89°F)		29°C
(85°F)		27°C
(81°F)		22°C
(73°F)		17°C
(63°F)		14°C
(58°F)		14°C
(58°F)		15°C
(59°F)		18°C
(65°F)		22°C
(72°F)		26°C
(79°F)		29°C
(84°F)
Daily mean24°C
(75°F)		22°C
(71°F)		20°C
(68°F)		16°C
(61°F)		12°C
(54°F)		9°C
(49°F)		9°C
(48°F)		9°C
(49°F)		12°C
(54°F)		15°C
(59°F)		19°C
(66°F)		21°C
(71°F)
Average low16°C
(61°F)		15°C
(59°F)		14°C
(57°F)		10°C
(51°F)		7°C
(46°F)		5°C
(41°F)		5°C
(41°F)		5°C
(41°F)		6°C
(43°F)		8°C
(48°F)		11°C
(53°F)		13°C
(56°F)
Mean minimum10°C
(50°F)		9°C
(48°F)		7°C
(45°F)		4°C
(40°F)		2°C
(36°F)		-0°C
(32°F)		-0°C
(32°F)		-0°C
(32°F)		1°C
(33°F)		3°C
(38°F)		4°C
(39°F)		8°C
(46°F)
Minimum8°C
(47°F)		7°C
(45°F)		6°C
(43°F)		1°C
(34°F)		0°C
(33°F)		-1°C
(30°F)		-1°C
(30°F)		-1°C
(30°F)		-0°C
(32°F)		2°C
(36°F)		3°C
(38°F)		7°C
(45°F)

Compare climate in Rainbow with other places

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

Monthly average precipitation in Rainbow, Australia

Rainbow usually has the most precipitation in May, August and October, with an average of 6 rainy days and 36 mm (1.4 inches) of precipitation per month. The driest months in Rainbow are January, February and March. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rainbow. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)21 (0.8)18 (0.7)14 (0.5)24 (1.0)33 (1.3)27 (1.0)32 (1.3)37 (1.5)27 (1.1)37 (1.5)33 (1.3)26 (1.0)
Average precipitation days (≥ 1 mm)322465786664

Monthly sunshine hours in Rainbow, Australia

The sunniest months in Rainbow are March, November and December, when the sun shines an average of 10 hours 43 minutes a day. Least sunny months in Rainbow: May, June and July receive an average of 7 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rainbow. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours298309311250225212220232269294315359
Mean daily daylight hours14h 16m13h 23m12h 16m11h 8m10h 12m9h 44m9h 58m10h 47m11h 51m12h 59m14h 0m14h 32m

Solar UV radiation in Rainbow, Australia

Rainbow experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 13 - 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 Rainbow UV Index data.

Average daily maximum UV levels by month for Rainbow. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141312853357101215