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Monthly climate in Coonabarabran, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Coonabarabran features a humid subtropical climate (Cfa). Temperatures typically range between 9 °C (48 °F) and 26 °C (79 °F) through the year, but rarely can drop to -2 °C (28 °F) or can rise to as high as 42 °C (108 °F). The average annual precipitation amounts to about 602 mm (23.7 inches) and receives 67 rainy days on the 1 mm (0.04 inches) threshold annually. Coonabarabran enjoys an average of 3516 hours of sunshine throughout the year, and daylight varies from 10 hours 7 minutes to 14 hours 7 minutes per day.

Monthly average temperatures in Coonabarabran, Australia

The warmest months in Coonabarabran are January, February and December, with daily mean temperatures ranging from 23 to 26 °C (74 - 79 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 9 to 10 °C (48 - 50 °F) throughout the day. On average each year, Coonabarabran experiences 137 days above 25 °C (77.0 °F) and 6 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Coonabarabran. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum41°C
(106°F)		42°C
(108°F)		35°C
(95°F)		31°C
(88°F)		24°C
(76°F)		22°C
(72°F)		21°C
(71°F)		24°C
(76°F)		32°C
(90°F)		34°C
(93°F)		36°C
(98°F)		42°C
(107°F)
Mean maximum37°C
(100°F)		36°C
(98°F)		32°C
(91°F)		28°C
(82°F)		23°C
(73°F)		18°C
(65°F)		20°C
(68°F)		22°C
(73°F)		28°C
(83°F)		31°C
(88°F)		33°C
(92°F)		38°C
(100°F)
Average high32°C
(90°F)		30°C
(86°F)		27°C
(81°F)		23°C
(74°F)		18°C
(66°F)		15°C
(60°F)		15°C
(60°F)		16°C
(62°F)		21°C
(70°F)		24°C
(76°F)		26°C
(80°F)		30°C
(86°F)
Daily mean26°C
(79°F)		23°C
(74°F)		21°C
(70°F)		17°C
(62°F)		12°C
(54°F)		9°C
(49°F)		9°C
(48°F)		10°C
(50°F)		14°C
(57°F)		18°C
(64°F)		20°C
(68°F)		23°C
(74°F)
Average low20°C
(67°F)		18°C
(64°F)		16°C
(60°F)		11°C
(52°F)		7°C
(45°F)		5°C
(41°F)		4°C
(39°F)		4°C
(39°F)		7°C
(45°F)		11°C
(52°F)		14°C
(57°F)		17°C
(63°F)
Mean minimum14°C
(58°F)		12°C
(54°F)		10°C
(51°F)		5°C
(41°F)		1°C
(34°F)		1°C
(34°F)		-1°C
(30°F)		-1°C
(30°F)		1°C
(35°F)		5°C
(42°F)		7°C
(44°F)		9°C
(49°F)
Minimum10°C
(50°F)		11°C
(51°F)		8°C
(47°F)		1°C
(34°F)		-1°C
(31°F)		-2°C
(29°F)		-2°C
(28°F)		-2°C
(29°F)		0°C
(33°F)		3°C
(38°F)		5°C
(41°F)		8°C
(46°F)

Compare climate in Coonabarabran with other places

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

Monthly average precipitation in Coonabarabran, Australia

Coonabarabran usually has the most precipitation in March, November and December, with an average of 8 rainy days and 84 mm (3.3 inches) of precipitation per month. The driest months in Coonabarabran are April, May and September. On average, 24 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Coonabarabran. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)38 (1.5)70 (2.7)105 (4.1)22 (0.9)29 (1.2)37 (1.5)30 (1.2)31 (1.2)21 (0.8)69 (2.7)77 (3.0)72 (2.8)
Average precipitation days (≥ 1 mm)679235544787

Monthly sunshine hours in Coonabarabran, Australia

The sunniest months in Coonabarabran are October, November and December, when the sun shines an average of 10 hours 53 minutes a day. Least sunny months in Coonabarabran: May, June and July receive an average of 8 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Coonabarabran. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours296305305282260232253280298316326359
Mean daily daylight hours13h 54m13h 10m12h 14m11h 17m10h 31m10h 7m10h 19m10h 59m11h 53m12h 50m13h 41m14h 7m

Solar UV radiation in Coonabarabran, Australia

Coonabarabran 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 Coonabarabran UV Index data.

Average daily maximum UV levels by month for Coonabarabran. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151513964479121315