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Monthly climate in Arno Bay, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Arno Bay features a cold semi-arid climate (BSk). Temperatures typically range between 12 °C (54 °F) and 22 °C (71 °F) through the year, but rarely can drop to 3 °C (38 °F) or can rise to as high as 43 °C (110 °F). The average annual precipitation amounts to about 272 mm (10.7 inches) and receives 50 rainy days on the 1 mm (0.04 inches) threshold annually. Arno Bay enjoys an average of 3346 hours of sunshine throughout the year, and daylight varies from 9 hours 55 minutes to 14 hours 21 minutes per day.

Monthly average temperatures in Arno Bay, Australia

The warmest months in Arno Bay are January, February and March, with daily mean temperatures ranging from 20 to 22 °C (69 - 71 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 12 to 12 °C (54 - 54 °F) throughout the day. On average each year, Arno Bay experiences 65 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 Arno Bay. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum43°C
(110°F)		37°C
(99°F)		38°C
(101°F)		37°C
(99°F)		29°C
(84°F)		23°C
(73°F)		22°C
(72°F)		24°C
(76°F)		30°C
(87°F)		37°C
(98°F)		41°C
(106°F)		42°C
(108°F)
Mean maximum40°C
(104°F)		34°C
(94°F)		34°C
(93°F)		32°C
(89°F)		25°C
(77°F)		20°C
(68°F)		20°C
(69°F)		23°C
(74°F)		29°C
(84°F)		32°C
(89°F)		35°C
(96°F)		37°C
(98°F)
Average high26°C
(79°F)		24°C
(76°F)		24°C
(76°F)		22°C
(73°F)		18°C
(65°F)		16°C
(61°F)		16°C
(61°F)		16°C
(61°F)		19°C
(66°F)		21°C
(69°F)		23°C
(73°F)		24°C
(76°F)
Daily mean22°C
(71°F)		21°C
(70°F)		20°C
(69°F)		18°C
(65°F)		15°C
(59°F)		12°C
(54°F)		12°C
(54°F)		12°C
(54°F)		14°C
(57°F)		16°C
(61°F)		18°C
(65°F)		20°C
(68°F)
Average low18°C
(64°F)		18°C
(64°F)		17°C
(63°F)		15°C
(58°F)		11°C
(53°F)		9°C
(48°F)		9°C
(48°F)		9°C
(48°F)		10°C
(50°F)		12°C
(53°F)		14°C
(57°F)		16°C
(60°F)
Mean minimum14°C
(57°F)		13°C
(56°F)		13°C
(55°F)		11°C
(52°F)		8°C
(46°F)		6°C
(43°F)		6°C
(42°F)		4°C
(40°F)		6°C
(43°F)		8°C
(47°F)		8°C
(47°F)		11°C
(53°F)
Minimum12°C
(54°F)		12°C
(53°F)		11°C
(53°F)		8°C
(47°F)		7°C
(45°F)		3°C
(38°F)		4°C
(40°F)		3°C
(38°F)		5°C
(40°F)		7°C
(45°F)		7°C
(46°F)		10°C
(50°F)

Compare climate in Arno Bay with other places

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

Monthly average precipitation in Arno Bay, Australia

Arno Bay usually has the most precipitation in August, October and November, with an average of 6 rainy days and 37 mm (1.4 inches) of precipitation per month. The driest months in Arno Bay are January, March and April. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Arno Bay. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)16 (0.6)21 (0.8)9 (0.4)14 (0.6)21 (0.8)22 (0.8)19 (0.7)40 (1.6)23 (0.9)28 (1.1)42 (1.6)16 (0.6)
Average precipitation days (≥ 1 mm)322255474664

Monthly sunshine hours in Arno Bay, Australia

The sunniest months in Arno Bay are October, November and December, when the sun shines an average of 10 hours 42 minutes a day. Least sunny months in Arno Bay: May, June and July receive an average of 7 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Arno Bay. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours281291301257240223238251275310321352
Mean daily daylight hours14h 6m13h 17m12h 15m11h 12m10h 20m9h 55m10h 7m10h 53m11h 52m12h 55m13h 52m14h 21m

Solar UV radiation in Arno Bay, Australia

Arno Bay 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 Arno Bay UV Index data.

Average daily maximum UV levels by month for Arno Bay. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141412854458101215