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Monthly climate in Streaky Bay, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Streaky Bay features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 13 °C (55 °F) and 22 °C (71 °F) through the year, but rarely can drop to 4 °C (40 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 309 mm (12.2 inches) and receives 49 rainy days on the 1 mm (0.04 inches) threshold annually. Streaky Bay enjoys an average of 3479 hours of sunshine throughout the year, and daylight varies from 10 hours 0 minutes to 14 hours 15 minutes per day.

Monthly average temperatures in Streaky Bay, Australia

The warmest months in Streaky Bay are January, February and December, with daily mean temperatures ranging from 21 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 13 to 13 °C (55 - 55 °F) throughout the day. On average each year, Streaky Bay experiences 70 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 Streaky Bay. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum41°C
(106°F)		37°C
(99°F)		36°C
(98°F)		32°C
(90°F)		25°C
(77°F)		22°C
(72°F)		24°C
(75°F)		24°C
(75°F)		31°C
(88°F)		34°C
(94°F)		38°C
(101°F)		40°C
(103°F)
Mean maximum37°C
(99°F)		34°C
(93°F)		33°C
(92°F)		30°C
(86°F)		24°C
(75°F)		20°C
(68°F)		21°C
(70°F)		22°C
(72°F)		27°C
(82°F)		31°C
(87°F)		33°C
(92°F)		35°C
(96°F)
Average high26°C
(79°F)		25°C
(77°F)		24°C
(76°F)		22°C
(73°F)		19°C
(66°F)		16°C
(62°F)		16°C
(61°F)		16°C
(61°F)		19°C
(67°F)		21°C
(71°F)		23°C
(73°F)		25°C
(77°F)
Daily mean22°C
(71°F)		21°C
(70°F)		20°C
(69°F)		18°C
(65°F)		15°C
(59°F)		13°C
(55°F)		13°C
(55°F)		13°C
(55°F)		15°C
(59°F)		17°C
(63°F)		19°C
(66°F)		21°C
(69°F)
Average low18°C
(64°F)		17°C
(63°F)		17°C
(62°F)		15°C
(59°F)		12°C
(54°F)		10°C
(50°F)		10°C
(50°F)		10°C
(50°F)		11°C
(52°F)		13°C
(56°F)		14°C
(58°F)		16°C
(61°F)
Mean minimum14°C
(57°F)		13°C
(56°F)		12°C
(54°F)		11°C
(51°F)		9°C
(48°F)		7°C
(44°F)		6°C
(44°F)		6°C
(43°F)		8°C
(46°F)		9°C
(48°F)		10°C
(50°F)		12°C
(54°F)
Minimum13°C
(56°F)		12°C
(54°F)		12°C
(53°F)		10°C
(49°F)		7°C
(45°F)		4°C
(40°F)		5°C
(41°F)		5°C
(42°F)		6°C
(44°F)		8°C
(47°F)		9°C
(48°F)		10°C
(50°F)

Compare climate in Streaky Bay with other places

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

Monthly average precipitation in Streaky Bay, Australia

Streaky Bay usually has the most precipitation in June, August and November, with an average of 6 rainy days and 40 mm (1.6 inches) of precipitation per month. The driest months in Streaky Bay are February, March and April. On average, 10 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Streaky Bay. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)27 (1.0)13 (0.5)7 (0.3)10 (0.4)30 (1.2)35 (1.4)29 (1.1)49 (1.9)23 (0.9)32 (1.3)36 (1.4)17 (0.7)
Average precipitation days (≥ 1 mm)221256784453

Monthly sunshine hours in Streaky Bay, Australia

The sunniest months in Streaky Bay are October, November and December, when the sun shines an average of 11 hours 0 minutes a day. Least sunny months in Streaky Bay: May, June and July receive an average of 7 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Streaky Bay. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours291306315273251236246261283324330358
Mean daily daylight hours14h 1m13h 14m12h 15m11h 14m10h 25m10h 0m10h 12m10h 55m11h 53m12h 53m13h 47m14h 15m

Solar UV radiation in Streaky Bay, Australia

Streaky 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 / 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 Streaky Bay UV Index data.

Average daily maximum UV levels by month for Streaky Bay. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151412864468111315