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Monthly climate in Sinclair, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sinclair features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 13 °C (56 °F) and 20 °C (68 °F) through the year, but rarely can drop to 7 °C (45 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 550 mm (21.6 inches) and receives 96 rainy days on the 1 mm (0.04 inches) threshold annually. Sinclair enjoys an average of 3502 hours of sunshine throughout the year, and daylight varies from 9 hours 55 minutes to 14 hours 20 minutes per day.

Monthly average temperatures in Sinclair, Australia

The warmest months in Sinclair are January, February and March, with daily mean temperatures ranging from 20 to 20 °C (68 - 68 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 13 to 14 °C (56 - 58 °F) throughout the day. On average each year, Sinclair experiences 34 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 Sinclair. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(95°F)		35°C
(96°F)		34°C
(94°F)		31°C
(88°F)		26°C
(80°F)		23°C
(74°F)		21°C
(69°F)		25°C
(77°F)		27°C
(81°F)		29°C
(85°F)		34°C
(94°F)		34°C
(94°F)
Mean maximum32°C
(91°F)		32°C
(90°F)		30°C
(87°F)		28°C
(83°F)		25°C
(77°F)		20°C
(69°F)		20°C
(68°F)		23°C
(73°F)		24°C
(76°F)		26°C
(80°F)		30°C
(87°F)		33°C
(91°F)
Average high23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		21°C
(70°F)		19°C
(66°F)		17°C
(63°F)		16°C
(61°F)		16°C
(61°F)		17°C
(64°F)		19°C
(66°F)		20°C
(68°F)		22°C
(72°F)
Daily mean20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		18°C
(65°F)		16°C
(60°F)		14°C
(58°F)		13°C
(56°F)		13°C
(56°F)		14°C
(58°F)		15°C
(60°F)		17°C
(62°F)		19°C
(66°F)
Average low17°C
(62°F)		17°C
(63°F)		17°C
(63°F)		15°C
(60°F)		13°C
(56°F)		12°C
(54°F)		11°C
(52°F)		10°C
(51°F)		11°C
(53°F)		12°C
(55°F)		14°C
(57°F)		15°C
(60°F)
Mean minimum14°C
(57°F)		15°C
(59°F)		13°C
(57°F)		12°C
(54°F)		10°C
(51°F)		9°C
(49°F)		8°C
(47°F)		8°C
(46°F)		8°C
(47°F)		9°C
(49°F)		11°C
(51°F)		12°C
(54°F)
Minimum13°C
(56°F)		14°C
(57°F)		12°C
(53°F)		8°C
(48°F)		10°C
(49°F)		8°C
(47°F)		8°C
(47°F)		7°C
(45°F)		7°C
(45°F)		9°C
(48°F)		10°C
(49°F)		12°C
(53°F)

Compare climate in Sinclair with other places

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

Monthly average precipitation in Sinclair, Australia

Sinclair usually has the most precipitation in February, July and August, with an average of 10 rainy days and 78 mm (3.1 inches) of precipitation per month. The driest months in Sinclair are January, April and December. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sinclair. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)14 (0.6)69 (2.7)37 (1.4)23 (0.9)46 (1.8)53 (2.1)67 (2.6)98 (3.9)45 (1.8)47 (1.8)41 (1.6)10 (0.4)
Average precipitation days (≥ 1 mm)25661012131310982

Monthly sunshine hours in Sinclair, Australia

The sunniest months in Sinclair are October, November and December, when the sun shines an average of 11 hours 2 minutes a day. Least sunny months in Sinclair: May, June and July receive an average of 8 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sinclair. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours291288306271259245257279286316327370
Mean daily daylight hours14h 6m13h 17m12h 15m11h 12m10h 20m9h 55m10h 8m10h 53m11h 52m12h 55m13h 51m14h 20m

Solar UV radiation in Sinclair, Australia

Sinclair experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 14 - 14, 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 Sinclair UV Index data.

Average daily maximum UV levels by month for Sinclair. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141412854468101314