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Monthly climate in Sydney, Australia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sydney features a humid subtropical climate (Cfa). Temperatures typically range between 14 °C (57 °F) and 23 °C (74 °F) through the year, but rarely can drop to 6 °C (44 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 968 mm (38.1 inches) and receives 126 rainy days on the 1 mm (0.04 inches) threshold annually. Sydney enjoys an average of 3272 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 Sydney, Australia

The warmest months in Sydney are January, February and March, with daily mean temperatures ranging from 22 to 23 °C (71 - 74 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 14 to 14 °C (57 - 58 °F) throughout the day. On average each year, Sydney experiences 45 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 Sydney. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum34°C
(93°F)		35°C
(95°F)		33°C
(92°F)		30°C
(86°F)		24°C
(76°F)		22°C
(72°F)		23°C
(74°F)		22°C
(72°F)		28°C
(83°F)		29°C
(84°F)		34°C
(94°F)		30°C
(87°F)
Mean maximum31°C
(88°F)		30°C
(87°F)		29°C
(84°F)		27°C
(80°F)		24°C
(75°F)		19°C
(67°F)		22°C
(72°F)		22°C
(72°F)		26°C
(79°F)		27°C
(80°F)		28°C
(83°F)		29°C
(85°F)
Average high25°C
(77°F)		25°C
(77°F)		23°C
(75°F)		22°C
(72°F)		19°C
(67°F)		17°C
(63°F)		17°C
(63°F)		17°C
(63°F)		19°C
(67°F)		20°C
(69°F)		22°C
(71°F)		23°C
(74°F)
Daily mean23°C
(74°F)		23°C
(73°F)		22°C
(71°F)		19°C
(67°F)		17°C
(62°F)		14°C
(58°F)		14°C
(57°F)		14°C
(58°F)		16°C
(61°F)		18°C
(65°F)		19°C
(67°F)		21°C
(70°F)
Average low21°C
(70°F)		21°C
(70°F)		20°C
(68°F)		17°C
(63°F)		14°C
(58°F)		12°C
(54°F)		11°C
(52°F)		11°C
(52°F)		13°C
(56°F)		16°C
(60°F)		17°C
(63°F)		19°C
(67°F)
Mean minimum18°C
(66°F)		18°C
(64°F)		17°C
(62°F)		13°C
(56°F)		10°C
(50°F)		9°C
(49°F)		8°C
(46°F)		8°C
(47°F)		10°C
(51°F)		13°C
(55°F)		14°C
(57°F)		16°C
(61°F)
Minimum16°C
(62°F)		17°C
(62°F)		15°C
(59°F)		12°C
(54°F)		8°C
(46°F)		8°C
(47°F)		6°C
(44°F)		8°C
(46°F)		10°C
(50°F)		12°C
(54°F)		13°C
(56°F)		15°C
(60°F)

Compare climate in Sydney with other places

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

Monthly average precipitation in Sydney, Australia

Sydney usually has the most precipitation in February, March and June, with an average of 15 rainy days and 140 mm (5.5 inches) of precipitation per month. The driest months in Sydney are January, April and September. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sydney. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)42 (1.7)125 (4.9)185 (7.3)40 (1.6)63 (2.5)108 (4.3)54 (2.1)53 (2.1)49 (1.9)85 (3.4)85 (3.3)78 (3.1)
Average precipitation days (≥ 1 mm)913189915668121011

Monthly sunshine hours in Sydney, Australia

The sunniest months in Sydney are October, November and December, when the sun shines an average of 10 hours 1 minutes a day. Least sunny months in Sydney: January, June and July receive an average of 7 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sydney. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours251274269269252225247273287297305319
Mean daily daylight hours14h 6m13h 17m12h 15m11h 12m10h 20m9h 55m10h 8m10h 53m11h 52m12h 55m13h 51m14h 20m

Solar UV radiation in Sydney, Australia

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

Average daily maximum UV levels by month for Sydney. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141311853468101214