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Monthly climate in Sydney, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sydney features a humid continental climate (Dfb). Temperatures typically range between -4 °C (25 °F) and 20 °C (68 °F) through the year, but rarely can drop to -18 °C (-1 °F) or can rise to as high as 28 °C (83 °F). The average annual precipitation amounts to about 1390 mm (54.7 inches) and receives 146 rainy days on the 1 mm (0.04 inches) threshold annually. Sydney enjoys an average of 2731 hours of sunshine throughout the year, and daylight varies from 8 hours 40 minutes to 15 hours 41 minutes per day.

Monthly average temperatures in Sydney, Canada

The warmest months in Sydney are July, August and September, with daily mean temperatures ranging from 16 to 20 °C (60 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -4 to -2 °C (25 - 29 °F) throughout the day. On average each year, Sydney experiences 10 days above 25 °C (77.0 °F) and 123 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
Maximum12°C
(55°F)		9°C
(49°F)		12°C
(53°F)		17°C
(62°F)		24°C
(76°F)		27°C
(81°F)		28°C
(83°F)		28°C
(83°F)		26°C
(79°F)		21°C
(71°F)		18°C
(65°F)		13°C
(56°F)
Mean maximum9°C
(48°F)		8°C
(46°F)		8°C
(47°F)		15°C
(59°F)		19°C
(67°F)		22°C
(72°F)		26°C
(79°F)		28°C
(82°F)		24°C
(76°F)		19°C
(67°F)		17°C
(63°F)		12°C
(53°F)
Average high0°C
(33°F)		-0°C
(32°F)		1°C
(34°F)		6°C
(43°F)		10°C
(51°F)		16°C
(62°F)		21°C
(70°F)		23°C
(74°F)		19°C
(66°F)		13°C
(56°F)		8°C
(47°F)		3°C
(37°F)
Daily mean-3°C
(27°F)		-4°C
(25°F)		-2°C
(29°F)		3°C
(37°F)		7°C
(45°F)		13°C
(55°F)		18°C
(64°F)		20°C
(68°F)		16°C
(60°F)		10°C
(51°F)		5°C
(42°F)		0°C
(33°F)
Average low-6°C
(22°F)		-7°C
(20°F)		-5°C
(23°F)		0°C
(32°F)		4°C
(39°F)		10°C
(50°F)		15°C
(59°F)		17°C
(62°F)		12°C
(55°F)		8°C
(46°F)		3°C
(37°F)		-2°C
(29°F)
Mean minimum-13°C
(9°F)		-14°C
(7°F)		-13°C
(8°F)		-5°C
(24°F)		0°C
(33°F)		5°C
(41°F)		10°C
(51°F)		12°C
(54°F)		7°C
(46°F)		3°C
(38°F)		-3°C
(27°F)		-8°C
(18°F)
Minimum-15°C
(5°F)		-16°C
(3°F)		-18°C
(-1°F)		-8°C
(18°F)		-1°C
(30°F)		2°C
(36°F)		10°C
(50°F)		11°C
(52°F)		6°C
(43°F)		1°C
(35°F)		-8°C
(18°F)		-15°C
(6°F)

Compare climate in Sydney with other places

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

Monthly average precipitation in Sydney, Canada

Sydney usually has the most precipitation in April, November and December, with an average of 14 rainy days and 152 mm (6.0 inches) of precipitation per month. The driest months in Sydney are July, August and September. On average, 85 mm (3.3 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)113 (4.5)131 (5.2)118 (4.6)140 (5.5)109 (4.3)102 (4.0)93 (3.7)68 (2.7)93 (3.7)108 (4.2)182 (7.2)134 (5.3)
Average precipitation days (≥ 1 mm)121312141211101011111515

Monthly sunshine hours in Sydney, Canada

The sunniest months in Sydney are June, July and August, when the sun shines an average of 10 hours 57 minutes a day. Least sunny months in Sydney: January, November and December receive an average of 3 hours 31 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 hours81143227236304318331357270216138105
Mean daily daylight hours9h 4m10h 21m11h 57m13h 35m14h 59m15h 41m15h 18m14h 3m12h 29m10h 51m9h 25m8h 40m

Solar UV radiation in Sydney, Canada

Sydney experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 8 - 10, which corresponds to the Very High category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. 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)2357910887532