nomadseason

Monthly climate in Toronto, Canada

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Toronto features a humid continental climate (Dfb). Temperatures typically range between -4 °C (25 °F) and 22 °C (72 °F) through the year, but rarely can drop to -25 °C (-12 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 904 mm (35.6 inches) and receives 129 rainy days on the 1 mm (0.04 inches) threshold annually. Toronto enjoys an average of 2848 hours of sunshine throughout the year, and daylight varies from 8 hours 57 minutes to 15 hours 23 minutes per day.

Monthly average temperatures in Toronto, Canada

The warmest months in Toronto are June, July and August, with daily mean temperatures ranging from 19 to 22 °C (66 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -1 °C (25 - 31 °F) throughout the day. On average each year, Toronto experiences 53 days above 25 °C (77.0 °F) and 121 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Toronto. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(53°F)		16°C
(62°F)		19°C
(66°F)		22°C
(72°F)		30°C
(86°F)		31°C
(89°F)		34°C
(93°F)		33°C
(92°F)		33°C
(91°F)		30°C
(86°F)		22°C
(72°F)		16°C
(61°F)
Mean maximum8°C
(47°F)		11°C
(53°F)		16°C
(61°F)		19°C
(66°F)		29°C
(84°F)		31°C
(87°F)		32°C
(90°F)		31°C
(88°F)		30°C
(85°F)		26°C
(79°F)		16°C
(61°F)		11°C
(53°F)
Average high-1°C
(31°F)		0°C
(33°F)		5°C
(41°F)		10°C
(51°F)		17°C
(63°F)		23°C
(74°F)		27°C
(80°F)		26°C
(79°F)		22°C
(72°F)		15°C
(59°F)		7°C
(45°F)		2°C
(36°F)
Daily mean-4°C
(25°F)		-3°C
(26°F)		0°C
(33°F)		6°C
(43°F)		13°C
(55°F)		19°C
(66°F)		22°C
(72°F)		21°C
(71°F)		17°C
(64°F)		11°C
(52°F)		3°C
(38°F)		-1°C
(31°F)
Average low-8°C
(18°F)		-8°C
(19°F)		-4°C
(26°F)		2°C
(36°F)		8°C
(46°F)		14°C
(57°F)		17°C
(64°F)		17°C
(62°F)		13°C
(55°F)		7°C
(45°F)		-0°C
(32°F)		-4°C
(25°F)
Mean minimum-19°C
(-3°F)		-19°C
(-1°F)		-14°C
(7°F)		-4°C
(25°F)		1°C
(34°F)		8°C
(47°F)		12°C
(55°F)		11°C
(52°F)		6°C
(43°F)		-1°C
(31°F)		-10°C
(14°F)		-14°C
(8°F)
Minimum-25°C
(-12°F)		-23°C
(-9°F)		-20°C
(-4°F)		-6°C
(22°F)		-3°C
(28°F)		3°C
(38°F)		11°C
(52°F)		9°C
(48°F)		3°C
(38°F)		-2°C
(29°F)		-15°C
(5°F)		-24°C
(-11°F)

Compare climate in Toronto with other places

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

Monthly average precipitation in Toronto, Canada

Toronto usually has the most precipitation in April, May and October, with an average of 12 rainy days and 94 mm (3.7 inches) of precipitation per month. The driest months in Toronto are January, March and September. On average, 59 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Toronto. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)62 (2.5)65 (2.6)58 (2.3)98 (3.9)90 (3.6)79 (3.1)78 (3.1)78 (3.1)58 (2.3)95 (3.7)72 (2.8)70 (2.8)
Average precipitation days (≥ 1 mm)812913111011128131012

Monthly sunshine hours in Toronto, Canada

The sunniest months in Toronto are June, July and August, when the sun shines an average of 11 hours 14 minutes a day. Least sunny months in Toronto: January, November and December receive an average of 4 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Toronto. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours112156230239293339350344306203153118
Mean daily daylight hours9h 19m10h 29m11h 57m13h 28m14h 45m15h 23m15h 2m13h 53m12h 27m10h 56m9h 37m8h 57m

Solar UV radiation in Toronto, Canada

Toronto experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 9 - 9, which corresponds to the Very High category of sun exposure. January, November 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 Toronto UV Index data.

Average daily maximum UV levels by month for Toronto. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)245899997532