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Toronto (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Toronto.
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Climate overview of Toronto
The temperature differences between the seasons can be very large. Toronto has cold winters, where average temperatures can drop below -10°C (14°F) and snowfall is very likely to be seen between November and mid-April. The city can experience heavy snowstorms. However, the winters also has milder periods.
Summers are warm, very humid and there can be a lot of precipitation. The humidity also means that summers can feel extremely hot. Spring and autumn are transitional seasons and are actually the best time to visit Toronto. It is not too hot and not too cold. Keep in mind that the weather in Toronto is very changeable and can change from day to day.
Toronto Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Toronto - and find the best time to visit.
Monthly Temperature in Toronto
In Toronto, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C (79°F) in July to a very cold 1°C (34°F) in January.
Nighttime temperatures range from 18°C (64°F) in July to -7°C (19°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Toronto
On average, Toronto receives a reasonable amount of rain/snowfall, with an annual precipitation of 964 mm (38 in). The wettest period in Toronto occurs in April, which receives around 95 mm (3.7 in) of precipitation. During the driest month, August, Toronto experiences moderate rainfall, totaling 68 mm (2.7 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Toronto Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Toronto
In Toronto, summer days are longer and more sunny, with daily sunshine hours peaking at 9.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.6 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Toronto by Month
The city experiences its highest humidity in September, reaching 87%. In April, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Toronto
For comfortable weather, consider visiting Toronto in June, July, August and September. Conditions are usually least favourable in January, February, March, April, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
cold
Apr
cold
May
good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
good
Nov
cold
Dec
cold
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Toronto
What is the best time to visit Toronto?
June, July, August and September typically offer the most optimal weather in Toronto. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Toronto has warm summers and very cold winters.
What temperatures can I expect in Toronto?
Daytime highs range from 1°C (34°F) in January to 26°C (79°F) in July. Nighttime lows range from -7°C (19°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Toronto get?
Annual rainfall is around 964 mm (38 in). April is the wettest month with 95 mm (3.7 in), while August is the driest with 68 mm (2.7 in).
How sunny is Toronto?
Toronto receives around 2,070 hours of sunshine per year. July is the sunniest month with 280 hours, while December is the cloudiest with just 78 hours. Overall, Toronto enjoys abundant sunshine.
Toronto 3-Day Forecast
Toronto on the map
Toronto is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Toronto
16°C (61°F) Niagara Falls15°C (59°F) Montréal14°C (57°F) Ottawa14°C (57°F) Vancouver
14°C (57°F) Quebec City12°C (54°F) Calgary
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