Toronto, Canada Climate & Monthly Averages
The climate of Toronto
The Toronto year is defined by how long its winter lasts: 4 months average sub-freezing nights, bottoming out in January at 19°F (-7°C). Summer is the short exception, with July reaching 79°F (26°C).
Climate quick facts
- Hottest month: July - highs near 79°F (26°C)
- Coldest month: January - highs near 32°F (0°C)
- Decade extremes (2015-2024): 93°F (34°C) high · -13°F (-25°C) low
- Wettest month: April (13 rainy days) · Sunniest: July (12.7 h sun/day)
- Climate type: humid continental
- Annual swing: 26°C between the average warmest and coolest month · day to night: 8°C
- Snow: about 20 days a year
- Months with freezing average lows: 4
- Average humidity: 72%
Temperatures through the year
At its warmest, in July, Toronto runs to 79°F (26°C) in the afternoon and back to 64°F (18°C) by dawn. January is the coolest month, with highs of 32°F (0°C) and lows near 19°F (-7°C). The gridded 2015-2024 daily record for this location tops out at 93°F (34°C) and bottoms at -13°F (-25°C) - decade extremes, not all-time station records. Overnight lows average at or below freezing for 4 months, December through March.
Rain, sun and snow
The wettest month is April (3.9 inches (100 mm) across 13 days) and the driest September. Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is June through September.
How Toronto compares
- Toronto averages 49°F (9°C) across the year - cooler than all but 7% of the 3496 cities we track.
- 29% of the year's precipitation falls in its wettest three months - more evenly spread than all but 9% of the 3496 cities we track.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 32° | 19° | 10 | 2.7 in | 4.8 h/day | 9.3 h | 31% | 72% |
| February | 33° | 18° | 9 | 2.4 in | 6.4 h/day | 10.4 h | 33% | 71% |
| March | 41° | 26° | 10 | 2.6 in | 7.5 h/day | 11.8 h | 34% | 68% |
| April | 51° | 35° | 13 | 3.9 in | 8.9 h/day | 13.4 h | 43% | 69% |
| May | 63° | 47° | 10 | 2.7 in | 10.9 h/day | 14.7 h | 32% | 70% |
| June | 73° | 58° | 10 | 3.6 in | 12.1 h/day | 15.4 h | 34% | 69% |
| July | 79° | 64° | 11 | 2.9 in | 12.7 h/day | 15.1 h | 34% | 70% |
| August | 78° | 64° | 10 | 2.7 in | 11.5 h/day | 14.0 h | 32% | 72% |
| September | 72° | 58° | 9 | 2.3 in | 10.0 h/day | 12.4 h | 29% | 74% |
| October | 59° | 47° | 12 | 3.5 in | 7.0 h/day | 10.9 h | 37% | 74% |
| November | 46° | 35° | 10 | 2.5 in | 5.6 h/day | 9.6 h | 33% | 74% |
| December | 38° | 27° | 12 | 2.9 in | 4.1 h/day | 8.9 h | 39% | 76% |
Toronto month by month
Average high and low for each month, with the bar showing where it sits in Toronto's year (left is the coldest night, right is the warmest afternoon).
January
- Rain
- 10 days
- Sunshine
- 4.8 h
- Daylight
- 9.3 h
- Snow
- 4 days
February
- Rain
- 9 days
- Sunshine
- 6.4 h
- Daylight
- 10.4 h
- Snow
- 5 days
March
- Rain
- 10 days
- Sunshine
- 7.5 h
- Daylight
- 11.8 h
- Snow
- 3 days
April
- Rain
- 13 days
- Sunshine
- 8.9 h
- Daylight
- 13.4 h
- Snow
- 1 day
May
- Rain
- 10 days
- Sunshine
- 10.9 h
- Daylight
- 14.7 h
June
- Rain
- 10 days
- Sunshine
- 12.1 h
- Daylight
- 15.4 h
July
- Rain
- 11 days
- Sunshine
- 12.7 h
- Daylight
- 15.1 h
August
- Rain
- 10 days
- Sunshine
- 11.5 h
- Daylight
- 14.0 h
September
- Rain
- 9 days
- Sunshine
- 10.0 h
- Daylight
- 12.4 h
October
- Rain
- 12 days
- Sunshine
- 7.0 h
- Daylight
- 10.9 h
November
- Rain
- 10 days
- Sunshine
- 5.6 h
- Daylight
- 9.6 h
- Snow
- 1 day
December
- Rain
- 12 days
- Sunshine
- 4.1 h
- Daylight
- 8.9 h
- Snow
- 5 days
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons in Toronto
Spring (March through May)
Through spring, Toronto runs cold: 52°F (11°C) by day, 36°F (2°C) after dark, and rain falls on around 33 of the 90 days, plus about 4 snowy days.
Summer (June through August)
Summer in Toronto is pleasantly warm, with daytime highs averaging 77°F (25°C) and nights around 62°F (16°C); rain falls on around 31 of the 90 days. Daylight is generous - around 12.1 hours of sun a day.
Fall (September through November)
Fall runs cool rather than cold here - highs near 59°F (15°C), nights near 46°F (8°C), and rain falls on around 30 of the 90 days.
Winter (December through February)
Winter in Toronto brings deep cold, with daytime highs averaging 34°F (1°C) and nights around 22°F (-6°C); rain falls on around 31 of the 90 days, plus about 15 snowy days. Wind sharpens cold like this considerably; pair the forecast winds with the wind speed converter to judge exposed conditions.
Climate questions, answered
What should I pack for Toronto?
Is Toronto cold in winter?
Is Toronto humid?
How sunny is Toronto?
When does Toronto drop below freezing?
Best time to visit Toronto
Aim for May to October if you get the choice: these are the warmest and brightest weeks of the year, and highs average 71°F (22°C) against roughly 10 wet days a month. For the same question asked the other way round, see where else is warm in May.
Pack for Toronto with a heavy insulated coat, hat and gloves for winter and a compact umbrella or rain shell. July nights average 64°F (18°C), so evenings rarely match the afternoons.
Toronto temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.