Frosty mornings in Yonge-Bay Corridor are scarcer than in 89% of Canadian towns
Expect July afternoons of about 27.0°C. Temperatures cover 34°C across the year, low to high. Its July heat outdoes that of 86% of Canadian towns. Warm coats and heating bills mark the months from November to April, when means dip under 10°C.
Figures: ECCC’s 1991–2020 normals for Toronto (City) (2.0 km north-west).
A year in Yonge-Bay Corridor at a glance
Each month’s typical high and low, in °C.
What stands out about Yonge-Bay Corridor’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Yonge-Bay Corridor feels like
Each season’s and each month’s usual high and low, 1991–2020.
101 frost days and 124 days above 20°C a year
Frosts fall from November to April; January has the most, about 26. Some 14 days a year climb past 30°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
823 mm of precipitation in a typical year
June is the wettest month and March the driest. On about 104 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
115 cm of snow in a typical year
Snow falls from November to April, most of all in January (about 32 cm).
Snowfall by month
Centimetres
ECCC’s Toronto (City) normals leave snowfall out; the figures here come from Toronto Pearson (Airport), 20 km away.
Heating a home in Yonge-Bay Corridor
94% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
Warm days count for nothing; each colder day adds how far its mean sits below 18°C. In heating terms, homes need less heating than 90% of Canadian towns.
Living with Yonge-Bay Corridor’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Plant out after about 11 April; the first frost of autumn usually arrives near 6 November, leaving roughly 208 days without frost.
Highs of 17–27°C with nights of 8°C or more come in May, Jun, Jul, Aug and Sep.
Parks & trails →The humidex tops 30 on about 59 days a year: muggy days to plan around.
Thirty-year normals hide the storms and the extremes: the hazards page has Yonge-Bay Corridor’s risks.
Flood & hazards →ECCC’s normals location: Toronto (City)
Behind the 1991–2020 normals for Toronto (City) are 2 stations, which ECCC combines into one record.
| Distance from the town | 2.0 km north-west |
| Station altitude | 113 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Toronto Pearson (Airport), 20 km |
| Coldest reading, 1991–2020 | −25.9°C |
| Hottest reading, 1991–2020 | 38.2°C |
| Next-nearest location | Toronto (Island), 3.3 km |
How Yonge-Bay Corridor compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Ontario.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Yonge-Bay Corridor’s own would show the same figures). The nearest places to Yonge-Bay Corridor with figures are 23–26 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Yonge-Bay Corridor Toronto (City) | 27.0°C | −6.7°C | 823 mm |
| Vaughan 23 km · Toronto Buttonville (Airport) | 27.3°C about the same | −10.1°C 3.4°C colder | 862 mm |
| Mississauga 24 km · Toronto Pearson (Airport) | 27.4°C about the same | −8.9°C 2.2°C colder | 807 mm |
Yonge-Bay Corridor weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −0.3°C | −6.7°C | −3.5°C | 65 mm | 32 cm |
| February | 0.6°C | −6.0°C | −2.7°C | 54 mm | 28 cm |
| March | 5.1°C | −1.8°C | 1.7°C | 53 mm | 17 cm |
| April | 11.7°C | 3.9°C | 7.8°C | 78 mm | 5 cm |
| May | 18.8°C | 10.0°C | 14.5°C | 76 mm | under 1 cm |
| June | 24.2°C | 15.3°C | 19.8°C | 82 mm | 0 cm |
| July | 27.0°C | 18.1°C | 22.5°C | 77 mm | 0 cm |
| August | 26.1°C | 17.7°C | 21.9°C | 72 mm | 0 cm |
| September | 22.0°C | 13.8°C | 17.9°C | 69 mm | 0 cm |
| October | 14.6°C | 7.7°C | 11.2°C | 69 mm | under 1 cm |
| November | 8.1°C | 2.3°C | 5.2°C | 71 mm | 9 cm |
| December | 2.6°C | −2.7°C | −0.1°C | 58 mm | 24 cm |
| Year | 13.4°C | 6.0°C | 9.7°C | 823 mm | 115 cm |
A January here can run warm or cold, its average moving by about 2.7°C; the steadiest month is June
The thirty-year records stretch furthest in March: a low of −23.1°C in 2003 and a high of 25.7°C in 1998.
Where Yonge-Bay Corridor’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Toronto (City) (the closest location with all twelve months of temperatures).
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- Comparisons: the 2,500-plus towns and neighbourhoods of Canada, each read from its closest normals location; whole cities and reserves aren’t counted.
- Not on this page: sunshine, absent from every 1991–2020 location, and an altitude correction, for want of the town’s own elevation.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Yonge-Bay Corridor’s climate
How warm does Yonge-Bay Corridor get in summer?
Of all twelve months, July has the warmest afternoons, about 27.0°C.
How cold does Yonge-Bay Corridor get in winter?
In January, the coldest month, the typical low is −6.7°C.
How much rain and snow does Yonge-Bay Corridor get?
Count on roughly 823 mm a year, heaviest in June (82 mm) and lightest in March (53 mm).
Are these figures for Yonge-Bay Corridor itself?
Nearly: Toronto (City), the location behind them, sits just beyond Yonge-Bay Corridor’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Yonge-Bay Corridor →
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).