July in Steeles runs hotter than in 91% of Canadian towns
Deep winter brings January lows near −10.1°C. By frosts alone, it ranks gentler than 70% of Canadian towns. Expect the most rain and snow in June and the least in February. Have the furnace checked before October to April, the months that average under 10°C.
Figures: ECCC’s 1991–2020 normals for Toronto Buttonville (Airport) (6.3 km north-west).
A year in Steeles at a glance
Each month’s typical high and low, in °C.
What stands out about Steeles’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Steeles feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 145 days, 20°C on 126
From October to May frost is routine, and in January it comes on almost every night. Deep cold, under −20°C, comes on about 6 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
862 mm of precipitation in a typical year
About 113 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 146 cm in a normal year
From November to April snow is likely; January is the peak, at about 40 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Steeles
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
A day averaging 10 degrees under 18°C adds 10 to the total; warm days add nothing. By this count, homes here need less heating than 74% of Canadian towns.
Living with Steeles’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
The frost-free stretch runs from about 3 May to about 13 October, some 161 days in a normal year.
Highs of 17–27°C with nights of 8°C or more come in Jun, Aug and Sep.
Parks & trails →The wind chill passes −20 on about 22 days in a normal year.
About 55 days a year feel above 30 on the humidex.
Ice storms, floods and heat waves are risks, not averages: they are on Steeles’s hazards page.
Flood & hazards →ECCC’s normals location: Toronto Buttonville (Airport)
ECCC builds the Toronto Buttonville (Airport) normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 6.3 km north-west |
| Station altitude | 198 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −35.2°C |
| Hottest reading, 1991–2020 | 37.8°C |
| Average wind | 12.2 km/h on average, most often from the north |
| Next-nearest location | Toronto (City), 17 km |
How Steeles 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
Places around Steeles whose figures come from another normals location. The nearest places to Steeles with figures are 12–24 km away.
Steeles weather by month
Month by month, 1991–2020: the usual high, low and mean, the rain and snow, and the snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −1.7°C | −10.1°C | −6.0°C | 64 mm | 40 cm |
| February | −1.0°C | −10.1°C | −5.6°C | 51 mm | 34 cm |
| March | 4.6°C | −5.0°C | −0.2°C | 52 mm | 20 cm |
| April | 11.8°C | 1.2°C | 6.5°C | 79 mm | 7 cm |
| May | 19.3°C | 7.4°C | 13.4°C | 80 mm | under 1 cm |
| June | 24.6°C | 13.0°C | 18.8°C | 87 mm | 0 cm |
| July | 27.3°C | 15.6°C | 21.5°C | 85 mm | 0 cm |
| August | 26.3°C | 14.8°C | 20.6°C | 72 mm | 0 cm |
| September | 21.9°C | 10.4°C | 16.2°C | 83 mm | 0 cm |
| October | 14.3°C | 4.3°C | 9.4°C | 71 mm | 1 cm |
| November | 7.4°C | −0.8°C | 3.3°C | 77 mm | 12 cm |
| December | 1.5°C | −5.8°C | −2.2°C | 63 mm | 33 cm |
| Year | 13.0°C | 2.9°C | 8.0°C | 862 mm | 146 cm |
March: −25.6°C at its coldest, 26.3°C at its warmest
Year to year, January varies most (a standard deviation of 3.1°C around −6.0°C) and June least (1.2°C).
Where Steeles’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the closest ECCC location with twelve months of temperature normals, Toronto Buttonville (Airport), 1991–2020.
- 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: a sunshine figure (ECCC published none for 1991–2020) and any lapse-rate correction for height, as the town has no elevation here.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Steeles’s climate
How warm does Steeles get in summer?
A normal July afternoon tops out at about 27.3°C, the year’s high point.
How cold does Steeles get in winter?
Winter bottoms out in January, with lows near −10.1°C.
How much rain and snow does Steeles get?
The yearly total is about 862 mm. June gets 87 mm, the most of any month; February gets 51 mm, the least.
How long does snow stay on the ground?
Snow lies on the ground for about 76 days in a normal year.
Are these figures for Steeles itself?
Almost: ECCC’s Toronto Buttonville (Airport) location, which gives these figures, lies a short way outside Steeles.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Steeles →
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).