Dorset Park has warmer summer afternoons than 91% of Canadian towns
On a normal January night the air cools to about −10.1°C. The gap between a January night and a July afternoon is 37°C. Frost is rarer than in 70% of Canadian towns: about 145 nights a year drop below freezing. Warm coats and heating bills mark the months from October to April, when means dip under 10°C.
Figures: ECCC’s 1991–2020 normals for Toronto Buttonville (Airport) (13 km north-west).
A year in Dorset Park at a glance
Each month’s typical high and low, in °C.
What stands out about Dorset Park’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Dorset Park feels like
Each season’s and each month’s usual high and low, 1991–2020.
145 frost days and 126 days above 20°C a year
Frost comes from October to May; in January almost every night freezes. On about 6 nights a year the air falls below −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
Rain and melted snow: about 862 mm a year
The most falls in June, the least in February. Some 113 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 146 cm of snow a year
Expect snow from November to April, with about 40 cm in January, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Dorset Park
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
The count adds up, day by day, how far the mean temperature falls short of 18°C. By this count, homes here need less heating than 74% of Canadian towns.
Living with Dorset Park’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
From about 3 May to 13 October the garden is usually clear of frost, some 161 days.
Highs of 17–27°C with nights of 8°C or more come in Jun, Aug and Sep.
Parks & trails →Plan for about 22 days a year with a wind chill below −20.
About 55 days a year turn sultry, with the humidex past 30.
Storms, floods and heat waves sit outside these normals; Dorset Park’s hazards page covers them.
Flood & hazards →ECCC’s normals location: Toronto Buttonville (Airport)
Behind the 1991–2020 normals for Toronto Buttonville (Airport) are 3 stations, which ECCC combines into one record.
| Distance from the town | 13 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), 14 km |
How Dorset Park 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
The nearest places on a normals location of their own: those that share Dorset Park’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Dorset Park Toronto Buttonville (Airport) | 27.3°C | −10.1°C | 862 mm |
| Bendale-Glen Andrew 1.7 km · Toronto Buttonville (Airport) | 27.3°C about the same | −10.1°C about the same | 862 mm |
| Wexford/Maryvale 2.2 km · Toronto (City) | 27.0°C about the same | −6.7°C 3.4°C milder | 823 mm |
Dorset Park 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 |
The most changeable month: January, give or take 3.1°C; the steadiest, June
Each bar spans a month’s coldest and warmest readings over thirty years; March’s run from −25.6°C in 2003 to 26.3°C in 2012.
Where Dorset Park’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Toronto Buttonville (Airport), the closest ECCC location with twelve months of temperature normals.
- Comparisons: every Canadian town and neighbourhood of 2,500 or more, each read from its own nearest location; city totals and reserves are left out.
- 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 Dorset Park’s climate
How warm does Dorset Park get in summer?
The warmest month is July, when afternoons average 27.3°C.
How cold does Dorset Park get in winter?
Winter bottoms out in January, with lows near −10.1°C.
How much rain and snow does Dorset Park get?
Measured as water, a year brings 862 mm: 87 mm in June, the wettest month, and 51 mm in February, the driest.
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 Dorset Park itself?
They are the normals for Toronto Buttonville (Airport), measured just outside Dorset Park itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Dorset Park →
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).