Summer arrives in force in Glenfield-Jane Heights, hotter than in 95% of Canadian towns
Deep winter brings January lows near −8.9°C. Winter and summer sit 36°C apart. Frost is rarer than in 82% of Canadian towns: about 131 nights a year drop below freezing. Windshields need scraping on about 131 mornings a year, the days the air reaches 0°C or below.
Environment and Climate Change Canada’s 1991–2020 normals at its Toronto Pearson (Airport) station, 12 km south-west.
A year in Glenfield-Jane Heights at a glance
Each month’s typical high and low, in °C.
What stands out about Glenfield-Jane Heights’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Glenfield-Jane Heights feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 131 days, 20°C on 125
From October to April frost is routine, and in January it comes on almost every night. Some 17 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
807 mm of precipitation in a typical year
June brings the most rain and snow; February, the least. On about 106 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
115 cm of snow in a typical year
The snow season runs November to April; January brings the most, about 32 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Glenfield-Jane Heights
93% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
Each day the mean sits under 18°C adds its shortfall; a year’s total is its heating degree days. A house here needs less heating than 83% of Canadian towns.
Living with Glenfield-Jane Heights’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
On average the last spring frost comes around 27 April and the first autumn frost around 20 October: about 174 frost-free days between.
Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to May, Jun, Aug and Sep.
Parks & trails →On some 21 days a year the wind chill drops past −20; mitts and a scarf earn their place.
Summer brings about 56 days when the humidex passes 30.
Severe weather is a separate story from the averages: see Glenfield-Jane Heights’s hazards page.
Flood & hazards →ECCC’s normals location: Toronto Pearson (Airport)
Behind the 1991–2020 normals for Toronto Pearson (Airport) are 2 stations, which ECCC combines into one record.
| Distance from the town | 12 km south-west |
| Station altitude | 173 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −31.0°C |
| Hottest reading, 1991–2020 | 37.9°C |
| Average wind | 15.7 km/h on average, most often from the west |
| Next-nearest location | Toronto (City), 12 km |
How Glenfield-Jane Heights compares
Against the 2,611 Canadian towns and neighbourhoods of 2,500 or more, each read from its own normals location; the dots are the other locations those towns use in Ontario.
Nearby towns’ climate
Places around Glenfield-Jane Heights whose figures come from another normals location.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Glenfield-Jane Heights Toronto Pearson (Airport) | 27.4°C | −8.9°C | 807 mm |
| York University Heights 1.6 km · Toronto (City) | 27.0°C about the same | −6.7°C 2.2°C milder | 823 mm |
| Black Creek 1.9 km · Toronto Pearson (Airport) | 27.4°C about the same | −8.9°C about the same | 807 mm |
Glenfield-Jane Heights weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −1.2°C | −8.9°C | −5.0°C | 62 mm | 32 cm |
| February | −0.3°C | −8.5°C | −4.4°C | 50 mm | 28 cm |
| March | 5.0°C | −3.8°C | 0.6°C | 51 mm | 17 cm |
| April | 12.0°C | 1.9°C | 7.0°C | 77 mm | 5 cm |
| May | 19.2°C | 8.2°C | 13.7°C | 78 mm | under 1 cm |
| June | 24.5°C | 13.9°C | 19.2°C | 81 mm | 0 cm |
| July | 27.4°C | 16.6°C | 22.1°C | 74 mm | 0 cm |
| August | 26.3°C | 15.8°C | 21.1°C | 69 mm | 0 cm |
| September | 22.3°C | 11.6°C | 16.9°C | 69 mm | 0 cm |
| October | 14.6°C | 5.3°C | 10.0°C | 67 mm | under 1 cm |
| November | 7.9°C | 0.2°C | 4.1°C | 72 mm | 9 cm |
| December | 1.9°C | −5.0°C | −1.6°C | 59 mm | 24 cm |
| Year | 13.3°C | 3.9°C | 8.6°C | 807 mm | 115 cm |
The most changeable month: January, give or take 3.0°C; the steadiest, June
The thirty-year records stretch furthest in March: a low of −24.7°C in 2003 and a high of 26.0°C in 2012.
Where Glenfield-Jane Heights’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Toronto Pearson (Airport): the nearest of its locations with every month’s temperatures.
- Comparisons: the towns and neighbourhoods of 2,500+ across Canada, each on its nearest normals location, without the city totals or the reserves.
- 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 Glenfield-Jane Heights’s climate
How warm does Glenfield-Jane Heights get in summer?
Peak warmth comes in July, at about 27.4°C by mid-afternoon.
How cold does Glenfield-Jane Heights get in winter?
A typical January night falls to −8.9°C, the year’s low point.
How much rain and snow does Glenfield-Jane Heights get?
June is the wettest month at 81 mm and February the driest at 50 mm, for 807 mm over the year.
How long does snow stay on the ground?
About 69 days a year have 1 cm of snow or more on the ground.
Are these figures for Glenfield-Jane Heights itself?
Close to it: they are ECCC’s 1991–2020 normals for Toronto Pearson (Airport), just outside Glenfield-Jane Heights’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Glenfield-Jane Heights →
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).