Frosty mornings in Beechborough-Greenbrook are scarcer than in 89% of Canadian towns
July afternoons average 27.0°C. Summer afternoons here are warmer than in 86% of Canadian towns. The year swings widely: the coldest month’s nights and the warmest month’s afternoons are 34°C apart. Homes need heating from November to April, the months averaging under 10°C.
Figures: ECCC’s 1991–2020 normals for Toronto (City) (6.5 km south-east).
A year in Beechborough-Greenbrook at a glance
Each month’s typical high and low, in °C.
What stands out about Beechborough-Greenbrook’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Beechborough-Greenbrook feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on 101 days, 20°C on 124
Frost comes from November to April, most of all in January (about 26 nights). Heat of 30°C or more comes on about 14 days a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 823 mm of rain and snow a year
June brings the most rain and snow; March, the least. On about 104 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Snowfall: about 115 cm in a normal year
Snow falls from November to April, most of all in January (about 32 cm).
Snowfall by month
Centimetres
Snowfall: Toronto Pearson (Airport), 13 km away (Toronto (City) records no complete year of it).
Heating a home in Beechborough-Greenbrook
94% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
Heating degree days total each day’s gap between its mean temperature and 18°C. By this count, homes here need less heating than 90% of Canadian towns.
Living with Beechborough-Greenbrook’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Seedlings can go out once the average last frost, around 11 April, has passed; autumn’s first, near 6 November, ends a season of about 208 days.
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.
What averages leave out, the floods and ice storms, is on Beechborough-Greenbrook’s hazards page.
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 | 6.5 km south-east |
| Station altitude | 113 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Toronto Pearson (Airport), 13 km |
| Coldest reading, 1991–2020 | −25.9°C |
| Hottest reading, 1991–2020 | 38.2°C |
| Next-nearest location | Toronto (Island), 9.3 km |
How Beechborough-Greenbrook 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 Beechborough-Greenbrook whose figures come from another normals location. No closer places have figures: these lie 16–23 km from Beechborough-Greenbrook.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Beechborough-Greenbrook Toronto (City) | 27.0°C | −6.7°C | 823 mm |
| Vaughan 16 km · Toronto Buttonville (Airport) | 27.3°C about the same | −10.1°C 3.4°C colder | 862 mm |
| Mississauga 20 km · Toronto Pearson (Airport) | 27.4°C about the same | −8.9°C 2.2°C colder | 807 mm |
Beechborough-Greenbrook weather by month
Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.
| 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 |
The month with the widest range: March, −23.1°C to 25.7°C
January is the least predictable month: about two years in three its average lands within 2.7°C of the normal, −3.5°C. June is the steadiest, within 1.2°C.
Where Beechborough-Greenbrook’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Toronto (City), the nearest location with a full year of temperatures.
- Other locations: where a location publishes no full year of precipitation or snowfall, the nearest one that does supplies it, named beside those figures.
- 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 Beechborough-Greenbrook’s climate
How warm does Beechborough-Greenbrook get in summer?
A normal July afternoon tops out at about 27.0°C, the year’s high point.
How cold does Beechborough-Greenbrook get in winter?
Winter bottoms out in January, with lows near −6.7°C.
How much rain and snow does Beechborough-Greenbrook get?
823 mm a year counting snow as water. The wettest month is June (82 mm); the driest, March (53 mm).
Are these figures for Beechborough-Greenbrook itself?
Nearly: Toronto (City), the location behind them, sits just beyond Beechborough-Greenbrook’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Beechborough-Greenbrook →
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).