Ice rarely forms: Junction-Wallace Emerson sees fewer frosts than 89% of Canadian towns
Midsummer highs settle at about 27.0°C. The wettest month is June; the driest is March. Its July heat outdoes that of 86% of Canadian towns. Homes need heating from November to April, the months averaging under 10°C.
Figures: ECCC’s 1991–2020 normals for Toronto (City) (3.6 km east).
A year in Junction-Wallace Emerson at a glance
Each month’s typical high and low, in °C.
What stands out about Junction-Wallace Emerson’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Junction-Wallace Emerson feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 101 days, 20°C on 124
Frost comes from November to April, most of all in January (about 26 nights). 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
Rain and melted snow: about 823 mm a year
Some 104 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
About 115 cm of snow a year
Expect snow from November to April, with about 32 cm in January, the snowiest month.
Snowfall by month
Centimetres
ECCC’s Toronto (City) normals leave snowfall out; the figures here come from Toronto Pearson (Airport), 15 km away.
Heating a home in Junction-Wallace Emerson
94% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
The total grows by a degree for every degree a day’s mean sits under 18°C. By this count, homes here need less heating than 90% of Canadian towns.
Living with Junction-Wallace Emerson’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
On average the last spring frost comes around 11 April and the first autumn frost around 6 November: about 208 frost-free days between.
Highs of 17–27°C with nights of 8°C or more come in May, Jun, Jul, Aug and Sep.
Parks & trails →Expect around 59 sticky days a year with the humidex above 30.
Severe weather is a separate story from the averages: see Junction-Wallace Emerson’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 | 3.6 km east |
| Station altitude | 113 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Toronto Pearson (Airport), 15 km |
| Coldest reading, 1991–2020 | −25.9°C |
| Hottest reading, 1991–2020 | 38.2°C |
| Next-nearest location | Toronto (Island), 5.2 km |
How Junction-Wallace Emerson 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
Nearby places read from a different ECCC location (places on Junction-Wallace Emerson’s own would show the same figures). The nearest places to Junction-Wallace Emerson with figures are 20–26 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Junction-Wallace Emerson Toronto (City) | 27.0°C | −6.7°C | 823 mm |
| Mississauga 20 km · Toronto Pearson (Airport) | 27.4°C about the same | −8.9°C 2.2°C colder | 807 mm |
| Vaughan 20 km · Toronto Buttonville (Airport) | 27.3°C about the same | −10.1°C 3.4°C colder | 862 mm |
Junction-Wallace Emerson 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 most changeable month: January, give or take 2.7°C; the steadiest, June
Bars run from each month’s record low to its record high since 1991. March spans the most, from −23.1°C (2003) to 25.7°C (1998).
Where Junction-Wallace Emerson’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Toronto (City), the closest ECCC location with twelve months of temperature normals.
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- Not on this page: sunshine, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Junction-Wallace Emerson’s climate
How warm does Junction-Wallace Emerson get in summer?
Peak warmth comes in July, at about 27.0°C by mid-afternoon.
How cold does Junction-Wallace Emerson get in winter?
The coldest nights come in January, averaging −6.7°C.
How much rain and snow does Junction-Wallace Emerson get?
The yearly total is about 823 mm. June gets 82 mm, the most of any month; March gets 53 mm, the least.
Are these figures for Junction-Wallace Emerson itself?
They are the normals for Toronto (City), measured just outside Junction-Wallace Emerson itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Junction-Wallace Emerson →
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).