New Toronto gets fewer frosts than 87% of Canadian towns
In July the day’s top temperature is typically 25.3°C. Temperatures cover 32°C across the year, low to high. Long walks are most pleasant from June to September, when afternoons reach 21–25°C.
Read at Toronto (Island), 9.5 km east: ECCC’s normals for 1991–2020.
A year in New Toronto at a glance
Each month’s typical high and low, in °C.
What stands out about New Toronto’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in New Toronto feels like
Each season’s and each month’s usual high and low, 1991–2020.
110 frost days and 107 days above 20°C a year
The frost season runs November to April, peaking in January at about 26 nights. Heat of 30°C or more comes on about 5 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
The most falls in June, the least in March. Some 104 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
ECCC’s Toronto (Island) normals leave precipitation out; the figures here come from Toronto (City), 12 km away.
Snowfall: about 115 cm in a normal year
The snow season runs November to April; January brings the most, about 32 cm.
Snowfall by month
Centimetres
Snowfall: Toronto Pearson (Airport), 13 km away (Toronto (Island) records no complete year of it).
Heating a home in New Toronto
92% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
Degree days add up how far each day’s mean temperature falls below 18°C over a year. Over a year, a home here needs less heating than 87% of Canadian towns.
Living with New Toronto’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Plan time outside for Jun, Jul, Aug and Sep: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →Winter brings about 14 days with a wind chill below −20.
Muggy heat with a humidex over 30 arrives on about 45 days a year.
Averages smooth over blizzards, ice storms, floods and heat waves; New Toronto’s hazards page covers the risks.
Flood & hazards →ECCC’s normals location: Toronto (Island)
Toronto (Island) is a composite: ECCC joins 3 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 9.5 km east |
| Station altitude | 77 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Precipitation from | Toronto (City), 12 km |
| Snowfall from | Toronto Pearson (Airport), 13 km |
| Coldest reading, 1991–2020 | −26.9°C |
| Hottest reading, 1991–2020 | 36.5°C |
| Average wind | 16.9 km/h on average, most often from the west |
| Next-nearest location | Toronto (City), 12 km |
How New Toronto 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 New Toronto’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| New Toronto Toronto (Island) | 25.3°C | −7.1°C | 823 mm |
| Long Branch 1.8 km · Toronto (Island) | 25.3°C about the same | −7.1°C about the same | 807 mm |
| Alderwood 2.8 km · Toronto Pearson (Airport) | 27.4°C 2.1°C warmer | −8.9°C 1.8°C colder | 807 mm |
New Toronto weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −0.5°C | −7.1°C | −3.8°C | 65 mm | 32 cm |
| February | 0.3°C | −6.4°C | −3.1°C | 54 mm | 28 cm |
| March | 4.2°C | −2.5°C | 0.8°C | 53 mm | 17 cm |
| April | 10.2°C | 2.7°C | 6.5°C | 78 mm | 5 cm |
| May | 16.8°C | 8.3°C | 12.6°C | 76 mm | under 1 cm |
| June | 22.3°C | 13.9°C | 18.1°C | 82 mm | 0 cm |
| July | 25.3°C | 16.7°C | 21.0°C | 77 mm | 0 cm |
| August | 24.8°C | 17.2°C | 21.0°C | 72 mm | 0 cm |
| September | 20.9°C | 13.4°C | 17.2°C | 69 mm | 0 cm |
| October | 13.8°C | 7.0°C | 10.5°C | 69 mm | under 1 cm |
| November | 7.5°C | 1.7°C | 4.6°C | 71 mm | 9 cm |
| December | 2.5°C | −3.1°C | −0.3°C | 58 mm | 24 cm |
| Year | 12.4°C | 5.1°C | 8.8°C | 823 mm | 115 cm |
Two years in three, January’s average lands within 2.7°C of normal, against the steadier June
Over 1991–2020, March saw both −23.1°C (2003) and 21.8°C (2012), the widest span of any month.
Where New Toronto’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Toronto (Island), the nearest location with a full year of temperatures.
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- Comparisons: a pool of Canadian towns and neighbourhoods of 2,500 or more, read alike; whole cities and reserves stay out of it.
- 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 New Toronto’s climate
How warm does New Toronto get in summer?
Peak warmth comes in July, at about 25.3°C by mid-afternoon.
How cold does New Toronto get in winter?
Overnight lows average −7.1°C in January, the coldest month.
How much rain and snow does New Toronto get?
Precipitation totals 823 mm a year, with June the wettest month (82 mm) and March the driest (53 mm).
Are these figures for New Toronto itself?
Close to it: they are ECCC’s 1991–2020 normals for Toronto (Island), just outside New Toronto’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for New Toronto →
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).