July in Black Creek runs hotter than in 95% of Canadian towns
January nights here settle around −8.9°C. The seasons are far apart: from a winter night to a summer afternoon the average spans 36°C. Frost is rarer than in 82% of Canadian towns: about 131 nights a year drop below freezing. Picnics, hikes and garden evenings suit May, June, August and September, with highs of 19–26°C.
Figures: ECCC’s 1991–2020 normals for Toronto Pearson (Airport) (13 km south-west).
A year in Black Creek at a glance
Each month’s typical high and low, in °C.
What stands out about Black Creek’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Black Creek feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 131 frosts and 125 warm days a year
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
About 807 mm of rain and snow a 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
Expect snow from November to April, with about 32 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 Black Creek
93% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
Warm days count for nothing; each colder day adds how far its mean sits below 18°C. By this count, homes here need less heating than 83% of Canadian towns.
Living with Black Creek’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Frost usually lets go around 27 April and returns near 20 October, about 174 days apart.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark May, Jun, Aug and Sep.
Parks & trails →Wind chill falls below −20 on about 21 days a year: cover skin and dress in layers.
Plan shade and water for about 56 days a year above 30 on the humidex.
A normal year has no blizzard, flood or heat wave in it; Black Creek’s hazards page looks at those.
Flood & hazards →ECCC’s normals location: Toronto Pearson (Airport)
Toronto Pearson (Airport) is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 13 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), 14 km |
How Black Creek compares
Placed among 2,611 Canadian towns and neighbourhoods of 2,500+, each on its nearest normals location; each dot is another location used in Ontario.
Nearby towns’ climate
Places around Black Creek whose figures come from another normals location.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Black Creek Toronto Pearson (Airport) | 27.4°C | −8.9°C | 807 mm |
| Glenfield-Jane Heights 1.9 km · Toronto Pearson (Airport) | 27.4°C about the same | −8.9°C about the same | 807 mm |
| York University Heights 1.9 km · Toronto (City) | 27.0°C about the same | −6.7°C 2.2°C milder | 823 mm |
| Edgeley 4.4 km · Toronto Buttonville (Airport) | 27.3°C about the same | −10.1°C 1.2°C colder | 862 mm |
Black Creek 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 | −1.2°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 |
From −24.7°C to 26.0°C: March’s coldest and warmest days since 1991
From one year to the next, January’s average typically shifts by 3.0°C around its normal of −5.0°C, the widest of any month, while June’s shifts by 1.3°C.
Where Black Creek’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Toronto Pearson (Airport) (the closest location with all twelve months of temperatures).
- Comparisons: Canadian towns and neighbourhoods of at least 2,500, each placed by its nearest location (city totals and reserves excluded).
- 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 Black Creek’s climate
How warm does Black Creek get in summer?
Expect highs near 27.4°C in July, the hottest month on average.
How cold does Black Creek get in winter?
The coldest nights come in January, averaging −8.9°C.
How much rain and snow does Black Creek get?
Around 807 mm a year in all, from 81 mm in June down to 50 mm in February.
How long does snow stay on the ground?
Roughly 69 days a year start with snow cover of 1 cm or more.
Are these figures for Black Creek itself?
Close to it: they are ECCC’s 1991–2020 normals for Toronto Pearson (Airport), just outside Black Creek’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Black Creek →
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).