Ice rarely forms: Caledonia-Fairbank sees fewer frosts than 89% of Canadian towns
In July the day’s top temperature is typically 27.0°C. Rain or snow is most frequent in June and least in March. Summer afternoons here are warmer than in 86% of Canadian towns. Comfortable outdoor weather lasts from May to September, with highs of 19–27°C.
Read at Toronto (City), 4.8 km south-east: ECCC’s normals for 1991–2020.
A year in Caledonia-Fairbank at a glance
Each month’s typical high and low, in °C.
What stands out about Caledonia-Fairbank’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Caledonia-Fairbank feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 101 frosts and 124 warm days a year
Frost comes from November to April, most of all in January (about 26 nights). About 14 days a year top 30°C.
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
About 104 days a year bring 1 mm or more.
Rain and snow 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
Toronto (City) publishes no full year of snowfall, so these figures come from Toronto Pearson (Airport), 14 km away.
Heating a home in Caledonia-Fairbank
94% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
Every day colder than 18°C on average adds its gap in degrees to the year’s heating total. In heating terms, homes need less heating than 90% of Canadian towns.
Living with Caledonia-Fairbank’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
The frost-free stretch runs from about 11 April to about 6 November, some 208 days in a normal year.
The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: May, Jun, Jul, Aug and Sep.
Parks & trails →Humid heat, a humidex over 30, comes on about 59 days a year.
Storms, floods and heat waves sit outside these normals; Caledonia-Fairbank’s hazards page covers them.
Flood & hazards →ECCC’s normals location: Toronto (City)
Toronto (City) is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 4.8 km south-east |
| Station altitude | 113 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Toronto Pearson (Airport), 14 km |
| Coldest reading, 1991–2020 | −25.9°C |
| Hottest reading, 1991–2020 | 38.2°C |
| Next-nearest location | Toronto (Island), 7.9 km |
How Caledonia-Fairbank 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
Nearby places read from a different ECCC location (places on Caledonia-Fairbank’s own would show the same figures). Distances here run 17–25 km: that is how far the nearest places with figures are from Caledonia-Fairbank.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Caledonia-Fairbank Toronto (City) | 27.0°C | −6.7°C | 823 mm |
| Vaughan 17 km · Toronto Buttonville (Airport) | 27.3°C about the same | −10.1°C 3.4°C colder | 862 mm |
| Mississauga 21 km · Toronto Pearson (Airport) | 27.4°C about the same | −8.9°C 2.2°C colder | 807 mm |
Caledonia-Fairbank 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 |
A March here can run from −23.1°C to 25.7°C
Two years in three, January’s average falls within 2.7°C of its normal of −3.5°C; June keeps to within 1.2°C.
Where Caledonia-Fairbank’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: Canadian towns and neighbourhoods of at least 2,500, each placed by its nearest location (city totals and reserves excluded).
- 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 Caledonia-Fairbank’s climate
How warm does Caledonia-Fairbank get in summer?
A normal July afternoon tops out at about 27.0°C, the year’s high point.
How cold does Caledonia-Fairbank get in winter?
Deep winter means January, when nights average −6.7°C.
How much rain and snow does Caledonia-Fairbank get?
Count on roughly 823 mm a year, heaviest in June (82 mm) and lightest in March (53 mm).
Are these figures for Caledonia-Fairbank itself?
Close to it: they are ECCC’s 1991–2020 normals for Toronto (City), just outside Caledonia-Fairbank’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Caledonia-Fairbank →
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).