July in Cathedraltown runs hotter than in 91% of Canadian towns
The depth of winter brings overnight lows near −10.1°C. The year swings widely: the coldest month’s nights and the warmest month’s afternoons are 37°C apart. Only about 145 nights a year bring a frost, fewer than in 70% of Canadian towns. The heating season runs October to April: each of those months averages under 10°C.
ECCC publishes no normals for Cathedraltown itself; the figures are those of Toronto Buttonville (Airport), 4.3 km south.
A year in Cathedraltown at a glance
Each month’s typical high and low, in °C.
What stands out about Cathedraltown’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Cathedraltown feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 145 frosts and 126 warm days a year
The frost season runs October to May, and January freezes nearly every night. Some 6 nights a year drop under −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
862 mm of precipitation in a typical year
The most falls in June, the least in February. On about 113 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 146 cm in a normal year
Expect snow from November to April, with about 40 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 Cathedraltown
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Think of it as a year’s worth of daily shortfalls below 18°C, added up. Homes here need less heating than 74% of Canadian towns.
Living with Cathedraltown’s climate
What the normals mean for a garden, a day outside and the depth of winter.
A normal year gives the garden about 161 frost-free days, roughly 3 May to 13 October.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Aug and Sep.
Parks & trails →Wind chill falls below −20 on about 22 days a year: cover skin and dress in layers.
The air feels heavier than 30 on the humidex for about 55 days a year.
Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Cathedraltown’s hazards page.
Flood & hazards →ECCC’s normals location: Toronto Buttonville (Airport)
ECCC builds the Toronto Buttonville (Airport) normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 4.3 km south |
| Station altitude | 198 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −35.2°C |
| Hottest reading, 1991–2020 | 37.8°C |
| Average wind | 12.2 km/h on average, most often from the north |
| Next-nearest location | Toronto (City), 26 km |
How Cathedraltown 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
The nearest places on a normals location of their own: those that share Cathedraltown’s would only repeat its figures. No closer places have figures: these lie 20–29 km from Cathedraltown.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Cathedraltown Toronto Buttonville (Airport) | 27.3°C | −10.1°C | 862 mm |
| Toronto 20 km · Toronto (City) | 27.0°C about the same | −6.7°C 3.4°C milder | 823 mm |
| Pickering 23 km · Oshawa | 25.7°C 1.6°C cooler | −8.9°C 1.2°C milder | 906 mm |
| East Gwillimbury 24 km · Udora | 26.3°C 1.0°C cooler | −11.7°C 1.6°C colder | 883 mm |
| Bradford 29 km · Egbert | 26.0°C 1.3°C cooler | −11.3°C 1.2°C colder | 793 mm |
Cathedraltown 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 | −1.7°C | −10.1°C | −6.0°C | 64 mm | 40 cm |
| February | −1.0°C | −10.1°C | −5.6°C | 51 mm | 34 cm |
| March | 4.6°C | −5.0°C | −0.2°C | 52 mm | 20 cm |
| April | 11.8°C | 1.2°C | 6.5°C | 79 mm | 7 cm |
| May | 19.3°C | 7.4°C | 13.4°C | 80 mm | under 1 cm |
| June | 24.6°C | 13.0°C | 18.8°C | 87 mm | 0 cm |
| July | 27.3°C | 15.6°C | 21.5°C | 85 mm | 0 cm |
| August | 26.3°C | 14.8°C | 20.6°C | 72 mm | 0 cm |
| September | 21.9°C | 10.4°C | 16.2°C | 83 mm | 0 cm |
| October | 14.3°C | 4.3°C | 9.4°C | 71 mm | 1 cm |
| November | 7.4°C | −0.8°C | 3.3°C | 77 mm | 12 cm |
| December | 1.5°C | −5.8°C | −2.2°C | 63 mm | 33 cm |
| Year | 13.0°C | 2.9°C | 8.0°C | 862 mm | 146 cm |
The most changeable month: January, give or take 3.1°C; the steadiest, June
Bars run from each month’s record low to its record high since 1991. March spans the most, from −25.6°C (2003) to 26.3°C (2012).
Where Cathedraltown’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the closest ECCC location with twelve months of temperature normals, Toronto Buttonville (Airport), 1991–2020.
- 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 Cathedraltown’s climate
How warm does Cathedraltown get in summer?
Midsummer means July, with afternoons near 27.3°C on a typical day.
How cold does Cathedraltown get in winter?
Overnight lows average −10.1°C in January, the coldest month.
How much rain and snow does Cathedraltown get?
862 mm a year counting snow as water. The wettest month is June (87 mm); the driest, February (51 mm).
How long does snow stay on the ground?
About 76 days a year count as snow-covered, with 1 cm or more.
Are these figures for Cathedraltown itself?
No: Cathedraltown has no normals location, so the figures come from Toronto Buttonville (Airport), the nearest with 1991–2020 normals.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Cathedraltown →
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).