West Rouge has warmer summer afternoons than 91% of Canadian towns
January nights here settle around −10.1°C. June is the wettest month, February the driest. By frosts alone, it ranks gentler than 70% of Canadian towns. Expect about 145 frosty starts a year, days when the air falls to freezing.
Figures: ECCC’s 1991–2020 normals for Toronto Buttonville (Airport) (19 km west).
A year in West Rouge at a glance
Each month’s typical high and low, in °C.
What stands out about West Rouge’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in West Rouge feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 145 frosts and 126 warm days a year
Frost comes from October to May; in January almost every night freezes. Deep cold, under −20°C, comes on about 6 nights a year.
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
Some 113 days a year see 1 mm of rain or snow or more.
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 West Rouge
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
A day averaging 10 degrees under 18°C adds 10 to the total; warm days add nothing. That means homes here need less heating than 74% of Canadian towns.
Living with West Rouge’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
About 161 days a year pass without frost, from an average last frost of 3 May to a first of 13 October.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Aug and Sep.
Parks & trails →About 22 days a year bring a wind chill under −20, when bare skin chills fast.
On some 55 days a year the humidex climbs past 30.
Bad-weather days, from blizzards to floods, get their own page for West Rouge: the 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 | 19 km west |
| 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), 25 km |
How West Rouge 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 West Rouge’s would only repeat its figures. West Rouge has few close neighbours with figures, so the list reaches 6–27 km out.
West Rouge weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and 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 |
January strays furthest from its normal year to year, by 3.1°C; June the least
March has the widest record range, −25.6°C in 2003 to 26.3°C in 2012; the tick on each bar is the month’s normal.
Where West Rouge’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: 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, 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 West Rouge’s climate
How warm does West Rouge get in summer?
Highs reach 27.3°C on an average July day; no month is warmer.
How cold does West Rouge get in winter?
January nights average −10.1°C, the coldest of the year.
How much rain and snow does West Rouge get?
Count on roughly 862 mm a year, heaviest in June (87 mm) and lightest in February (51 mm).
How long does snow stay on the ground?
Expect snow on the ground, at least 1 cm, for about 76 days a year.
Are these figures for West Rouge itself?
Nearly: Toronto Buttonville (Airport), the location behind them, sits just beyond West Rouge’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for West Rouge →
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).