River West has some of the warmest summer afternoons among Canadian towns
January nights here settle around −7.1°C. By frosts alone, it ranks gentler than 86% of Canadian towns. The seasons are far apart: from a winter night to a summer afternoon the average spans 35°C. Ice scrapers and block heaters earn their keep on roughly 115 days a year at 0°C or below.
Read at Windsor, 8.4 km east: ECCC’s normals for 1991–2020.
A year in River West at a glance
Each month’s typical high and low, in °C.
What stands out about River West’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in River West feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
115 frost days and 141 days above 20°C a year
Frost comes from November to April; in January almost every night freezes. Heat of 30°C or more comes on about 24 days a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
Rain and melted snow: about 954 mm a year
July is the wettest month and February the driest. Some 110 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
140 cm of snow in a typical year
The snow season runs November to April; January brings the most, about 43 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in River West
95% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
The total grows by a degree for every degree a day’s mean sits under 18°C. In heating terms, homes need less heating than 93% of Canadian towns.
Living with River West’s climate
What the normals mean for a garden, a day outside and the depth of winter.
The frost-free stretch runs from about 17 April to about 1 November, some 197 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, Aug and Sep.
Parks & trails →Plan for about 13 days a year with a wind chill below −20.
On some 74 days a year the humidex climbs past 30.
Thirty-year normals hide the storms and the extremes: the hazards page has River West’s risks.
Flood & hazards →ECCC’s normals location: Windsor
Windsor is a composite: ECCC joins 3 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 8.4 km east |
| Station altitude | 190 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −29.1°C |
| Hottest reading, 1991–2020 | 38.3°C |
| Average wind | 15.6 km/h on average, most often from the south-west |
| Next-nearest location | Windsor Riverside, 11 km |
How River West 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 River West’s would only repeat its figures. The nearest places to River West with figures are 14–29 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| River West Windsor | 28.3°C | −7.1°C | 954 mm |
| Tecumseh 14 km · Windsor Riverside | 29.2°C 0.9°C warmer | −6.3°C 0.8°C milder | 935 mm |
| Amherstburg 22 km · Harrow | 27.6°C 0.7°C cooler | −7.0°C about the same | 827 mm |
River West weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | 0.0°C | −7.1°C | −3.6°C | 71 mm | 43 cm |
| February | 1.3°C | −6.4°C | −2.6°C | 60 mm | 33 cm |
| March | 6.8°C | −2.1°C | 2.4°C | 71 mm | 23 cm |
| April | 14.0°C | 3.5°C | 8.8°C | 92 mm | 6 cm |
| May | 20.7°C | 9.8°C | 15.3°C | 97 mm | 0 cm |
| June | 26.0°C | 15.5°C | 20.8°C | 83 mm | 0 cm |
| July | 28.3°C | 18.0°C | 23.2°C | 99 mm | 0 cm |
| August | 27.0°C | 17.1°C | 22.1°C | 76 mm | 0 cm |
| September | 23.1°C | 13.0°C | 18.1°C | 88 mm | 0 cm |
| October | 16.1°C | 6.9°C | 11.6°C | 74 mm | under 1 cm |
| November | 8.9°C | 1.4°C | 5.2°C | 73 mm | 5 cm |
| December | 2.7°C | −3.5°C | −0.4°C | 69 mm | 30 cm |
| Year | 14.6°C | 5.5°C | 10.1°C | 954 mm | 140 cm |
The month with the widest range: March, −22.0°C to 28.4°C
Bars run from each month’s record low to its record high over 1991–2020; January is the month whose average wanders most from year to year (±2.8°C around −3.6°C), June the one that wanders least (±1.2°C).
Where River West’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the closest ECCC location with twelve months of temperature normals, Windsor, 1991–2020.
- Comparisons: every place of 2,500+ in Canada but the city hubs and the reserves, each on its nearest ECCC location.
- Not on this page: sunshine (no 1991–2020 normals exist for it) and any altitude adjustment, since there is no elevation for the town itself.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about River West’s climate
How warm does River West get in summer?
The year’s warmest days come in July, with highs averaging 28.3°C.
How cold does River West get in winter?
Deep winter means January, when nights average −7.1°C.
How much rain and snow does River West get?
Count on roughly 954 mm a year, heaviest in July (99 mm) and lightest in February (60 mm).
How long does snow stay on the ground?
On about 53 days a year the ground keeps at least 1 cm of snow.
Are these figures for River West itself?
They are the normals for Windsor, measured just outside River West itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for River West →
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).