Few Canadian towns have warmer summer afternoons than Roseland
In January the night’s low is typically −7.1°C. By frosts alone, it ranks gentler than 86% of Canadian towns. The wettest month is July; the driest is February. If you like long walks, May, June, August and September offer highs of 21–27°C.
Figures: ECCC’s 1991–2020 normals for Windsor (4.4 km north-east).
A year in Roseland at a glance
Each month’s typical high and low, in °C.
What stands out about Roseland’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Roseland feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 115 days, 20°C on 141
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
954 mm of precipitation in a typical year
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
Expect snow from November to April, with about 43 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 Roseland
95% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
Behind the figure: the degrees each day’s mean falls under 18°C, summed for the year. A house here needs less heating than 93% of Canadian towns.
Living with Roseland’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Wait until about 17 April to plant out; frost tends to come back around 1 November, about 197 days later.
Highs of 17–27°C with nights of 8°C or more come in May, Jun, Aug and Sep.
Parks & trails →On some 13 days a year the wind chill drops past −20; mitts and a scarf earn their place.
Expect around 74 sticky days a year with the humidex above 30.
Averages smooth over blizzards, ice storms, floods and heat waves; Roseland’s hazards page covers the risks.
Flood & hazards →ECCC’s normals location: Windsor
ECCC builds the Windsor normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 4.4 km north-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 Roseland 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
Places around Roseland whose figures come from another normals location. Roseland has few close neighbours with figures, so the list reaches 11–22 km out.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Roseland Windsor | 28.3°C | −7.1°C | 954 mm |
| Tecumseh 11 km · Windsor Riverside | 29.2°C 0.9°C warmer | −6.3°C 0.8°C milder | 935 mm |
| Amherstburg 18 km · Harrow | 27.6°C 0.7°C cooler | −7.0°C about the same | 827 mm |
Roseland 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 most changeable month: January, give or take 2.8°C; the steadiest, June
The thirty-year records stretch furthest in March: a low of −22.0°C in 2015 and a high of 28.4°C in 2012.
Where Roseland’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Windsor, the closest ECCC location with twelve months of temperature normals.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- 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 Roseland’s climate
How warm does Roseland get in summer?
Midsummer means July, with afternoons near 28.3°C on a typical day.
How cold does Roseland get in winter?
On a normal January night the air drops to −7.1°C, the coldest of the year.
How much rain and snow does Roseland get?
July is the wettest month at 99 mm and February the driest at 60 mm, for 954 mm over the year.
How long does snow stay on the ground?
About 53 days a year count as snow-covered, with 1 cm or more.
Are these figures for Roseland itself?
Nearly: Windsor, the location behind them, sits just beyond Roseland’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Roseland →
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).