Photo: Verne Equinox · CC BY-SA 4.0More rain and snow fall on Windsor than on 90% of Canadian towns: 1,216 mm a year
Midwinter brings lows of about −9.1°C. By January nights alone, it runs milder than 73% of Canadian towns. A year here swings 35°C from midwinter lows to midsummer highs. The outdoor season runs from June to September, with highs of 21–26°C.
No ECCC station in Windsor has 1991–2020 normals; the page reads Waterville Cambridge, 42 km west, instead.
A year in Windsor at a glance
Each month’s typical high and low, in °C.
What stands out about Windsor’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Nova Scotia beside it.
What a year in Windsor feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 148 frosts and 109 warm days a year
From October to May frost is routine, and in January it comes on almost every night. About 7 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
1,216 mm of precipitation in a typical year
December is the wettest month and July the driest. About 141 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 232 cm of snow a year
The snow season runs November to April; January brings the most, about 66 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Windsor
90% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
One degree below 18°C for one day makes one heating degree day; the year’s days are added together. Homes here need less heating than 75% of Canadian towns.
Living with Windsor’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Gardens get from about 19 May to 1 October without frost, around 134 days in all.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul, Aug and Sep.
Parks & trails →Bad-weather days, from blizzards to floods, get their own page for Windsor: the hazards page.
Flood & hazards →ECCC’s normals location: Waterville Cambridge
Waterville Cambridge is one of the 450 places where ECCC publishes 1991–2020 normals.
| Distance from the town | 42 km west |
| Station altitude | 31 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | Yes |
| Coldest reading, 1991–2020 | −35.5°C |
| Hottest reading, 1991–2020 | 36.0°C |
| Next-nearest location | Parrsboro, 48 km |
How Windsor compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Nova Scotia.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Windsor’s would only repeat its figures. Windsor has few close neighbours with figures, so the list reaches 42–55 km out.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Windsor Waterville Cambridge | 25.9°C | −9.1°C | 1,216 mm |
| Enfield 42 km · Halifax Stanfield (Airport) | 24.2°C 1.7°C cooler | −10.1°C 1.0°C colder | 1,393 mm |
| Chester 46 km · Bridgewater | 25.5°C about the same | −10.2°C 1.1°C colder | 1,561 mm |
| Halifax 54 km · Shearwater | 22.7°C 3.2°C cooler | −8.3°C 0.8°C milder | 1,414 mm |
| Cumberland County, Subdivision A 55 km · Parrsboro | 23.1°C 2.8°C cooler | −10.8°C 1.7°C colder | 1,247 mm |
Windsor weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −0.5°C | −9.1°C | −4.8°C | 113 mm | 66 cm |
| February | 0.1°C | −8.9°C | −4.4°C | 91 mm | 50 cm |
| March | 4.0°C | −4.9°C | −0.5°C | 97 mm | 39 cm |
| April | 10.4°C | 0.6°C | 5.5°C | 90 mm | 12 cm |
| May | 17.2°C | 5.7°C | 11.5°C | 88 mm | 1 cm |
| June | 22.2°C | 10.7°C | 16.5°C | 86 mm | 0 cm |
| July | 25.9°C | 14.6°C | 20.3°C | 79 mm | 0 cm |
| August | 25.5°C | 13.8°C | 19.7°C | 86 mm | 0 cm |
| September | 21.2°C | 10.1°C | 15.6°C | 107 mm | 0 cm |
| October | 14.4°C | 4.9°C | 9.7°C | 120 mm | 0 cm |
| November | 8.5°C | 0.6°C | 4.6°C | 125 mm | 15 cm |
| December | 2.8°C | −4.7°C | −1.0°C | 134 mm | 49 cm |
| Year | 12.6°C | 2.8°C | 7.7°C | 1,216 mm | 232 cm |
February has run from −35.5°C to 17.5°C in thirty years
From one year to the next, February’s average typically shifts by 2.3°C around its normal of −4.4°C, the widest of any month, while June’s shifts by 1.1°C.
Where Windsor’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Waterville Cambridge, the nearest location with a full year of temperatures.
- 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: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Windsor’s climate
How warm does Windsor get in summer?
Of all twelve months, July has the warmest afternoons, about 25.9°C.
How cold does Windsor get in winter?
At its coldest, in January, the normal low is −9.1°C.
How much rain and snow does Windsor get?
The year adds up to 1,216 mm. December is the peak month (134 mm) and July the low one (79 mm).
How long does snow stay on the ground?
A layer of at least 1 cm stays down on about 86 days a year.
Are these figures for Windsor itself?
Not quite: they come from Waterville Cambridge, the closest ECCC normals location to Windsor.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Windsor →
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).