Photo: P199 · CC BY-SA 3.0For weather, Prince is about as ordinary as Canadian towns get
January nights average −14.5°C, July afternoons 24.2°C, and a year brings 915 mm of rain and melted snow. From frozen January to warm July, readings climb 39°C. In July, afternoons here are cooler than in 69% of Canadian towns. Wet days, with 1 mm of rain or snow or more, come about 131 times a year.
The nearest ECCC normals location to Prince is Sault Ste Marie, 6.4 km south, and every figure on this page is its.
A year in Prince at a glance
Each month’s typical high and low, in °C.
What stands out about Prince’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Prince feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
175 frost days and 96 days above 20°C a year
From September to May frost is routine, and in January it comes on almost every night. Some 21 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
915 mm of precipitation in a typical year
The most falls in October, the least in February.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 325 cm of snow a year
The snow season runs October to April; January brings the most, about 84 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Prince
88% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
Warm days count for nothing; each colder day adds how far its mean sits below 18°C. Over a year, a home here needs more heating than 61% of Canadian towns.
Living with Prince’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Gardens get from about 28 May to 29 September without frost, around 123 days in all.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul, Aug and Sep.
Parks & trails →Bitter wind chill, under −20, comes on about 39 days a year.
About 31 days a year feel above 30 on the humidex.
Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Prince’s hazards page.
Flood & hazards →ECCC’s normals location: Sault Ste Marie
Behind the 1991–2020 normals for Sault Ste Marie are 2 stations, which ECCC combines into one record.
| Distance from the town | 6.4 km south |
| Station altitude | 192 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −37.3°C |
| Hottest reading, 1991–2020 | 34.3°C |
| Average wind | 12.2 km/h on average, most often from the east |
| Next-nearest location | Wawa, 160 km |
How Prince 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
Nearby places read from a different ECCC location (places on Prince’s own would show the same figures). No closer place has figures: this one lies 94 km from Prince.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Prince Sault Ste Marie | 24.2°C | −14.5°C | 915 mm |
| Huron Shores 94 km · Gore Bay | 24.4°C about the same | −13.6°C 0.9°C milder | 915 mm |
Prince weather by month
Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −5.0°C | −14.5°C | −9.8°C | 65 mm | 84 cm |
| February | −4.0°C | −14.7°C | −9.4°C | 46 mm | 59 cm |
| March | 1.4°C | −9.6°C | −4.1°C | 52 mm | 39 cm |
| April | 8.7°C | −2.0°C | 3.4°C | 71 mm | 17 cm |
| May | 16.2°C | 3.5°C | 9.9°C | 69 mm | 1 cm |
| June | 21.8°C | 8.5°C | 15.2°C | 79 mm | 0 cm |
| July | 24.2°C | 11.6°C | 17.9°C | 77 mm | 0 cm |
| August | 23.7°C | 11.5°C | 17.7°C | 78 mm | 0 cm |
| September | 19.4°C | 8.0°C | 13.7°C | 109 mm | under 1 cm |
| October | 11.7°C | 2.7°C | 7.2°C | 111 mm | 5 cm |
| November | 4.8°C | −2.5°C | 1.2°C | 89 mm | 44 cm |
| December | −1.0°C | −8.6°C | −4.8°C | 70 mm | 77 cm |
| Year | 10.2°C | −0.5°C | 4.8°C | 915 mm | 325 cm |
A February here can run warm or cold, its average moving by about 3.7°C; the steadiest month is August
The thirty-year records stretch furthest in March: a low of −34.4°C in 2003 and a high of 26.7°C in 2012.
Where Prince’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Sault Ste Marie, its nearest location with complete temperatures.
- 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 Prince’s climate
How warm does Prince get in summer?
At its warmest, in July, the normal high is 24.2°C.
How cold does Prince get in winter?
Midwinter means February, when a typical night reaches −14.7°C.
How much rain and snow does Prince get?
Measured as water, a year brings 915 mm: 111 mm in October, the wettest month, and 46 mm in February, the driest.
How long does snow stay on the ground?
Around 129 days a year see 1 cm of snow or more lying.
Are these figures for Prince itself?
Not as such: Sault Ste Marie is the nearest normals location, and Prince has none.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Prince →
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).