Midwinter lows in Saint-Prime sink below those of 91% of Canadian towns
On a normal July day the thermometer tops out near 23.7°C. Its July afternoons stay fresher than in 71% of Canadian towns. A year here swings 45°C from midwinter lows to midsummer highs. Wet days, with 1 mm of rain or snow or more, come about 124 times a year.
The nearest ECCC normals location to Saint-Prime is Roberval, 10 km south-east, and every figure on this page is its.
A year in Saint-Prime at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Prime’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Saint-Prime feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 187 frosts and 85 warm days a year
The frost season runs September to May, and January freezes nearly every night. Some 45 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
911 mm of precipitation in a typical year
July brings the most rain and snow; February, the least.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
271 cm of snow in a typical year
Expect snow from October to May, with about 55 cm in December, the snowiest month.
Snowfall by month
Centimetres
Heating a home in Saint-Prime
89% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Each day the mean sits under 18°C adds its shortfall; a year’s total is its heating degree days. Homes here need more heating than 84% of Canadian towns.
Living with Saint-Prime’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
From about 17 May to 2 October the garden is usually clear of frost, some 137 days.
Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to Jun, Jul and Aug.
Parks & trails →Count on some 79 days a year when the wind makes it feel below −20.
Summer brings about 22 days when the humidex passes 30.
Thirty-year normals hide the storms and the extremes: the hazards page has Saint-Prime’s risks.
Flood & hazards →ECCC’s normals location: Roberval
ECCC builds the Roberval normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 10 km south-east |
| Station altitude | 179 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −40.0°C |
| Hottest reading, 1991–2020 | 36.5°C |
| Average wind | 13.5 km/h on average, most often from the north-west |
| Next-nearest location | Normandin, 31 km |
How Saint-Prime compares
Against the 2,611 Canadian towns and neighbourhoods of 2,500 or more, each read from its own normals location; the dots are the other locations those towns use in Quebec.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Saint-Prime’s own would show the same figures). Saint-Prime has no close neighbour with figures; the nearest is 25 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Prime Roberval | 23.7°C | −20.8°C | 911 mm |
| La Doré 25 km · Normandin | 23.9°C about the same | −23.4°C 2.6°C colder | 911 mm |
Saint-Prime 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 | −10.5°C | −20.8°C | −15.7°C | 55 mm | 47 cm |
| February | −8.2°C | −18.8°C | −13.5°C | 45 mm | 44 cm |
| March | −1.2°C | −11.9°C | −6.6°C | 57 mm | 45 cm |
| April | 6.9°C | −3.2°C | 1.9°C | 64 mm | 29 cm |
| May | 16.2°C | 3.8°C | 10.0°C | 71 mm | 4 cm |
| June | 21.6°C | 10.0°C | 15.8°C | 87 mm | 0 cm |
| July | 23.7°C | 13.3°C | 18.5°C | 112 mm | 0 cm |
| August | 22.6°C | 12.2°C | 17.4°C | 104 mm | 0 cm |
| September | 17.7°C | 7.4°C | 12.6°C | 99 mm | under 1 cm |
| October | 9.8°C | 1.3°C | 5.6°C | 81 mm | 8 cm |
| November | 2.3°C | −5.1°C | −1.4°C | 71 mm | 39 cm |
| December | −5.8°C | −14.5°C | −10.2°C | 66 mm | 55 cm |
| Year | 7.9°C | −2.2°C | 2.9°C | 911 mm | 271 cm |
March has run from −33.1°C to 26.2°C in thirty years
From one year to the next, February’s average typically shifts by 3.3°C around its normal of −13.5°C, the widest of any month, while August’s shifts by 1.0°C.
Where Saint-Prime’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Roberval, 1991–2020, chosen as the nearest location with a full temperature record.
- Comparisons: the towns and neighbourhoods of 2,500+ across Canada, each on its nearest normals location, without the city totals or the reserves.
- 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 Saint-Prime’s climate
How warm does Saint-Prime get in summer?
Afternoons average 23.7°C in July, the warmest time of year.
How cold does Saint-Prime get in winter?
Winter bottoms out in January, with lows near −20.8°C.
How much rain and snow does Saint-Prime get?
The year adds up to 911 mm. July is the peak month (112 mm) and February the low one (45 mm).
Are these figures for Saint-Prime itself?
Not as such: Roberval is the nearest normals location, and Saint-Prime has none.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Prime →
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).