Photo: Cantons-de-l'Est · CC BY-SA 4.0Wet weather: 1,041 mm of rain and snow a year falls on Saint-Cyprien-de-Napierville, more than on 74% of Canadian towns
On a normal July day the thermometer tops out near 26.6°C. Rain or snow is most frequent in October and least in February. In July, afternoons here are warmer than in 70% of Canadian towns. Picnics, hikes and garden evenings come into their own from June to September, with highs of 21–27°C.
No ECCC station in Saint-Cyprien-de-Napierville has 1991–2020 normals; the page reads L'Acadie, 15 km north, instead.
A year in Saint-Cyprien-de-Napierville at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Cyprien-de-Napierville’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Saint-Cyprien-de-Napierville feels like
Each season’s and each month’s usual high and low, 1991–2020.
149 frost days and 124 days above 20°C a year
From October to April frost is routine, and in January it comes on almost every night. Some 15 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
1,041 mm of precipitation in a typical year
Some 122 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Precipitation and snowfall: Montréal Trudeau (Airport), 43 km away (L'Acadie records no complete year of either).
Snowfall: about 217 cm in a normal year
Snow falls from October to April, most of all in January (about 52 cm).
Snowfall by month
Centimetres
Heating a home in Saint-Cyprien-de-Napierville
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
The count adds up, day by day, how far the mean temperature falls short of 18°C.
Living with Saint-Cyprien-de-Napierville’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Highs of 17–27°C with nights of 8°C or more come in Jun, Jul, Aug and Sep.
Parks & trails →Expect around 36 days a year when the wind chill sinks below −20.
About 50 days a year turn sultry, with the humidex past 30.
For the weather that does damage, from ice storms to floods, see Saint-Cyprien-de-Napierville’s hazards page.
Flood & hazards →ECCC’s normals location: L'Acadie
The page’s figures are ECCC’s 1991–2020 normals for L'Acadie, one of its 450 normals locations.
| Distance from the town | 15 km north |
| Station altitude | 44 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Precipitation from | Montréal Trudeau (Airport), 43 km |
| Coldest reading, 1991–2020 | −32.5°C |
| Hottest reading, 1991–2020 | 36.1°C |
| Average wind | 11.4 km/h on average, most often from the west |
| Next-nearest location | Montréal Trudeau (Airport), 43 km |
How Saint-Cyprien-de-Napierville 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
The nearest places on a normals location of their own: those that share Saint-Cyprien-de-Napierville’s would only repeat its figures. Distances here run 23–26 km: that is how far the nearest places with figures are from Saint-Cyprien-de-Napierville.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Cyprien-de-Napierville L'Acadie | 26.6°C | −13.6°C | 1,041 mm |
| Venise-en-Québec 23 km · Frelighsburg | 25.6°C 1.0°C cooler | −12.9°C 0.7°C milder | 1,340 mm |
| Saint-Isidore 24 km · Montréal Trudeau (Airport) | 26.7°C about the same | −13.5°C about the same | 1,041 mm |
Saint-Cyprien-de-Napierville weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −4.3°C | −13.6°C | −9.0°C | 86 mm | 52 cm |
| February | −2.9°C | −12.7°C | −7.8°C | 66 mm | 47 cm |
| March | 2.6°C | −6.7°C | −2.1°C | 77 mm | 37 cm |
| April | 11.1°C | 0.7°C | 5.9°C | 90 mm | 15 cm |
| May | 19.5°C | 7.8°C | 13.7°C | 86 mm | 0 cm |
| June | 24.2°C | 13.2°C | 18.7°C | 84 mm | 0 cm |
| July | 26.6°C | 15.5°C | 21.1°C | 91 mm | 0 cm |
| August | 25.3°C | 13.9°C | 19.6°C | 94 mm | 0 cm |
| September | 21.4°C | 9.7°C | 15.6°C | 89 mm | 0 cm |
| October | 13.6°C | 4.1°C | 8.9°C | 103 mm | 1 cm |
| November | 6.1°C | −1.7°C | 2.2°C | 84 mm | 16 cm |
| December | −0.7°C | −8.6°C | −4.7°C | 92 mm | 48 cm |
| Year | 11.9°C | 1.8°C | 6.8°C | 1,041 mm | 217 cm |
March: −28.7°C at its coldest, 25.4°C at its warmest
From one year to the next, January’s average typically shifts by 2.9°C around its normal of −9.0°C, the widest of any month, while August’s shifts by 1.0°C.
Where Saint-Cyprien-de-Napierville’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for L'Acadie, 1991–2020, chosen as the nearest location with a full temperature record.
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- 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: a sunshine figure (ECCC published none for 1991–2020) and any lapse-rate correction for height, as the town has no elevation here.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Saint-Cyprien-de-Napierville’s climate
How warm does Saint-Cyprien-de-Napierville get in summer?
Afternoons average 26.6°C in July, the warmest time of year.
How cold does Saint-Cyprien-de-Napierville get in winter?
Of all twelve months, January has the coldest nights, about −13.6°C.
How much rain and snow does Saint-Cyprien-de-Napierville get?
October is the wettest month at 103 mm and February the driest at 66 mm, for 1,041 mm over the year.
Are these figures for Saint-Cyprien-de-Napierville itself?
No. ECCC measures normals at L'Acadie, not in Saint-Cyprien-de-Napierville; the page uses the nearest it has.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Cyprien-de-Napierville →
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).