Precipitation in Saint-Chrysostome tops that of 74% of Canadian towns: 1,041 mm a year
Midsummer highs settle at about 26.6°C. Seasons differ by 40°C, from the coldest nights to the warmest afternoons. Its July heat outdoes that of 70% of Canadian towns. The heating season runs October to April: each of those months averages under 10°C.
The nearest ECCC normals location to Saint-Chrysostome is L'Acadie, 38 km north-east, and every figure on this page is its.
A year in Saint-Chrysostome at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Chrysostome’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Saint-Chrysostome feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 149 frosts and 124 warm days a year
From October to April frost is routine, and in January it comes on almost every night. Deep cold, under −20°C, comes on about 15 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
Rain and melted snow: about 1,041 mm a year
The most falls in October, the least in February. About 122 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
L'Acadie publishes no full year of precipitation or snowfall, so these figures, and the snow below, come from Montréal Trudeau (Airport), 41 km away.
About 217 cm of snow a year
From October to April snow is likely; January is the peak, at about 52 cm.
Snowfall by month
Centimetres
Heating a home in Saint-Chrysostome
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Degree days add up how far each day’s mean temperature falls below 18°C over a year.
Living with Saint-Chrysostome’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Afternoons of 17–27°C and nights of at least 8°C arrive in Jun, Jul, Aug and Sep.
Parks & trails →About 36 days a year bring a wind chill under −20, when bare skin chills fast.
About 50 days a year feel above 30 on the humidex.
Ice storms, floods and heat waves are risks, not averages: they are on Saint-Chrysostome’s hazards page.
Flood & hazards →ECCC’s normals location: L'Acadie
L'Acadie is one of the 450 places where ECCC publishes 1991–2020 normals.
| Distance from the town | 38 km north-east |
| Station altitude | 44 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Precipitation from | Montréal Trudeau (Airport), 41 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), 41 km |
How Saint-Chrysostome 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-Chrysostome’s own would show the same figures).
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Chrysostome L'Acadie | 26.6°C | −13.6°C | 1,041 mm |
| Sainte-Clotilde 6.7 km · L'Acadie | 26.6°C about the same | −13.6°C about the same | 1,041 mm |
| Très-Saint-Sacrement 13 km · Montréal Trudeau (Airport) | 26.7°C about the same | −13.5°C about the same | 1,041 mm |
| Franklin 14 km · St-Anicet | 26.7°C about the same | −13.0°C 0.6°C milder | 1,047 mm |
Saint-Chrysostome 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 |
From −28.7°C to 25.4°C: March’s coldest and warmest days since 1991
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-Chrysostome’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for L'Acadie from ECCC’s climate data site, the nearest location with every month of temperature.
- Other locations: a location missing months of precipitation or snow is filled from the nearest that has them all, never mixed month by month.
- Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
- 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-Chrysostome’s climate
How warm does Saint-Chrysostome get in summer?
Highs reach 26.6°C on an average July day; no month is warmer.
How cold does Saint-Chrysostome get in winter?
In January, the coldest month, the typical low is −13.6°C.
How much rain and snow does Saint-Chrysostome get?
The year adds up to 1,041 mm. October is the peak month (103 mm) and February the low one (66 mm).
Are these figures for Saint-Chrysostome itself?
Not quite: they come from L'Acadie, the closest ECCC normals location to Saint-Chrysostome.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Chrysostome →
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).