Precipitation in Saint-Jean-de-Matha tops that of 82% of Canadian towns: 1,109 mm a year
The warmest part of a July day comes in at 26.6°C on average. Temperatures cover 43°C across the year, low to high. Winter nights are cold: in January they are colder than in 75% of Canadian towns. Ice scrapers and block heaters earn their keep on roughly 161 days a year at 0°C or below.
Saint-Jean-de-Matha has no ECCC normals station of its own: every figure here comes from L'Assomption, 49 km south.
A year in Saint-Jean-de-Matha at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Jean-de-Matha’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Saint-Jean-de-Matha feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 161 days, 20°C on 119
From October to May frost is routine, and in January it comes on almost every night. Some 24 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
Rain and melted snow: about 1,109 mm a year
August is the wettest month and February the driest. About 145 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Precipitation and snowfall: Fleury, 65 km away (L'Assomption records no complete year of either).
202 cm of snow in a typical year
Expect snow from October to April, with about 49 cm in December, the snowiest month.
Snowfall by month
Centimetres
Heating a home in Saint-Jean-de-Matha
93% 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.
Living with Saint-Jean-de-Matha’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Plan time outside for Jun, Jul, Aug and Sep: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →Frostbite weather, a wind chill under −20, turns up on about 44 days a year.
Roughly 49 days a year feel hotter than 30 once humidity is counted.
Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Saint-Jean-de-Matha’s hazards page.
Flood & hazards →ECCC’s normals location: L'Assomption
The page’s figures are ECCC’s 1991–2020 normals for L'Assomption, one of its 450 normals locations.
| Distance from the town | 49 km south |
| Station altitude | 21 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Precipitation from | Fleury, 65 km |
| Coldest reading, 1991–2020 | −40.0°C |
| Hottest reading, 1991–2020 | 36.2°C |
| Average wind | 10.0 km/h on average, most often from the south-west |
| Next-nearest location | Fleury, 65 km |
How Saint-Jean-de-Matha compares
Placed among 2,611 Canadian towns and neighbourhoods of 2,500+, each on its nearest normals location; each dot is another location used in Quebec.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Saint-Jean-de-Matha’s would only repeat its figures. Saint-Jean-de-Matha has few close neighbours with figures, so the list reaches 24–38 km out.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Jean-de-Matha L'Assomption | 26.6°C | −16.0°C | 1,109 mm |
| Mandeville 24 km · Nicolet | 25.7°C 0.9°C cooler | −16.4°C about the same | 948 mm |
| Berthierville 34 km · Fleury | 26.0°C 0.6°C cooler | −14.8°C 1.2°C milder | 1,109 mm |
| Entrelacs 36 km · St-Jovite | 25.3°C 1.3°C cooler | −18.3°C 2.3°C colder | 1,178 mm |
Saint-Jean-de-Matha weather by month
Month by month, 1991–2020: the usual high, low and mean, the rain and snow, and the snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −5.9°C | −16.0°C | −10.9°C | 81 mm | 45 cm |
| February | −4.0°C | −14.8°C | −9.4°C | 61 mm | 43 cm |
| March | 1.8°C | −8.3°C | −3.2°C | 71 mm | 38 cm |
| April | 10.8°C | 0.1°C | 5.5°C | 96 mm | 13 cm |
| May | 19.2°C | 7.2°C | 13.2°C | 98 mm | under 1 cm |
| June | 24.3°C | 12.4°C | 18.4°C | 102 mm | 0 cm |
| July | 26.6°C | 14.8°C | 20.7°C | 106 mm | 0 cm |
| August | 25.5°C | 13.7°C | 19.6°C | 114 mm | 0 cm |
| September | 21.1°C | 9.2°C | 15.2°C | 97 mm | 0 cm |
| October | 13.0°C | 3.2°C | 8.1°C | 108 mm | 2 cm |
| November | 5.4°C | −2.7°C | 1.3°C | 90 mm | 12 cm |
| December | −1.9°C | −10.2°C | −6.1°C | 85 mm | 49 cm |
| Year | 11.3°C | 0.7°C | 6.0°C | 1,109 mm | 202 cm |
The month with the widest range: March, −29.5°C to 26.0°C
Bars run from each month’s record low to its record high over 1991–2020; January is the month whose average wanders most from year to year (±3.1°C around −10.9°C), June the one that wanders least (±1.0°C).
Where Saint-Jean-de-Matha’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the closest ECCC location with twelve months of temperature normals, L'Assomption, 1991–2020.
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- Comparisons: a pool of Canadian towns and neighbourhoods of 2,500 or more, read alike; whole cities and reserves stay out of it.
- Not on this page: sunshine, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Saint-Jean-de-Matha’s climate
How warm does Saint-Jean-de-Matha get in summer?
In July, the warmest month, the typical high is 26.6°C.
How cold does Saint-Jean-de-Matha get in winter?
A typical January night falls to −16.0°C, the year’s low point.
How much rain and snow does Saint-Jean-de-Matha get?
A normal year brings 1,109 mm, snow included as water: August is wettest at 114 mm, February driest at 61 mm.
Are these figures for Saint-Jean-de-Matha itself?
They come from L'Assomption, which ECCC uses as the nearest normals location for Saint-Jean-de-Matha.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Jean-de-Matha →
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).