Wet weather: 1,070 mm of rain and snow a year falls on Saint-Bonaventure, more than on 79% of Canadian towns
Sunny July days climb to about 26.0°C. In July, afternoons here are warmer than in 61% of Canadian towns. Rain or snow is most frequent in July and least in February. Expect about 153 frosty starts a year, days when the air falls to freezing.
Saint-Bonaventure has no ECCC normals station of its own: every figure here comes from Drummondville, 18 km south-east.
A year in Saint-Bonaventure at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Bonaventure’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Saint-Bonaventure feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 153 frosts and 114 warm days a year
Frost comes from October to April; in January almost every night freezes. On about 19 nights a year the air falls below −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
1,070 mm of precipitation in a typical year
About 136 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 229 cm of snow a year
Expect snow from October to April, with about 60 cm in December, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Saint-Bonaventure
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
The total grows by a degree for every degree a day’s mean sits under 18°C.
Living with Saint-Bonaventure’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
For long days outdoors, May, Jun, Jul, Aug and Sep bring highs of 17–27°C and lows of 8°C or more.
Parks & trails →A normal year has no blizzard, flood or heat wave in it; Saint-Bonaventure’s hazards page looks at those.
Flood & hazards →ECCC’s normals location: Drummondville
The page’s figures are ECCC’s 1991–2020 normals for Drummondville, one of its 450 normals locations.
| Distance from the town | 18 km south-east |
| Station altitude | 82 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −39.5°C |
| Hottest reading, 1991–2020 | 34.5°C |
| Next-nearest location | Nicolet, 29 km |
How Saint-Bonaventure 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-Bonaventure’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Bonaventure Drummondville | 26.0°C | −14.2°C | 1,070 mm |
| Saint-Majorique-de-Grantham 8.7 km · Drummondville | 26.0°C about the same | −14.2°C about the same | 1,070 mm |
| Saint-Guillaume 9.4 km · Fleury | 26.0°C about the same | −14.8°C 0.6°C colder | 1,109 mm |
| Pierreville 17 km · Nicolet | 25.7°C about the same | −16.4°C 2.2°C colder | 948 mm |
Saint-Bonaventure 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 | −5.2°C | −14.2°C | −9.7°C | 90 mm | 57 cm |
| February | −3.2°C | −12.8°C | −8.0°C | 66 mm | 50 cm |
| March | 2.3°C | −7.2°C | −2.4°C | 66 mm | 38 cm |
| April | 10.7°C | 0.9°C | 5.9°C | 79 mm | 9 cm |
| May | 19.1°C | 8.0°C | 13.4°C | 91 mm | under 1 cm |
| June | 23.8°C | 13.6°C | 18.8°C | 102 mm | 0 cm |
| July | 26.0°C | 16.2°C | 21.1°C | 109 mm | 0 cm |
| August | 25.1°C | 15.2°C | 20.1°C | 99 mm | 0 cm |
| September | 20.7°C | 10.9°C | 15.7°C | 94 mm | 0 cm |
| October | 13.2°C | 4.7°C | 9.0°C | 100 mm | 1 cm |
| November | 5.9°C | −1.5°C | 2.2°C | 80 mm | 14 cm |
| December | −1.4°C | −8.8°C | −5.2°C | 95 mm | 60 cm |
| Year | 11.4°C | 2.1°C | 6.7°C | 1,070 mm | 229 cm |
A March here can run from −31.0°C to 25.0°C
January is the least predictable month: about two years in three its average lands within 3.2°C of the normal, −9.7°C. June is the steadiest, within 1.1°C.
Where Saint-Bonaventure’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Drummondville, 1991–2020, chosen as the nearest location with a full temperature record.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- 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-Bonaventure’s climate
How warm does Saint-Bonaventure get in summer?
July is the warmest month, with average highs of 26.0°C.
How cold does Saint-Bonaventure get in winter?
A typical January night falls to −14.2°C, the year’s low point.
How much rain and snow does Saint-Bonaventure get?
Rain and snow, with snow counted as water, total 1,070 mm a year; July leads with 109 mm and February trails with 66 mm.
Are these figures for Saint-Bonaventure itself?
Only indirectly: the readings are made at Drummondville, outside Saint-Bonaventure.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Bonaventure →
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).