More rain and snow fall on Saint-Dominique than on 91% of Canadian towns: 1,226 mm a year
Peak summer warmth arrives in July, with afternoons near 25.6°C. Seasons differ by 39°C, from the coldest nights to the warmest afternoons. Wet days, with 1 mm of rain or snow or more, come about 145 times a year.
These are not Saint-Dominique’s own readings: ECCC keeps no normals there, so the page uses Granby, 23 km south-east.
A year in Saint-Dominique at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Dominique’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Saint-Dominique feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 154 frosts and 111 warm days a year
Frost comes from October to May; in January almost every night freezes. Some 14 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
1,226 mm of precipitation in a typical year
The most falls in July, the least in February.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
262 cm of snow in a typical year
Expect snow from October to April, with about 59 cm in January, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Saint-Dominique
92% 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-Dominique’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Plant out after about 6 May; the first frost of autumn usually arrives near 8 October, leaving roughly 154 days without frost.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark May, Jun, Jul, Aug and Sep.
Parks & trails →Averages smooth over blizzards, ice storms, floods and heat waves; Saint-Dominique’s hazards page covers the risks.
Flood & hazards →ECCC’s normals location: Granby
Every temperature, frost, snow and degree-day figure on this page is the 1991–2020 normal ECCC publishes for Granby.
| Distance from the town | 23 km south-east |
| Station altitude | 175 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −34.0°C |
| Hottest reading, 1991–2020 | 35.0°C |
| Next-nearest location | Fleury, 28 km |
How Saint-Dominique compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Quebec.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Saint-Dominique’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Dominique Granby | 25.6°C | −13.4°C | 1,226 mm |
| Saint-Pie 7.6 km · Granby | 25.6°C about the same | −13.4°C about the same | 1,226 mm |
| Saint-Hyacinthe 10 km · Fleury | 26.0°C about the same | −14.8°C 1.4°C colder | 1,109 mm |
Saint-Dominique weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −4.6°C | −13.4°C | −9.1°C | 95 mm | 59 cm |
| February | −3.2°C | −11.9°C | −7.4°C | 74 mm | 58 cm |
| March | 2.2°C | −6.4°C | −2.2°C | 88 mm | 48 cm |
| April | 10.5°C | 0.9°C | 5.9°C | 101 mm | 17 cm |
| May | 18.7°C | 8.0°C | 13.1°C | 100 mm | 1 cm |
| June | 23.3°C | 13.0°C | 18.3°C | 121 mm | 0 cm |
| July | 25.6°C | 15.7°C | 20.4°C | 122 mm | 0 cm |
| August | 24.6°C | 14.8°C | 19.5°C | 113 mm | 0 cm |
| September | 20.3°C | 10.6°C | 15.4°C | 113 mm | 0 cm |
| October | 12.8°C | 4.6°C | 8.6°C | 109 mm | 4 cm |
| November | 5.8°C | −1.5°C | 2.2°C | 92 mm | 22 cm |
| December | −1.0°C | −8.4°C | −4.9°C | 98 mm | 54 cm |
| Year | 11.3°C | 2.2°C | 6.6°C | 1,226 mm | 262 cm |
March: −27.5°C at its coldest, 25.0°C at its warmest
The month to count on least is January: one year in three its average strays more than 3.4°C from −9.1°C. August moves least, typically by 1.0°C.
Where Saint-Dominique’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Granby, its nearest location with complete temperatures.
- 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 (no 1991–2020 normals exist for it) and any altitude adjustment, since there is no elevation for the town itself.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Saint-Dominique’s climate
How warm does Saint-Dominique get in summer?
In July, the warmest month, the typical high is 25.6°C.
How cold does Saint-Dominique get in winter?
The year’s coldest nights belong to January, at about −13.4°C.
How much rain and snow does Saint-Dominique get?
July is the wettest month at 122 mm and February the driest at 74 mm, for 1,226 mm over the year.
How long does snow stay on the ground?
Snow cover of 1 cm or more lasts about 113 days in a typical year.
Are these figures for Saint-Dominique itself?
No, they come from Granby; ECCC keeps no 1991–2020 normals in Saint-Dominique itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Dominique →
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).