Photo: ShmushmuREAL · CC0More rain and snow fall on Saint-Alphonse-de-Granby than on 91% of Canadian towns: 1,226 mm a year
Expect July afternoons of about 25.6°C. Rain or snow is most frequent in July and least in February. The furnace earns its keep from October to April, the months that average under 10°C.
These are not Saint-Alphonse-de-Granby’s own readings: ECCC keeps no normals there, so the page uses Granby, 7.6 km north-east.
A year in Saint-Alphonse-de-Granby at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Alphonse-de-Granby’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Saint-Alphonse-de-Granby feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
154 frost days and 111 days above 20°C 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
On about 145 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
262 cm of snow in a typical year
From October to April snow is likely; January is the peak, at about 59 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Saint-Alphonse-de-Granby
92% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
One degree below 18°C for one day makes one heating degree day; the year’s days are added together.
Living with Saint-Alphonse-de-Granby’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
The growing season between frosts lasts about 154 days, roughly 6 May to 8 October.
The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: May, Jun, Jul, Aug and Sep.
Parks & trails →Averages smooth over blizzards, ice storms, floods and heat waves; Saint-Alphonse-de-Granby’s hazards page covers the risks.
Flood & hazards →ECCC’s normals location: Granby
The page’s figures are ECCC’s 1991–2020 normals for Granby, one of its 450 normals locations.
| Distance from the town | 7.6 km north-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 | Sutton, 29 km |
How Saint-Alphonse-de-Granby 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
Places around Saint-Alphonse-de-Granby whose figures come from another normals location. The nearest places to Saint-Alphonse-de-Granby with figures are 13–22 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Alphonse-de-Granby Granby | 25.6°C | −13.4°C | 1,226 mm |
| Cowansville 13 km · Sutton | 25.3°C about the same | −13.5°C about the same | 1,340 mm |
| Sainte-Sabine 20 km · Frelighsburg | 25.6°C about the same | −12.9°C 0.5°C milder | 1,226 mm |
| Sainte-Brigide-d'Iberville 22 km · L'Acadie | 26.6°C 1.0°C warmer | −13.6°C about the same | 1,226 mm |
Saint-Alphonse-de-Granby 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 | −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 has run from −27.5°C to 25.0°C in thirty years
From one year to the next, January’s average typically shifts by 3.4°C around its normal of −9.1°C, the widest of any month, while August’s shifts by 1.0°C.
Where Saint-Alphonse-de-Granby’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Granby from ECCC’s climate data site, the nearest location with every month of temperature.
- Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
- 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-Alphonse-de-Granby’s climate
How warm does Saint-Alphonse-de-Granby get in summer?
At its warmest, in July, the normal high is 25.6°C.
How cold does Saint-Alphonse-de-Granby get in winter?
The coldest nights come in January, averaging −13.4°C.
How much rain and snow does Saint-Alphonse-de-Granby get?
The yearly total is about 1,226 mm. July gets 122 mm, the most of any month; February gets 74 mm, the least.
How long does snow stay on the ground?
Around 113 days a year see 1 cm of snow or more lying.
Are these figures for Saint-Alphonse-de-Granby itself?
Not directly: Saint-Alphonse-de-Granby has no ECCC normals of its own, and Granby stands in for it.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Alphonse-de-Granby →
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).