Precipitation in Saint-Césaire tops that of 91% of Canadian towns: 1,226 mm a year
High summer brings afternoon highs near 25.6°C. Of all months, July brings the most precipitation and February the least. An umbrella or a shovel earns its place on about 145 days a year with 1 mm or more.
These are not Saint-Césaire’s own readings: ECCC keeps no normals there, so the page uses Granby, 23 km east.
A year in Saint-Césaire at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Césaire’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Saint-Césaire feels like
Each season’s and each month’s usual high and low, 1991–2020.
154 frost days and 111 days above 20°C a year
The frost season runs October to May, and January freezes nearly every night. Deep cold, under −20°C, comes on about 14 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 1,226 mm a year
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 262 cm of snow a year
The snow season runs October to April; January brings the most, about 59 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Saint-Césaire
92% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
The count adds up, day by day, how far the mean temperature falls short of 18°C.
Living with Saint-Césaire’s climate
What the normals mean for a garden, a day outside and the depth of winter.
From about 6 May to 8 October the garden is usually clear of frost, some 154 days.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark May, Jun, Jul, Aug and Sep.
Parks & trails →For the weather that does damage, from ice storms to floods, see Saint-Césaire’s hazards page.
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 | 23 km 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 | L'Acadie, 30 km |
How Saint-Césaire 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
Nearby places read from a different ECCC location (places on Saint-Césaire’s own would show the same figures).
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Césaire Granby | 25.6°C | −13.4°C | 1,226 mm |
| Rougemont 4.7 km · Granby | 25.6°C about the same | −13.4°C about the same | 1,226 mm |
| Sainte-Angèle-de-Monnoir 6.7 km · L'Acadie | 26.6°C 1.0°C warmer | −13.6°C about the same | 1,226 mm |
Saint-Césaire 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 |
The most changeable month: January, give or take 3.4°C; the steadiest, August
March has the widest record range, −27.5°C in 2007 to 25.0°C in 2012; the tick on each bar is the month’s normal.
Where Saint-Césaire’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Granby, 1991–2020, chosen as the nearest location with a full temperature record.
- Comparisons: the 2,500-plus towns and neighbourhoods of Canada, each read from its closest normals location; whole cities and reserves aren’t counted.
- Not on this page: sunshine, absent from every 1991–2020 location, and an altitude correction, for want of the town’s own elevation.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Saint-Césaire’s climate
How warm does Saint-Césaire get in summer?
A normal July afternoon tops out at about 25.6°C, the year’s high point.
How cold does Saint-Césaire get in winter?
January nights average −13.4°C, the coldest of the year.
How much rain and snow does Saint-Césaire 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?
Count on about 113 days of snow cover a year, 1 cm or deeper.
Are these figures for Saint-Césaire itself?
Not quite: they come from Granby, the closest ECCC normals location to Saint-Césaire.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Césaire →
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).