Photo: Vintotal · CC BY-SA 3.0Chapais has some of the coldest winter nights among Canadian towns
Peak summer warmth arrives in July, with afternoons near 22.9°C. From frozen January to warm July, readings climb 47°C. Summers stay cool: July afternoons here are cooler than in 92% of Canadian towns. Frost comes on about 215 days a year, so leave time to clear the car.
Figures: ECCC’s 1991–2020 normals for Chapais (10 km north-west).
A year in Chapais at a glance
Each month’s typical high and low, in °C.
What stands out about Chapais’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Chapais feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 215 days, 20°C on 72
The frost season runs September to June, and January freezes nearly every night. Deep cold, under −20°C, comes on about 65 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 1,080 mm of rain and snow a year
July brings the most rain and snow; February, the least. On about 157 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Precipitation: Parent, 208 km away (Chapais records no complete year of it).
Heating a home in Chapais
87% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
Degree days add up how far each day’s mean temperature falls below 18°C over a year. That means homes here need more heating than almost every Canadian town.
Living with Chapais’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Highs of 17–27°C with nights of 8°C or more come in Jul and Aug.
Parks & trails →Count on some 85 days a year when the wind makes it feel below −20.
Humid summer days, the humidex above 30, number about 14 a year.
Thirty-year normals hide the storms and the extremes: the hazards page has Chapais’s risks.
Flood & hazards →ECCC’s normals location: Chapais
Behind the 1991–2020 normals for Chapais are 2 stations, which ECCC combines into one record.
| Distance from the town | 10 km north-west |
| Station altitude | 381 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Precipitation from | Parent, 208 km |
| Snowfall from | No location within 100 km |
| Coldest reading, 1991–2020 | −43.2°C |
| Hottest reading, 1991–2020 | 35.0°C |
| Average wind | 6.3 km/h on average, most often from the west |
| Next-nearest location | Normandin, 197 km |
How Chapais 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
Places around Chapais whose figures come from another normals location. No closer place has figures: this one lies 125 km from Chapais.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Chapais | 22.9°C | −24.1°C | 1,080 mm |
| Obedjiwan 28 125 km · Parent | 23.1°C about the same | −23.1°C 1.0°C milder | 1,080 mm |
Chapais weather by month
Average daily high and low, mean temperature and precipitation by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow |
|---|---|---|---|---|
| January | −12.7°C | −24.1°C | −18.5°C | 91 mm |
| February | −10.2°C | −23.0°C | −16.6°C | 54 mm |
| March | −3.0°C | −16.7°C | −9.9°C | 63 mm |
| April | 5.1°C | −7.0°C | −1.0°C | 76 mm |
| May | 14.7°C | 1.4°C | 8.1°C | 84 mm |
| June | 21.2°C | 7.5°C | 14.4°C | 95 mm |
| July | 22.9°C | 10.2°C | 16.6°C | 117 mm |
| August | 21.0°C | 9.2°C | 15.1°C | 110 mm |
| September | 15.9°C | 4.8°C | 10.4°C | 100 mm |
| October | 7.3°C | −0.5°C | 3.4°C | 104 mm |
| November | −1.1°C | −8.0°C | −4.5°C | 96 mm |
| December | −8.4°C | −17.6°C | −13.0°C | 90 mm |
| Year | 6.1°C | −5.3°C | 0.4°C | 1,080 mm |
Two years in three, January’s average lands within 3.6°C of normal, against the steadier July
Each bar spans a month’s coldest and warmest readings over thirty years; March’s run from −40.9°C in 2007 to 22.5°C in 2012.
Where Chapais’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Chapais, the nearest location with a full year of temperatures.
- Other locations: a location missing months of precipitation or snow is filled from the nearest that has them all, never mixed month by month.
- Comparisons: every place of 2,500+ in Canada but the city hubs and the reserves, each on its nearest ECCC location.
- Not on this page: snowfall (no location within 100 km publishes a full year of it), sunshine (none for 1991–2020) and an altitude correction.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Chapais’s climate
How warm does Chapais get in summer?
Of all twelve months, July has the warmest afternoons, about 22.9°C.
How cold does Chapais get in winter?
At its coldest, in January, the normal low is −24.1°C.
How much rain and snow does Chapais get?
1,080 mm a year counting snow as water. The wettest month is July (117 mm); the driest, February (54 mm).
Are these figures for Chapais itself?
Nearly: Chapais, the location behind them, sits just beyond Chapais’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Chapais →
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).