Photo: P199 · CC BY-SA 3.0Precipitation in Coaticook tops that of 91% of Canadian towns: 1,217 mm a year
Sunny July days climb to about 24.7°C. In July, afternoons here are cooler than in 66% of Canadian towns. Some 39°C separates winter nights from summer afternoons. Windshields need scraping on about 163 mornings a year, the days the air reaches 0°C or below.
Figures: ECCC’s 1991–2020 normals at Coaticook (3.4 km north).
A year in Coaticook at a glance
Each month’s typical high and low, in °C.
What stands out about Coaticook’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Coaticook feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
163 frost days and 103 days above 20°C a year
The frost season runs September to May, and January freezes nearly every night. Deep cold, under −20°C, comes on about 18 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
1,217 mm of precipitation in a typical year
June brings the most rain and snow; February, the least. Some 158 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 291 cm of snow a year
The snow season runs October to May; December brings the most, about 71 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Coaticook
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
ECCC sums, over the year, how many degrees each day’s average falls short of 18°C.
Living with Coaticook’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Between the last frost, near 19 May, and the first, near 30 September, lie about 133 frost-free days.
The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: Jun, Jul, Aug and Sep.
Parks & trails →A normal year has no blizzard, flood or heat wave in it; Coaticook’s hazards page looks at those.
Flood & hazards →ECCC’s normals location: Coaticook
The page’s figures are ECCC’s 1991–2020 normals for Coaticook, one of its 450 normals locations.
| Distance from the town | 3.4 km north |
| Station altitude | 259 m |
| Completeness | at least 15 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −35.5°C |
| Hottest reading, 1991–2020 | 33.0°C |
| Next-nearest location | Lennoxville, 28 km |
How Coaticook 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
Places around Coaticook whose figures come from another normals location. No closer place has figures: this one lies 21 km from Coaticook.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Coaticook | 24.7°C | −13.9°C | 1,217 mm |
| Waterville 21 km · Lennoxville | 25.7°C 1.0°C warmer | −14.9°C 1.0°C colder | 1,015 mm |
Coaticook weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −4.8°C | −13.9°C | −9.5°C | 85 mm | 59 cm |
| February | −3.2°C | −12.8°C | −8.2°C | 74 mm | 61 cm |
| March | 2.0°C | −7.2°C | −2.7°C | 80 mm | 52 cm |
| April | 9.7°C | −0.1°C | 5.0°C | 90 mm | 15 cm |
| May | 17.7°C | 6.7°C | 12.1°C | 108 mm | 1 cm |
| June | 22.3°C | 11.8°C | 17.1°C | 130 mm | 0 cm |
| July | 24.7°C | 14.5°C | 19.4°C | 120 mm | 0 cm |
| August | 23.7°C | 13.5°C | 18.6°C | 120 mm | 0 cm |
| September | 19.5°C | 9.3°C | 14.4°C | 104 mm | 0 cm |
| October | 12.0°C | 3.5°C | 7.8°C | 110 mm | 5 cm |
| November | 4.9°C | −2.5°C | 1.4°C | 91 mm | 26 cm |
| December | −1.5°C | −9.2°C | −5.5°C | 106 mm | 71 cm |
| Year | 10.6°C | 1.1°C | 5.8°C | 1,217 mm | 291 cm |
From −35.5°C to 18.9°C: February’s coldest and warmest days since 1991
Year to year, January varies most (a standard deviation of 3.1°C around −9.5°C) and August least (1.0°C).
Where Coaticook’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Coaticook from ECCC’s climate data site, the nearest location with every month of temperature.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- 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 Coaticook’s climate
How warm does Coaticook get in summer?
Midsummer means July, with afternoons near 24.7°C on a typical day.
How cold does Coaticook get in winter?
On a normal January night the air drops to −13.9°C, the coldest of the year.
How much rain and snow does Coaticook get?
Around 1,217 mm a year in all, from 130 mm in June down to 74 mm in February.
How long does snow stay on the ground?
Around 125 days a year see 1 cm of snow or more lying.
Are these figures for Coaticook itself?
Yes. They were measured in Coaticook, at ECCC’s own station there.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Coaticook →
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).