Photo: Gabriel Picard · CC BY-SA 4.0More rain and snow fall on Adstock than on 93% of Canadian towns: 1,324 mm a year
Midsummer highs settle at about 23.5°C. From frozen January to warm July, readings climb 40°C. By July afternoons alone, it runs cooler than 80% of Canadian towns. The heating season runs October to April: each of those months averages under 10°C.
Adstock has no ECCC normals station of its own: every figure here comes from Thetford Mines, 20 km west.
A year in Adstock at a glance
Each month’s typical high and low, in °C.
What stands out about Adstock’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Adstock feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on 177 days, 20°C on 87
Frost comes from September to May; in January almost every night freezes. Some 25 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
About 1,324 mm of rain and snow a year
The most falls in July, the least in November. 7th wettest of 513 towns of 2,500+ in Quebec. On about 167 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 358 cm of snow a year
Expect snow from October to May, with about 81 cm in December, the snowiest month. 6th snowiest of 493 towns of 2,500+ in Quebec.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Adstock
89% 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. Homes here need more heating than 72% of Canadian towns.
Living with Adstock’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to Jun, Jul, Aug and Sep.
Parks & trails →Thirty years of averages say little about one bad storm; Adstock’s hazards page does.
Flood & hazards →ECCC’s normals location: Thetford Mines
ECCC builds the Thetford Mines normals from 2 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 20 km west |
| Station altitude | 381 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −35.0°C |
| Hottest reading, 1991–2020 | 32.5°C |
| Next-nearest location | St Georges, 33 km |
How Adstock 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 Adstock’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Adstock Thetford Mines | 23.5°C | −16.1°C | 1,324 mm |
| Saint-Éphrem-de-Beauce 12 km · St Georges | 25.3°C 1.8°C warmer | −16.7°C 0.6°C colder | 1,054 mm |
| Thetford Mines 17 km · Thetford Mines | 23.5°C about the same | −16.1°C about the same | 1,324 mm |
Adstock weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −6.9°C | −16.1°C | −11.5°C | 102 mm | 72 cm |
| February | −5.4°C | −15.0°C | −10.2°C | 92 mm | 80 cm |
| March | 0.3°C | −9.2°C | −4.5°C | 95 mm | 67 cm |
| April | 7.8°C | −1.7°C | 3.1°C | 103 mm | 23 cm |
| May | 16.4°C | 5.3°C | 10.9°C | 107 mm | 2 cm |
| June | 21.3°C | 10.5°C | 15.9°C | 127 mm | 0 cm |
| July | 23.5°C | 13.2°C | 18.4°C | 140 mm | 0 cm |
| August | 22.5°C | 12.3°C | 17.4°C | 129 mm | 0 cm |
| September | 18.3°C | 8.0°C | 13.2°C | 102 mm | 0 cm |
| October | 10.7°C | 2.2°C | 6.4°C | 122 mm | 6 cm |
| November | 3.4°C | −3.9°C | −0.3°C | 91 mm | 28 cm |
| December | −3.5°C | −11.1°C | −7.3°C | 114 mm | 81 cm |
| Year | 9.0°C | −0.5°C | 4.3°C | 1,324 mm | 358 cm |
In March, anything from −28.7°C to 22.2°C
Two years in three, January’s average falls within 2.9°C of its normal of −11.5°C; August keeps to within 1.1°C.
Where Adstock’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Thetford Mines, its nearest location with complete temperatures.
- 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: sunshine, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Adstock’s climate
How warm does Adstock get in summer?
July is the warmest month, with average highs of 23.5°C.
How cold does Adstock get in winter?
On a normal January night the air drops to −16.1°C, the coldest of the year.
How much rain and snow does Adstock get?
Precipitation totals 1,324 mm a year, with July the wettest month (140 mm) and November the driest (91 mm).
How long does snow stay on the ground?
About 155 days a year count as snow-covered, with 1 cm or more.
Are these figures for Adstock itself?
They describe Thetford Mines, the nearest normals location, rather than Adstock itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Adstock →
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).