Photo: Jean-Pierre Guillet · CC BY-SA 3.0More rain and snow fall on Potton than on 94% of Canadian towns: 1,340 mm a year
Sunny July days climb to about 25.3°C. A year here swings 39°C from midwinter lows to midsummer highs. Ice scrapers and block heaters earn their keep on roughly 159 days a year at 0°C or below.
Borrowed figures: Potton has no normals station, so these come from Sutton, 21 km west.
A year in Potton at a glance
Each month’s typical high and low, in °C.
What stands out about Potton’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Potton feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on 159 days, 20°C on 111
From October to May frost is routine, and in January it comes on almost every night. Deep cold, under −20°C, comes on about 16 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 1,340 mm of rain and snow a year
July brings the most rain and snow; February, the least. 2nd wettest of 514 towns of 2,500+ in Quebec. About 156 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 321 cm of snow a year
Snow falls from October to May, most of all in December (about 68 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Potton
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Heating degree days total each day’s gap between its mean temperature and 18°C.
Living with Potton’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Between the last frost, near 15 May, and the first, near 2 October, lie about 139 frost-free days.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul, Aug and Sep.
Parks & trails →Thirty years of averages say little about one bad storm; Potton’s hazards page does.
Flood & hazards →ECCC’s normals location: Sutton
Sutton is one of the 450 places where ECCC publishes 1991–2020 normals.
| Distance from the town | 21 km west |
| Station altitude | 244 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −36.5°C |
| Hottest reading, 1991–2020 | 33.5°C |
| Next-nearest location | Frelighsburg, 35 km |
How Potton 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 Potton’s own would show the same figures). Distances here run 20–29 km: that is how far the nearest places with figures are from Potton.
Potton weather by month
Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −3.9°C | −13.5°C | −8.9°C | 97 mm | 63 cm |
| February | −2.3°C | −12.3°C | −7.4°C | 84 mm | 62 cm |
| March | 2.8°C | −6.7°C | −2.0°C | 100 mm | 58 cm |
| April | 10.8°C | 0.4°C | 5.8°C | 111 mm | 26 cm |
| May | 18.6°C | 7.1°C | 12.8°C | 115 mm | 2 cm |
| June | 22.9°C | 11.9°C | 17.4°C | 114 mm | 0 cm |
| July | 25.3°C | 14.5°C | 19.7°C | 128 mm | 0 cm |
| August | 24.3°C | 13.7°C | 19.0°C | 123 mm | 0 cm |
| September | 20.3°C | 9.6°C | 14.9°C | 119 mm | 0 cm |
| October | 13.1°C | 3.9°C | 8.5°C | 127 mm | 9 cm |
| November | 5.9°C | −2.1°C | 2.0°C | 112 mm | 34 cm |
| December | −0.7°C | −8.7°C | −4.8°C | 111 mm | 68 cm |
| Year | 11.4°C | 1.5°C | 6.4°C | 1,340 mm | 321 cm |
The month with the widest range: February, −36.5°C to 19.0°C
Two years in three, January’s average falls within 3.2°C of its normal of −8.9°C; August keeps to within 1.0°C.
Where Potton’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Sutton (the closest location with all twelve months of 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: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Potton’s climate
How warm does Potton get in summer?
Peak warmth comes in July, at about 25.3°C by mid-afternoon.
How cold does Potton get in winter?
A typical January night falls to −13.5°C, the year’s low point.
How much rain and snow does Potton get?
1,340 mm a year counting snow as water. The wettest month is July (128 mm); the driest, February (84 mm).
How long does snow stay on the ground?
The ground is white, with 1 cm or more, on some 123 days a year.
Are these figures for Potton itself?
No: Potton has no normals location, so the figures come from Sutton, the nearest with 1991–2020 normals.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Potton →
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).