Photo: Quintin Soloviev · CC BY 4.0Saint-Quentin sits near the top of Canadian towns for snow: about 329 cm a year
Midwinter brings lows of about −17.9°C. The seasons are far apart: from a winter night to a summer afternoon the average spans 42°C. Precipitation is plentiful here, more than falls on 83% of Canadian towns. About 131 days a year bring 1 mm of precipitation or more.
Every figure here comes from St. Leonard, 51 km south-west; ECCC has no normals closer to Saint-Quentin, so they describe the wider area.
A year in Saint-Quentin at a glance
Each month’s typical high and low, in °C.
What stands out about Saint-Quentin’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in New Brunswick beside it.
What a year in Saint-Quentin feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on 192 days, 20°C on 93
Frost comes from September to May; in January almost every night freezes. Some 33 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
1,128 mm of precipitation in a typical year
The most falls in July, the least in February.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
329 cm of snow in a typical year
Snow falls from October to May, most of all in February (about 70 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Saint-Quentin
88% 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. In heating terms, homes need more heating than 82% of Canadian towns.
Living with Saint-Quentin’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
The growing season between frosts lasts about 116 days, roughly 21 May to 15 September.
Plan time outside for Jun, Jul and Aug: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →Winter brings about 57 days with a wind chill below −20.
Roughly 24 days a year feel hotter than 30 once humidity is counted.
A normal year has no blizzard, flood or heat wave in it; Saint-Quentin’s hazards page looks at those.
Flood & hazards →ECCC’s normals location: St. Leonard
St. Leonard is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 51 km south-west |
| Station altitude | 242 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −38.8°C |
| Hottest reading, 1991–2020 | 34.6°C |
| Average wind | 11.4 km/h on average, most often from the north-west |
| Next-nearest location | Edmundston, 71 km |
How Saint-Quentin compares
Against the 2,611 Canadian towns and neighbourhoods of 2,500 or more, each read from its own normals location; the dots are the other locations those towns use in New Brunswick.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Saint-Quentin’s own would show the same figures). Distances here run 68–72 km: that is how far the nearest places with figures are from Saint-Quentin.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Saint-Quentin St. Leonard | 24.2°C | −17.9°C | 1,128 mm |
| Plaster Rock 68 km · Aroostook | 25.7°C 1.5°C warmer | −17.5°C about the same | 1,149 mm |
| Atholville 68 km · Charlo | 23.8°C about the same | −16.2°C 1.7°C milder | 1,011 mm |
| Saint-Joseph 70 km · Edmundston | 25.0°C 0.8°C warmer | −19.1°C 1.2°C colder | 1,012 mm |
Saint-Quentin weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −7.1°C | −17.9°C | −12.5°C | 85 mm | 70 cm |
| February | −5.4°C | −16.8°C | −11.1°C | 73 mm | 70 cm |
| March | 0.6°C | −10.5°C | −4.9°C | 83 mm | 64 cm |
| April | 8.0°C | −2.9°C | 2.6°C | 83 mm | 26 cm |
| May | 16.6°C | 3.6°C | 10.1°C | 95 mm | 2 cm |
| June | 21.7°C | 8.6°C | 15.2°C | 108 mm | 0 cm |
| July | 24.2°C | 11.9°C | 18.1°C | 115 mm | 0 cm |
| August | 23.5°C | 10.6°C | 17.1°C | 102 mm | 0 cm |
| September | 18.8°C | 6.1°C | 12.5°C | 96 mm | 0 cm |
| October | 10.7°C | 0.6°C | 5.7°C | 103 mm | 7 cm |
| November | 3.6°C | −4.8°C | −0.6°C | 92 mm | 25 cm |
| December | −3.3°C | −12.3°C | −7.8°C | 93 mm | 66 cm |
| Year | 9.3°C | −2.0°C | 3.7°C | 1,128 mm | 329 cm |
The month with the widest range: March, −33.6°C to 24.1°C
Two years in three, January’s average falls within 2.7°C of its normal of −12.5°C; August keeps to within 1.0°C.
Where Saint-Quentin’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for St. Leonard, the nearest location with a full year of temperatures.
- Comparisons: the towns and neighbourhoods of 2,500+ across Canada, each on its nearest normals location, without the city totals or the reserves.
- Not on this page: a sunshine figure (ECCC published none for 1991–2020) and any lapse-rate correction for height, as the town has no elevation here.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Saint-Quentin’s climate
How warm does Saint-Quentin get in summer?
July is the warmest month, with average highs of 24.2°C.
How cold does Saint-Quentin get in winter?
Overnight lows average −17.9°C in January, the coldest month.
How much rain and snow does Saint-Quentin get?
Rain and snow, with snow counted as water, total 1,128 mm a year; July leads with 115 mm and February trails with 73 mm.
How long does snow stay on the ground?
Around 151 days a year see 1 cm of snow or more lying.
Are these figures for Saint-Quentin itself?
No. The nearest normals are those of St. Leonard, a long way from Saint-Quentin.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Saint-Quentin →
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).