Photo: Verne Equinox · CC BY 3.0More rain and snow fall on Cardwell than on 84% of Canadian towns: 1,152 mm a year
The coldest hours of a January night bottom out at −13.2°C on average. Winter and summer sit 39°C apart. Expect about 166 frosty starts a year, days when the air falls to freezing.
Cardwell has no ECCC normals station of its own: every figure here comes from Sussex/Four Corners, 17 km south-west.
A year in Cardwell at a glance
Each month’s typical high and low, in °C.
What stands out about Cardwell’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in New Brunswick beside it.
What a year in Cardwell feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on 166 days, 20°C on 108
From September to May frost is routine, and in January it comes on almost every night. Deep cold, under −20°C, comes on about 12 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 1,152 mm of rain and snow a year
January brings the most rain and snow; August, the least. On about 129 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 248 cm of snow a year
From November to May snow is likely; January is the peak, at about 66 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Cardwell
90% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
The total grows by a degree for every degree a day’s mean sits under 18°C.
Living with Cardwell’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Count on about 128 frost-free days: the last frost averages 20 May, the first 26 September.
Afternoons of 17–27°C and nights of at least 8°C arrive in Jun, Jul, Aug and Sep.
Parks & trails →Severe weather is a separate story from the averages: see Cardwell’s hazards page.
Flood & hazards →ECCC’s normals location: Sussex/Four Corners
Sussex/Four Corners is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 17 km south-west |
| Station altitude | 21 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −34.0°C |
| Hottest reading, 1991–2020 | 35.0°C |
| Next-nearest location | Alma/Fundy Park, 39 km |
How Cardwell compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in New Brunswick.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Cardwell’s would only repeat its figures. The nearest places to Cardwell with figures are 21–47 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Cardwell Sussex/Four Corners | 25.7°C | −13.2°C | 1,152 mm |
| Elgin 21 km · Alma/Fundy Park | 22.4°C 3.3°C cooler | −11.8°C 1.4°C milder | 1,529 mm |
| Salisbury 26 km · Moncton | 25.1°C 0.6°C cooler | −13.3°C about the same | 1,203 mm |
| Upham 43 km · Saint John | 23.0°C 2.7°C cooler | −13.2°C about the same | 1,271 mm |
Cardwell weather by month
Month by month, 1991–2020: the usual high, low and mean, the rain and snow, and the snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −2.5°C | −13.2°C | −7.9°C | 116 mm | 66 cm |
| February | −0.9°C | −12.1°C | −6.5°C | 82 mm | 46 cm |
| March | 3.4°C | −6.6°C | −1.6°C | 109 mm | 51 cm |
| April | 10.2°C | −0.5°C | 4.9°C | 81 mm | 19 cm |
| May | 17.3°C | 4.8°C | 11.1°C | 90 mm | 2 cm |
| June | 22.6°C | 10.1°C | 16.4°C | 90 mm | 0 cm |
| July | 25.7°C | 13.7°C | 19.7°C | 71 mm | 0 cm |
| August | 25.3°C | 12.8°C | 19.1°C | 64 mm | 0 cm |
| September | 20.8°C | 8.6°C | 14.7°C | 110 mm | 0 cm |
| October | 13.8°C | 3.1°C | 8.5°C | 113 mm | under 1 cm |
| November | 7.1°C | −1.6°C | 2.8°C | 112 mm | 14 cm |
| December | 1.0°C | −8.3°C | −3.6°C | 113 mm | 50 cm |
| Year | 12.0°C | 0.9°C | 6.5°C | 1,152 mm | 248 cm |
From year to year, January moves by 2.5°C, more than any month, and August least
Bars run from each month’s record low to its record high since 1991. March spans the most, from −27.0°C (1995) to 24.5°C (1998).
Where Cardwell’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the closest ECCC location with twelve months of temperature normals, Sussex/Four Corners, 1991–2020.
- Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
- 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 Cardwell’s climate
How warm does Cardwell get in summer?
Summer peaks in July: a typical afternoon reaches 25.7°C.
How cold does Cardwell get in winter?
A typical January night falls to −13.2°C, the year’s low point.
How much rain and snow does Cardwell get?
A normal year brings 1,152 mm, snow included as water: January is wettest at 116 mm, August driest at 64 mm.
Are these figures for Cardwell itself?
No, they come from Sussex/Four Corners; ECCC keeps no 1991–2020 normals in Cardwell itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Cardwell →
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).