Photo: Earth Science and Remote Sensing Unit, NASA Johnson Space Center · Public domainHardly any Canadian towns see fresher July days than Division No. 4, Subdivision B
On a normal January night the air cools to about −9.0°C. Precipitation is plentiful here, more than falls on 93% of Canadian towns. The seasons are far apart: from a winter night to a summer afternoon the average spans 31°C. An umbrella or a shovel earns its place on about 174 days a year with 1 mm or more.
Borrowed figures: Division No. 4, Subdivision B has no normals station, so these come from Stephenville, 40 km north-east.
A year in Division No. 4, Subdivision B at a glance
Each month’s typical high and low, in °C.
What stands out about Division No. 4, Subdivision B’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Newfoundland and Labrador beside it.
What a year in Division No. 4, Subdivision B feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 157 frosts and 50 warm days a year
Frost comes from October to May; in January almost every night freezes.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 1,316 mm of rain and snow a year
September brings the most rain and snow; April, the least.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
386 cm of snow in a typical year
The snow season runs October to May; January brings the most, about 107 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Division No. 4, Subdivision B
84% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
Each day the mean sits under 18°C adds its shortfall; a year’s total is its heating degree days.
Living with Division No. 4, Subdivision B’s climate
What the normals mean for a garden, a day outside and the depth of winter.
A normal year gives the garden about 161 frost-free days, roughly 15 May to 23 October.
Plan time outside for Jul and Aug: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →The wind chill passes −20 on about 28 days in a normal year.
The air feels heavier than 30 on the humidex for about 4 days a year.
Thirty-year normals hide the storms and the extremes: the hazards page has Division No. 4, Subdivision B’s risks.
Flood & hazards →ECCC’s normals location: Stephenville
Behind the 1991–2020 normals for Stephenville are 2 stations, which ECCC combines into one record.
| Distance from the town | 40 km north-east |
| Station altitude | 25 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −28.8°C |
| Hottest reading, 1991–2020 | 30.7°C |
| Average wind | 18.8 km/h on average, most often from the west |
| Next-nearest location | Port Aux Basques, 76 km |
How Division No. 4, Subdivision B 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 Newfoundland and Labrador.
Nearby towns’ climate
Places around Division No. 4, Subdivision B whose figures come from another normals location. No closer places have figures: these lie 58–105 km from Division No. 4, Subdivision B.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Division No. 4, Subdivision B Stephenville | 20.3°C | −9.0°C | 1,316 mm |
| Division No. 4, Subdivision A 58 km · Port Aux Basques | 17.6°C 2.7°C cooler | −7.6°C 1.4°C milder | 1,316 mm |
| Humber Arm South 101 km · Corner Brook | 22.8°C 2.5°C warmer | −9.9°C 0.9°C colder | 1,293 mm |
Division No. 4, Subdivision B 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 | −2.1°C | −9.0°C | −5.6°C | 121 mm | 107 cm |
| February | −2.5°C | −10.2°C | −6.4°C | 107 mm | 97 cm |
| March | 0.7°C | −7.3°C | −3.3°C | 89 mm | 55 cm |
| April | 6.0°C | −1.6°C | 2.2°C | 78 mm | 17 cm |
| May | 11.8°C | 3.0°C | 7.4°C | 100 mm | 3 cm |
| June | 16.6°C | 7.8°C | 12.2°C | 93 mm | 0 cm |
| July | 20.3°C | 12.6°C | 16.5°C | 115 mm | 0 cm |
| August | 21.1°C | 13.1°C | 17.1°C | 117 mm | 0 cm |
| September | 16.9°C | 9.1°C | 13.0°C | 131 mm | 0 cm |
| October | 11.3°C | 4.3°C | 7.8°C | 130 mm | 3 cm |
| November | 5.9°C | 0.0°C | 3.0°C | 119 mm | 24 cm |
| December | 1.0°C | −4.8°C | −1.9°C | 117 mm | 81 cm |
| Year | 8.9°C | 1.4°C | 5.2°C | 1,316 mm | 386 cm |
The month with the widest range: March, −24.5°C to 19.7°C
Two years in three, February’s average falls within 2.6°C of its normal of −6.4°C; August keeps to within 1.0°C.
Where Division No. 4, Subdivision B’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Stephenville: the nearest of its locations with every month’s temperatures.
- Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
- 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 Division No. 4, Subdivision B’s climate
How warm does Division No. 4, Subdivision B get in summer?
A normal August afternoon tops out at about 21.1°C, the year’s high point.
How cold does Division No. 4, Subdivision B get in winter?
Deep winter means February, when nights average −10.2°C.
How much rain and snow does Division No. 4, Subdivision B get?
Precipitation totals 1,316 mm a year, with September the wettest month (131 mm) and April the driest (78 mm).
How long does snow stay on the ground?
A layer of at least 1 cm stays down on about 128 days a year.
Are these figures for Division No. 4, Subdivision B itself?
Not directly: Division No. 4, Subdivision B has no ECCC normals of its own, and Stephenville stands in for it.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Division No. 4, Subdivision B →
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).