Photo: P199 · CC BY-SA 3.0Few Canadian towns get more frosts than Fort William 52
Sunny July days climb to about 24.9°C. July is the wettest month, February the driest. By precipitation alone, it ranks drier than 66% of Canadian towns. Homes need heating from October to May, the months averaging under 10°C.
No ECCC station in Fort William 52 has 1991–2020 normals; the page reads Thunder Bay, 6.3 km north-west, instead.
A year in Fort William 52 at a glance
Each month’s typical high and low, in °C.
What stands out about Fort William 52’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Fort William 52 feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on about 206 days a year
From September to May frost is routine, and in January it comes on almost every night. On about 42 nights a year the air falls below −20°C.
Frost days by month
Average days at 0°C or below
About 790 mm of rain and snow a year
On about 110 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
ECCC’s Thunder Bay normals leave precipitation out; the figures here come from Atikokan, 179 km away.
Living with Fort William 52’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
For long days outdoors, Jul and Aug bring highs of 17–27°C and lows of 8°C or more.
Parks & trails →Count on some 68 days a year when the wind makes it feel below −20.
About 26 days a year feel above 30 on the humidex.
Ice storms, floods and heat waves are risks, not averages: they are on Fort William 52’s hazards page.
Flood & hazards →ECCC’s normals location: Thunder Bay
Behind the 1991–2020 normals for Thunder Bay are 4 stations, which ECCC combines into one record.
| Distance from the town | 6.3 km north-west |
| Station altitude | 199 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Precipitation from | Atikokan, 179 km |
| Snowfall from | No location within 100 km |
| Coldest reading, 1991–2020 | −43.2°C |
| Hottest reading, 1991–2020 | 39.0°C |
| Average wind | 11.6 km/h on average, most often from the west |
| Next-nearest location | Atikokan, 179 km |
How Fort William 52 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 Ontario.
Nearby towns’ climate
Places around Fort William 52 whose figures come from another normals location. No closer place has figures: this one lies 156 km from Fort William 52.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Fort William 52 Thunder Bay | 24.9°C | −19.2°C | 790 mm |
| Schreiber 156 km · Geraldton | 23.6°C 1.3°C cooler | −24.7°C 5.5°C colder | 762 mm |
Fort William 52 weather by month
Each month’s normals, 1991–2020: high, low, mean and precipitation.
| Month | High | Low | Mean | Rain & snow |
|---|---|---|---|---|
| January | −7.6°C | −19.2°C | −13.4°C | 33 mm |
| February | −5.2°C | −18.3°C | −11.8°C | 26 mm |
| March | 1.0°C | −11.8°C | −5.4°C | 34 mm |
| April | 8.9°C | −4.2°C | 2.4°C | 53 mm |
| May | 15.9°C | 1.9°C | 8.9°C | 80 mm |
| June | 21.6°C | 7.8°C | 14.8°C | 101 mm |
| July | 24.9°C | 11.0°C | 18.0°C | 117 mm |
| August | 24.2°C | 10.0°C | 17.1°C | 94 mm |
| September | 19.2°C | 5.5°C | 12.4°C | 102 mm |
| October | 10.9°C | −0.3°C | 5.3°C | 74 mm |
| November | 2.6°C | −6.7°C | −2.1°C | 40 mm |
| December | −4.5°C | −14.6°C | −9.6°C | 38 mm |
| Year | 9.3°C | −3.3°C | 3.0°C | 790 mm |
March: −34.7°C at its coldest, 23.9°C at its warmest
The month to count on least is February: one year in three its average strays more than 3.7°C from −11.8°C. June moves least, typically by 1.0°C.
Where Fort William 52’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Thunder Bay, 1991–2020, chosen as the nearest location with a full temperature record.
- Other locations: a location missing months of precipitation or snow is filled from the nearest that has them all, never mixed month by month.
- 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: snow, with no complete snowfall normals within 100 km, sunshine, which ECCC published for no location, and any height adjustment.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Fort William 52’s climate
How warm does Fort William 52 get in summer?
On a normal day in July the thermometer climbs to 24.9°C, the warmest of the year.
How cold does Fort William 52 get in winter?
In January, the coldest month, the typical low is −19.2°C.
How much rain and snow does Fort William 52 get?
The yearly total is about 790 mm. July gets 117 mm, the most of any month; February gets 26 mm, the least.
Are these figures for Fort William 52 itself?
Not as such: Thunder Bay is the nearest normals location, and Fort William 52 has none.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Fort William 52 →
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).