Fort Frances has colder winter nights than 92% of Canadian towns
Peak summer warmth arrives in July, with afternoons near 25.2°C. By precipitation alone, it ranks drier than 67% of Canadian towns. The gap between a January night and a July afternoon is 46°C. Frost comes on about 196 days a year, so leave time to clear the car.
1991–2020 normals from ECCC’s Fort Frances location, 5.1 km north-west.
A year in Fort Frances at a glance
Each month’s typical high and low, in °C.
What stands out about Fort Frances’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Fort Frances feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 196 days, 20°C on 102
Frost comes from September to May; in December almost every night freezes. Deep cold, under −20°C, comes on about 46 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 731 mm of rain and snow a year
The most falls in June, the least in February. 870th wettest of 871 towns of 2,500+ in Ontario. Some 112 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 157 cm of snow a year
Snow falls from October to April, most of all in January (about 38 cm).
Snowfall by month
Centimetres
Heating a home in Fort Frances
90% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
A day averaging 10 degrees under 18°C adds 10 to the total; warm days add nothing. That means homes here need more heating than 83% of Canadian towns.
Living with Fort Frances’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Afternoons of 17–27°C and nights of at least 8°C arrive in Jun, Jul and Aug.
Parks & trails →Thirty-year normals hide the storms and the extremes: the hazards page has Fort Frances’s risks.
Flood & hazards →ECCC’s normals location: Fort Frances
Fort Frances is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 5.1 km north-west |
| Station altitude | 342 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −45.5°C |
| Hottest reading, 1991–2020 | 36.5°C |
| Next-nearest location | Atikokan, 135 km |
How Fort Frances compares
Placed among 2,611 Canadian towns and neighbourhoods of 2,500+, each on its nearest normals location; each dot is another location used in Ontario.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Fort Frances’s would only repeat its figures. Fort Frances has few close neighbours with figures, so the list reaches 130–151 km out.
Fort Frances 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 | −9.3°C | −21.0°C | −15.2°C | 32 mm | 38 cm |
| February | −5.9°C | −19.1°C | −12.5°C | 21 mm | 21 cm |
| March | 1.7°C | −11.0°C | −4.6°C | 32 mm | 19 cm |
| April | 9.9°C | −2.9°C | 3.6°C | 45 mm | 12 cm |
| May | 17.6°C | 4.0°C | 10.8°C | 86 mm | under 1 cm |
| June | 22.7°C | 9.8°C | 16.3°C | 109 mm | 0 cm |
| July | 25.2°C | 12.1°C | 18.7°C | 102 mm | 0 cm |
| August | 24.2°C | 10.9°C | 17.6°C | 85 mm | 0 cm |
| September | 18.9°C | 6.5°C | 12.7°C | 84 mm | 0 cm |
| October | 10.4°C | 0.3°C | 5.3°C | 59 mm | 4 cm |
| November | 1.1°C | −7.3°C | −3.2°C | 43 mm | 31 cm |
| December | −6.3°C | −16.0°C | −11.2°C | 33 mm | 32 cm |
| Year | 9.2°C | −2.8°C | 3.2°C | 731 mm | 157 cm |
From −37.3°C to 26.4°C: March’s coldest and warmest days since 1991
The month to count on least is February: one year in three its average strays more than 4.0°C from −12.5°C. August moves least, typically by 1.3°C.
Where Fort Frances’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Fort Frances, 1991–2020, chosen as the nearest location with a full temperature record.
- 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 Fort Frances’s climate
How warm does Fort Frances get in summer?
Highs reach 25.2°C on an average July day; no month is warmer.
How cold does Fort Frances get in winter?
Winter bottoms out in January, with lows near −21.0°C.
How much rain and snow does Fort Frances get?
Measured as water, a year brings 731 mm: 109 mm in June, the wettest month, and 21 mm in February, the driest.
Are these figures for Fort Frances itself?
Almost: ECCC’s Fort Frances location, which gives these figures, lies a short way outside Fort Frances.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Fort Frances →
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).