Few Canadian towns have colder winter nights than Iroquois Falls
On a normal July day the thermometer tops out near 24.4°C. In July, afternoons here are cooler than in 67% of Canadian towns. Winter and summer sit 47°C apart. Plan time outside from June to August, when highs sit at 22–24°C.
Far-off figures: ECCC’s closest normals for Iroquois Falls come from Timmins/Victor Power, 55 km west, so take them as the area’s climate.
A year in Iroquois Falls at a glance
Each month’s typical high and low, in °C.
What stands out about Iroquois Falls’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Iroquois Falls feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on 207 days, 20°C on 92
The frost season runs September to June, and January freezes nearly every night. Deep cold, under −20°C, comes on about 56 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 796 mm of rain and snow a year
October brings the most rain and snow; February, the least. Some 129 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 308 cm of snow a year
From October to May snow is likely; December is the peak, at about 64 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Iroquois Falls
88% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
The total grows by a degree for every degree a day’s mean sits under 18°C. By this count, homes here need more heating than 98% of Canadian towns.
Living with Iroquois Falls’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
From about 7 June to 7 September the garden is usually clear of frost, some 91 days.
Highs of 17–27°C with nights of 8°C or more come in Jun, Jul and Aug.
Parks & trails →Plan for about 85 days a year with a wind chill below −20.
On some 22 days a year the humidex climbs past 30.
Storms, floods and heat waves sit outside these normals; Iroquois Falls’s hazards page covers them.
Flood & hazards →ECCC’s normals location: Timmins/Victor Power
Behind the 1991–2020 normals for Timmins/Victor Power are 3 stations, which ECCC combines into one record.
| Distance from the town | 55 km west |
| Station altitude | 294 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −43.9°C |
| Hottest reading, 1991–2020 | 38.8°C |
| Average wind | 11.7 km/h on average, most often from the south |
| Next-nearest location | Kirkland Lake, 84 km |
How Iroquois Falls 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 Iroquois Falls’s would only repeat its figures. The nearest places to Iroquois Falls with figures are 33–102 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Iroquois Falls Timmins/Victor Power | 24.4°C | −22.3°C | 796 mm |
| Black River-Matheson 33 km · Kirkland Lake | 24.0°C about the same | −21.9°C about the same | 787 mm |
| Smooth Rock Falls 90 km · Kapuskasing | 24.1°C about the same | −23.3°C 1.0°C colder | 806 mm |
Iroquois Falls weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −10.4°C | −22.3°C | −16.4°C | 49 mm | 59 cm |
| February | −7.6°C | −21.0°C | −14.4°C | 40 mm | 48 cm |
| March | −0.7°C | −14.4°C | −7.5°C | 48 mm | 43 cm |
| April | 7.2°C | −5.3°C | 0.9°C | 62 mm | 25 cm |
| May | 16.8°C | 2.5°C | 9.7°C | 70 mm | 3 cm |
| June | 22.4°C | 8.1°C | 15.3°C | 80 mm | under 1 cm |
| July | 24.4°C | 10.9°C | 17.7°C | 79 mm | 0 cm |
| August | 22.8°C | 9.6°C | 16.2°C | 76 mm | 0 cm |
| September | 17.8°C | 5.5°C | 11.7°C | 81 mm | 1 cm |
| October | 9.1°C | −0.1°C | 4.5°C | 86 mm | 14 cm |
| November | 0.8°C | −7.1°C | −3.2°C | 69 mm | 51 cm |
| December | −6.5°C | −15.9°C | −11.2°C | 57 mm | 64 cm |
| Year | 8.0°C | −4.1°C | 1.9°C | 796 mm | 308 cm |
January strays furthest from its normal year to year, by 3.7°C; July the least
Bars run from each month’s record low to its record high since 1991. March spans the most, from −36.5°C (2003) to 27.9°C (2012).
Where Iroquois Falls’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Timmins/Victor Power, 1991–2020, chosen as the nearest location with a full temperature record.
- Comparisons: every Canadian town and neighbourhood of 2,500 or more, each read from its own nearest location; city totals and reserves are left out.
- 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 Iroquois Falls’s climate
How warm does Iroquois Falls get in summer?
Afternoons average 24.4°C in July, the warmest time of year.
How cold does Iroquois Falls get in winter?
In January, the coldest month, the typical low is −22.3°C.
How much rain and snow does Iroquois Falls get?
Rain and snow, with snow counted as water, total 796 mm a year; October leads with 86 mm and February trails with 40 mm.
How long does snow stay on the ground?
There is 1 cm of snow or more on the ground on roughly 164 days a year.
Are these figures for Iroquois Falls itself?
No: they come from Timmins/Victor Power, the nearest ECCC normals location, and far enough away to describe the wider area more than Iroquois Falls.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Iroquois Falls →
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).