Photo: P199 · CC BY-SA 3.0More rain and snow fall on McKellar than on 79% of Canadian towns: 1,062 mm a year
The depth of winter brings overnight lows near −15.3°C. Its January nights bite harder than in 72% of Canadian towns. Seasons differ by 41°C, from the coldest nights to the warmest afternoons. Homes need heating from October to April, the months averaging under 10°C.
McKellar has no ECCC normals station nearby: the figures come from Muskoka, 73 km south-east, so read them as the wider area’s climate.
A year in McKellar at a glance
Each month’s typical high and low, in °C.
What stands out about McKellar’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in McKellar feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
175 frost days and 109 days above 20°C a year
Frost comes from September to May; in January almost every night freezes. On about 27 nights a year the air falls below −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 1,062 mm of rain and snow a year
The most falls in October, the least in February. On about 141 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Heating a home in McKellar
90% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Think of it as a year’s worth of daily shortfalls below 18°C, added up.
Living with McKellar’s climate
What the normals mean for a garden, a day outside and the depth of winter.
The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: Jun, Jul and Aug.
Parks & trails →Bad-weather days, from blizzards to floods, get their own page for McKellar: the hazards page.
Flood & hazards →ECCC’s normals location: Muskoka
ECCC builds the Muskoka normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 73 km south-east |
| Station altitude | 282 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | No location within 100 km |
| Coldest reading, 1991–2020 | −40.0°C |
| Hottest reading, 1991–2020 | 35.2°C |
| Average wind | 10.7 km/h |
| Next-nearest location | North Bay, 106 km |
How McKellar 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 McKellar whose figures come from another normals location. The nearest place to McKellar with figures is 21 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| McKellar Muskoka | 25.3°C | −15.3°C | 1,062 mm |
| Whitestone 21 km · North Bay | 24.3°C 1.0°C cooler | −17.3°C 2.0°C colder | 1,020 mm |
McKellar weather by month
Average daily high and low, mean temperature and precipitation by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow |
|---|---|---|---|---|
| January | −4.6°C | −15.3°C | −10.0°C | 92 mm |
| February | −3.1°C | −15.1°C | −9.1°C | 56 mm |
| March | 2.5°C | −9.0°C | −3.3°C | 72 mm |
| April | 10.4°C | −1.6°C | 4.4°C | 79 mm |
| May | 18.4°C | 4.7°C | 11.5°C | 93 mm |
| June | 23.1°C | 10.1°C | 16.7°C | 86 mm |
| July | 25.3°C | 12.8°C | 19.1°C | 100 mm |
| August | 24.4°C | 11.8°C | 18.1°C | 82 mm |
| September | 20.1°C | 7.5°C | 13.8°C | 102 mm |
| October | 12.5°C | 2.2°C | 7.4°C | 111 mm |
| November | 5.1°C | −3.4°C | 0.9°C | 103 mm |
| December | −1.0°C | −9.7°C | −5.4°C | 87 mm |
| Year | 11.1°C | −0.4°C | 5.3°C | 1,062 mm |
From year to year, January moves by 3.3°C, more than any month, and June least
Bars run from each month’s record low to its record high since 1991. March spans the most, from −31.9°C (2003) to 26.7°C (2012).
Where McKellar’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Muskoka, the closest ECCC location with twelve months of temperature normals.
- Comparisons: the 2,500-plus towns and neighbourhoods of Canada, each read from its closest normals location; whole cities and reserves aren’t counted.
- Not on this page: snowfall (no location within 100 km publishes a full year of it), sunshine (none for 1991–2020) and an altitude correction.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about McKellar’s climate
How warm does McKellar get in summer?
Highs reach 25.3°C on an average July day; no month is warmer.
How cold does McKellar get in winter?
Expect nights around −15.3°C in January; no month is colder.
How much rain and snow does McKellar get?
Rain and snow, with snow counted as water, total 1,062 mm a year; October leads with 111 mm and February trails with 56 mm.
Are these figures for McKellar itself?
They are the figures for Muskoka, which read better as the region’s climate than McKellar’s own.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for McKellar →
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).