Photo: P199 · CC BY-SA 3.0Whitestone sits near the top of Canadian towns for snow: about 312 cm a year
Peak summer warmth arrives in July, with afternoons near 24.3°C. The seasons are far apart: from a winter night to a summer afternoon the average spans 42°C. In January, nights here are colder than in 81% of Canadian towns. Windshields need scraping on about 176 mornings a year, the days the air reaches 0°C or below.
The nearest ECCC normals location is North Bay, 85 km north: at that distance its figures describe the region more than Whitestone itself.
A year in Whitestone at a glance
Each month’s typical high and low, in °C.
What stands out about Whitestone’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Whitestone feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on 176 days, 20°C on 96
Frost comes from September to May; in January almost every night freezes. Deep cold, under −20°C, comes on about 28 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
Rain and melted snow: about 1,020 mm a year
The most falls in September, the least in February. About 133 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 312 cm in a normal year
Snow falls from October to May, most of all in December (about 71 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Whitestone
90% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
One degree below 18°C for one day makes one heating degree day; the year’s days are added together. That means homes here need more heating than 72% of Canadian towns.
Living with Whitestone’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Tender plants are usually safe from around 15 May until frost returns near 29 September: about 135 days.
Highs of 17–27°C with nights of 8°C or more come in Jun, Jul, Aug and Sep.
Parks & trails →Expect around 61 days a year when the wind chill sinks below −20.
The humidex tops 30 on about 25 days a year: muggy days to plan around.
Bad-weather days, from blizzards to floods, get their own page for Whitestone: the hazards page.
Flood & hazards →ECCC’s normals location: North Bay
ECCC builds the North Bay normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 85 km north |
| Station altitude | 370 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −39.3°C |
| Hottest reading, 1991–2020 | 35.3°C |
| Average wind | 14.0 km/h on average, most often from the south-west |
| Next-nearest location | Muskoka, 87 km |
How Whitestone 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
The nearest places on a normals location of their own: those that share Whitestone’s would only repeat its figures. Whitestone has no close neighbour with figures; the nearest is 21 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Whitestone North Bay | 24.3°C | −17.3°C | 1,020 mm |
| McKellar 21 km · Muskoka | 25.3°C 1.0°C warmer | −15.3°C 2.0°C milder | 1,062 mm |
Whitestone 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 | −7.4°C | −17.3°C | −12.3°C | 70 mm | 70 cm |
| February | −5.6°C | −15.9°C | −10.8°C | 54 mm | 63 cm |
| March | 0.7°C | −9.6°C | −4.5°C | 60 mm | 39 cm |
| April | 8.6°C | −1.8°C | 3.4°C | 72 mm | 18 cm |
| May | 17.0°C | 5.7°C | 11.4°C | 89 mm | 4 cm |
| June | 22.0°C | 11.1°C | 16.6°C | 91 mm | under 1 cm |
| July | 24.3°C | 13.7°C | 19.0°C | 98 mm | 0 cm |
| August | 23.1°C | 12.8°C | 18.0°C | 93 mm | 0 cm |
| September | 18.5°C | 8.3°C | 13.4°C | 114 mm | under 1 cm |
| October | 10.6°C | 2.3°C | 6.5°C | 109 mm | 9 cm |
| November | 3.1°C | −4.3°C | −0.6°C | 97 mm | 38 cm |
| December | −3.8°C | −11.7°C | −7.8°C | 73 mm | 71 cm |
| Year | 9.3°C | −0.6°C | 4.4°C | 1,020 mm | 312 cm |
Two years in three, January’s average lands within 3.4°C of normal, against the steadier June
Each bar spans a month’s coldest and warmest readings over thirty years; March’s run from −33.1°C in 2003 to 25.2°C in 2012.
Where Whitestone’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for North Bay, the nearest location with a full year of temperatures.
- Comparisons: Canadian towns and neighbourhoods of at least 2,500, each placed by its nearest location (city totals and reserves excluded).
- 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 Whitestone’s climate
How warm does Whitestone get in summer?
A normal July afternoon tops out at about 24.3°C, the year’s high point.
How cold does Whitestone get in winter?
Winter bottoms out in January, with lows near −17.3°C.
How much rain and snow does Whitestone get?
Over twelve months, rain and melted snow come to 1,020 mm; the range runs from 54 mm in February to 114 mm in September.
How long does snow stay on the ground?
Expect snow on the ground, at least 1 cm, for about 137 days a year.
Are these figures for Whitestone itself?
No. The nearest normals are those of North Bay, a long way from Whitestone.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Whitestone →
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).