Pine Grove has warmer summer afternoons than 95% of Canadian towns
January nights here settle around −8.9°C. Frost is rarer than in 82% of Canadian towns: about 131 nights a year drop below freezing. Expect the most rain and snow in June and the least in February. Ice scrapers and block heaters earn their keep on roughly 131 days a year at 0°C or below.
These are not Pine Grove’s own readings: ECCC keeps no normals there, so the page uses Toronto Pearson (Airport), 14 km south.
A year in Pine Grove at a glance
Each month’s typical high and low, in °C.
What stands out about Pine Grove’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Pine Grove feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
131 frost days and 125 days above 20°C a year
The frost season runs October to April, and January freezes nearly every night. Heat of 30°C or more comes on about 17 days 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 807 mm a year
On about 106 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 115 cm in a normal year
From November to April snow is likely; January is the peak, at about 32 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Pine Grove
93% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
Think of it as a year’s worth of daily shortfalls below 18°C, added up. Over a year, a home here needs less heating than 83% of Canadian towns.
Living with Pine Grove’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
On average the last spring frost comes around 27 April and the first autumn frost around 20 October: about 174 frost-free days between.
Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to May, Jun, Aug and Sep.
Parks & trails →Count on some 21 days a year when the wind makes it feel below −20.
Expect around 56 sticky days a year with the humidex above 30.
For the weather that does damage, from ice storms to floods, see Pine Grove’s hazards page.
Flood & hazards →ECCC’s normals location: Toronto Pearson (Airport)
Behind the 1991–2020 normals for Toronto Pearson (Airport) are 2 stations, which ECCC combines into one record.
| Distance from the town | 14 km south |
| Station altitude | 173 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −31.0°C |
| Hottest reading, 1991–2020 | 37.9°C |
| Average wind | 15.7 km/h on average, most often from the west |
| Next-nearest location | Toronto Buttonville (Airport), 19 km |
How Pine Grove 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 Pine Grove’s would only repeat its figures. The nearest places to Pine Grove with figures are 6–24 km away.
Pine Grove 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 | −1.2°C | −8.9°C | −5.0°C | 62 mm | 32 cm |
| February | −0.3°C | −8.5°C | −4.4°C | 50 mm | 28 cm |
| March | 5.0°C | −3.8°C | 0.6°C | 51 mm | 17 cm |
| April | 12.0°C | 1.9°C | 7.0°C | 77 mm | 5 cm |
| May | 19.2°C | 8.2°C | 13.7°C | 78 mm | under 1 cm |
| June | 24.5°C | 13.9°C | 19.2°C | 81 mm | 0 cm |
| July | 27.4°C | 16.6°C | 22.1°C | 74 mm | 0 cm |
| August | 26.3°C | 15.8°C | 21.1°C | 69 mm | 0 cm |
| September | 22.3°C | 11.6°C | 16.9°C | 69 mm | 0 cm |
| October | 14.6°C | 5.3°C | 10.0°C | 67 mm | under 1 cm |
| November | 7.9°C | 0.2°C | 4.1°C | 72 mm | 9 cm |
| December | 1.9°C | −5.0°C | −1.6°C | 59 mm | 24 cm |
| Year | 13.3°C | 3.9°C | 8.6°C | 807 mm | 115 cm |
January strays furthest from its normal year to year, by 3.0°C; June the least
March has the widest record range, −24.7°C in 2003 to 26.0°C in 2012; the tick on each bar is the month’s normal.
Where Pine Grove’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Toronto Pearson (Airport), the closest ECCC location with twelve months of temperature normals.
- 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: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Pine Grove’s climate
How warm does Pine Grove get in summer?
On a normal day in July the thermometer climbs to 27.4°C, the warmest of the year.
How cold does Pine Grove get in winter?
At its coldest, in January, the normal low is −8.9°C.
How much rain and snow does Pine Grove get?
Rain and snow add up to about 807 mm of water a year; June brings the most (81 mm), February the least (50 mm).
How long does snow stay on the ground?
Expect snow on the ground, at least 1 cm, for about 69 days a year.
Are these figures for Pine Grove itself?
Not exactly. Pine Grove lacks a normals station, so Toronto Pearson (Airport) supplies the figures.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Pine Grove →
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).