Summer arrives in force in Malton, hotter than in 95% of Canadian towns
Nights in January average −8.9°C. Only about 131 nights a year bring a frost, fewer than in 82% of Canadian towns. Of all months, June brings the most precipitation and February the least. Ice scrapers and block heaters earn their keep on roughly 131 days a year at 0°C or below.
Figures: ECCC’s 1991–2020 normals at Toronto Pearson (Airport) (4.4 km south).
A year in Malton at a glance
Each month’s typical high and low, in °C.
What stands out about Malton’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Malton feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 131 frosts and 125 warm days a year
Frost comes from October to April; in January almost every night freezes. About 17 days a year top 30°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
807 mm of precipitation in a typical year
About 106 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 115 cm in a normal year
Snow falls from November to April, most of all in January (about 32 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Malton
93% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
A day averaging 10 degrees under 18°C adds 10 to the total; warm days add nothing. That means homes here need less heating than 83% of Canadian towns.
Living with Malton’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
A normal year gives the garden about 174 frost-free days, roughly 27 April to 20 October.
Highs of 17–27°C with nights of 8°C or more come in May, Jun, Aug and Sep.
Parks & trails →Wind chill falls below −20 on about 21 days a year: cover skin and dress in layers.
About 56 days a year feel above 30 on the humidex.
Severe weather is a separate story from the averages: see Malton’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 | 4.4 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 (City), 20 km |
How Malton 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
Nearby places read from a different ECCC location (places on Malton’s own would show the same figures). No closer places have figures: these lie 16–29 km from Malton.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Malton Toronto Pearson (Airport) | 27.4°C | −8.9°C | 807 mm |
| Vaughan 16 km · Toronto Buttonville (Airport) | 27.3°C about the same | −10.1°C 1.2°C colder | 862 mm |
| Toronto 20 km · Toronto (City) | 27.0°C about the same | −6.7°C 2.2°C milder | 823 mm |
| Milton 29 km · Burlington Piers | 25.5°C 1.9°C cooler | −6.3°C 2.6°C milder | 807 mm |
Malton weather by month
Month by month, 1991–2020: the usual high, low and mean, the rain and snow, and the snowfall.
| 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 |
March: −24.7°C at its coldest, 26.0°C at its warmest
Year to year, January varies most (a standard deviation of 3.0°C around −5.0°C) and June least (1.3°C).
Where Malton’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Toronto Pearson (Airport): the nearest of its locations with every month’s temperatures.
- Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
- Not on this page: sunshine, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Malton’s climate
How warm does Malton get in summer?
Expect highs near 27.4°C in July, the hottest month on average.
How cold does Malton get in winter?
Midwinter means January, when a typical night reaches −8.9°C.
How much rain and snow does Malton get?
Around 807 mm a year in all, from 81 mm in June down to 50 mm in February.
How long does snow stay on the ground?
About 69 days a year count as snow-covered, with 1 cm or more.
Are these figures for Malton itself?
Yes, measured at Toronto Pearson (Airport), which sits inside Malton’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Malton →
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).