Ice rarely forms: Corman sees fewer frosts than 92% of Canadian towns
Expect July afternoons of about 25.5°C. Of all months, July brings the most precipitation and February the least. From June to September, highs of 21–26°C make it easy to spend the day outdoors.
ECCC publishes no normals for Corman itself; the figures are those of Burlington Piers, 8.5 km north.
A year in Corman at a glance
Each month’s typical high and low, in °C.
What stands out about Corman’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Corman feels like
Each season’s and each month’s usual high and low, 1991–2020.
Frost on about 98 days a year
The frost season runs November to April, peaking in January at about 25 nights.
Frost days by month
Average days at 0°C or below
902 mm of precipitation in a typical year
On about 114 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Burlington Piers publishes no full year of precipitation, so these figures come from Hamilton, 15 km away.
About 141 cm of snow a year
From November to April snow is likely; January is the peak, at about 44 cm.
Snowfall by month
Centimetres
ECCC’s Burlington Piers normals leave snowfall out; the figures here come from Welland-Pelham, 50 km away.
Living with Corman’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to Jun, Jul, Aug and Sep.
Parks & trails →Wind chill falls below −20 on about 10 days a year: cover skin and dress in layers.
Humid heat, a humidex over 30, comes on about 46 days a year.
Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Corman’s hazards page.
Flood & hazards →ECCC’s normals location: Burlington Piers
Every temperature, frost, snow and degree-day figure on this page is the 1991–2020 normal ECCC publishes for Burlington Piers.
| Distance from the town | 8.5 km north |
| Station altitude | 77 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Precipitation from | Hamilton, 15 km |
| Snowfall from | Welland-Pelham, 50 km |
| Coldest reading, 1991–2020 | −25.3°C |
| Hottest reading, 1991–2020 | 36.0°C |
| Average wind | 13.3 km/h on average, most often from the west |
| Next-nearest location | Hamilton, 15 km |
How Corman 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
Places around Corman whose figures come from another normals location. Corman has few close neighbours with figures, so the list reaches 18–29 km out.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Corman Burlington Piers | 25.5°C | −6.3°C | 902 mm |
| Grimsby 18 km · Vineland | 27.1°C 1.6°C warmer | −6.8°C 0.5°C colder | 838 mm |
| Six Nations (Part) 40 29 km · Hamilton | 26.6°C 1.1°C warmer | −9.1°C 2.8°C colder | 902 mm |
Corman 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 | 0.1°C | −6.3°C | −3.1°C | 73 mm | 44 cm |
| February | 0.7°C | −5.9°C | −2.6°C | 53 mm | 24 cm |
| March | 4.7°C | −1.9°C | 1.4°C | 69 mm | 28 cm |
| April | 10.3°C | 3.3°C | 6.9°C | 81 mm | 5 cm |
| May | 16.7°C | 9.0°C | 12.9°C | 81 mm | 0 cm |
| June | 22.4°C | 15.1°C | 18.8°C | 78 mm | 0 cm |
| July | 25.5°C | 18.3°C | 21.9°C | 98 mm | 0 cm |
| August | 24.9°C | 18.3°C | 21.6°C | 67 mm | 0 cm |
| September | 21.4°C | 14.6°C | 18.1°C | 74 mm | 0 cm |
| October | 14.8°C | 8.3°C | 11.6°C | 84 mm | under 1 cm |
| November | 8.4°C | 2.7°C | 5.6°C | 78 mm | 9 cm |
| December | 2.9°C | −2.5°C | 0.2°C | 67 mm | 32 cm |
| Year | 12.7°C | 6.1°C | 9.4°C | 902 mm | 141 cm |
A February here can run warm or cold, its average moving by about 2.7°C; the steadiest month is August
Over 1991–2020, March saw both −21.2°C (2003) and 24.4°C (1998), the widest span of any month.
Where Corman’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Burlington Piers, its nearest location with complete temperatures.
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- 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 Corman’s climate
How warm does Corman get in summer?
In July, the warmest month, the typical high is 25.5°C.
How cold does Corman get in winter?
A typical January night falls to −6.3°C, the year’s low point.
How much rain and snow does Corman get?
A normal year brings 902 mm, snow included as water: July is wettest at 98 mm, February driest at 53 mm.
Are these figures for Corman itself?
No. ECCC measures normals at Burlington Piers, not in Corman; the page uses the nearest it has.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Corman →
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).