Snowfall in Central Business Dis trails that of 81% of Canadian towns: about 115 cm a year
On a normal January night the air cools to about −9.1°C. Only about 139 nights a year bring a frost, fewer than in 73% of Canadian towns. Rain or snow is most frequent in July and least in February. Plan for rain or snow on about 114 days a year, the days with 1 mm or more.
Read at Hamilton, 10 km south: ECCC’s normals for 1991–2020.
A year in Central Business Dis at a glance
Each month’s typical high and low, in °C.
What stands out about Central Business Dis’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Central Business Dis feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on 139 days, 20°C on 123
From October to May frost is routine, and in January it comes on almost every night. About 13 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
Rain and melted snow: about 902 mm a year
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
115 cm of snow in a typical 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
Hamilton publishes no full year of snowfall, so these figures come from Toronto Pearson (Airport), 53 km away.
Heating a home in Central Business Dis
92% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Each day the mean sits under 18°C adds its shortfall; a year’s total is its heating degree days. By this count, homes here need less heating than 77% of Canadian towns.
Living with Central Business Dis’s climate
What the normals mean for a garden, a day outside and the depth of winter.
About 164 days a year pass without frost, from an average last frost of 1 May to a first of 12 October.
The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: Jun, Jul, Aug and Sep.
Parks & trails →Count on some 20 days a year when the wind makes it feel below −20.
Roughly 59 days a year feel hotter than 30 once humidity is counted.
Ice storms, floods and heat waves are risks, not averages: they are on Central Business Dis’s hazards page.
Flood & hazards →ECCC’s normals location: Hamilton
Behind the 1991–2020 normals for Hamilton are 2 stations, which ECCC combines into one record.
| Distance from the town | 10 km south |
| Station altitude | 238 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Snowfall from | Toronto Pearson (Airport), 53 km |
| Coldest reading, 1991–2020 | −30.0°C |
| Hottest reading, 1991–2020 | 36.4°C |
| Average wind | 16.0 km/h on average, most often from the south-west |
| Next-nearest location | Burlington Piers, 13 km |
How Central Business Dis compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Ontario.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Central Business Dis’s own would show the same figures). Central Business Dis has few close neighbours with figures, so the list reaches 8–29 km out.
Central Business Dis 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 | −1.4°C | −9.1°C | −5.3°C | 73 mm | 32 cm |
| February | −0.9°C | −9.2°C | −5.0°C | 53 mm | 28 cm |
| March | 4.7°C | −4.4°C | 0.2°C | 69 mm | 17 cm |
| April | 11.8°C | 1.3°C | 6.5°C | 81 mm | 5 cm |
| May | 18.9°C | 7.3°C | 13.1°C | 81 mm | under 1 cm |
| June | 24.2°C | 12.8°C | 18.5°C | 78 mm | 0 cm |
| July | 26.6°C | 15.2°C | 20.9°C | 98 mm | 0 cm |
| August | 25.6°C | 14.5°C | 20.1°C | 67 mm | 0 cm |
| September | 21.7°C | 10.5°C | 16.1°C | 74 mm | 0 cm |
| October | 14.5°C | 4.8°C | 9.7°C | 84 mm | under 1 cm |
| November | 7.7°C | −0.2°C | 3.8°C | 78 mm | 9 cm |
| December | 1.5°C | −5.4°C | −1.9°C | 67 mm | 24 cm |
| Year | 12.9°C | 3.2°C | 8.1°C | 902 mm | 115 cm |
A March here can run from −24.6°C to 26.8°C
January is the least predictable month: about two years in three its average lands within 3.0°C of the normal, −5.3°C. June is the steadiest, within 1.1°C.
Where Central Business Dis’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Hamilton, 1991–2020, chosen as the nearest location with a full temperature record.
- 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: sunshine, absent from every 1991–2020 location, and an altitude correction, for want of the town’s own elevation.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Central Business Dis’s climate
How warm does Central Business Dis get in summer?
Of all twelve months, July has the warmest afternoons, about 26.6°C.
How cold does Central Business Dis get in winter?
Winter bottoms out in February, with lows near −9.2°C.
How much rain and snow does Central Business Dis get?
Count on roughly 902 mm a year, heaviest in July (98 mm) and lightest in February (53 mm).
How long does snow stay on the ground?
A layer of at least 1 cm stays down on about 82 days a year.
Are these figures for Central Business Dis itself?
Almost: ECCC’s Hamilton location, which gives these figures, lies a short way outside Central Business Dis.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Central Business Dis →
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).