Less snow falls on Horning than on 81% of Canadian towns: about 115 cm a year
Peak summer warmth arrives in July, with afternoons near 26.6°C. Frosty nights are scarcer than in 73% of Canadian towns. Temperatures cover 36°C across the year, low to high. Picnics, hikes and garden evenings come into their own from June to September, with highs of 22–27°C.
Environment and Climate Change Canada’s 1991–2020 normals at its Hamilton station, 6.2 km south.
A year in Horning at a glance
Each month’s typical high and low, in °C.
What stands out about Horning’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Horning feels like
Each season’s and each month’s usual high and low, 1991–2020.
Frost on 139 days, 20°C on 123
From October to May frost is routine, and in January it comes on almost every night. Heat of 30°C or more comes on about 13 days a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
902 mm of precipitation in a typical year
July brings the most rain and snow; February, the least. On about 114 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
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), 57 km away.
Heating a home in Horning
92% 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. Homes here need less heating than 77% of Canadian towns.
Living with Horning’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Plant out after about 1 May; the first frost of autumn usually arrives near 12 October, leaving roughly 164 days without frost.
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 →On some 20 days a year the wind chill drops past −20; mitts and a scarf earn their place.
Roughly 59 days a year feel hotter than 30 once humidity is counted.
Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Horning’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 | 6.2 km south |
| Station altitude | 238 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Snowfall from | Toronto Pearson (Airport), 57 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, 14 km |
How Horning 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 Horning’s own would show the same figures). No closer places have figures: these lie 7–32 km from Horning.
Horning weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| 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
Two years in three, January’s average falls within 3.0°C of its normal of −5.3°C; June keeps to within 1.1°C.
Where Horning’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Hamilton, its nearest location with complete temperatures.
- Other locations: a location missing months of precipitation or snow is filled from the nearest that has them all, never mixed month by month.
- Comparisons: a pool of Canadian towns and neighbourhoods of 2,500 or more, read alike; whole cities and reserves stay out of it.
- 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 Horning’s climate
How warm does Horning get in summer?
Peak warmth comes in July, at about 26.6°C by mid-afternoon.
How cold does Horning get in winter?
A typical February night falls to −9.2°C, the year’s low point.
How much rain and snow does Horning get?
Rain and snow, with snow counted as water, total 902 mm a year; July leads with 98 mm and February trails with 53 mm.
How long does snow stay on the ground?
Around 82 days a year see 1 cm of snow or more lying.
Are these figures for Horning itself?
Almost: ECCC’s Hamilton location, which gives these figures, lies a short way outside Horning.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Horning →
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).