Photo: Unknown author Unknown author · Public domainJuly in Welland runs hotter than in 83% of Canadian towns
January mornings start at about −8.0°C. September is the wettest month, February the driest. Winters are mild: January nights here are milder than in 83% of Canadian towns. Frost comes on about 134 days a year, so leave time to clear the car.
Environment and Climate Change Canada’s 1991–2020 normals, measured at Welland-Pelham, 0.3 km west.
A year in Welland at a glance
Each month’s typical high and low, in °C.
What stands out about Welland’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Welland feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 134 frosts and 129 warm days a year
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 10 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 967 mm a year
About 128 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 141 cm in a normal year
The snow season runs November to April; January brings the most, about 44 cm.
Snowfall by month
Centimetres
Heating a home in Welland
93% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
Behind the figure: the degrees each day’s mean falls under 18°C, summed for the year. In heating terms, homes need less heating than 87% of Canadian towns.
Living with Welland’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
About 160 days a year pass without frost, from an average last frost of 6 May to a first of 14 October.
The outdoor season by the averages is Jun, Jul, Aug and Sep, with highs of 17–27°C and lows of 8°C or more.
Parks & trails →For the weather that does damage, from ice storms to floods, see Welland’s hazards page.
Flood & hazards →ECCC’s normals location: Welland-Pelham
Behind the 1991–2020 normals for Welland-Pelham are 2 stations, which ECCC combines into one record.
| Distance from the town | 0.3 km west |
| Station altitude | 175 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −31.9°C |
| Hottest reading, 1991–2020 | 35.5°C |
| Next-nearest location | Vineland, 24 km |
How Welland 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
Places around Welland whose figures come from another normals location. The nearest places to Welland with figures are 20–28 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Welland Welland-Pelham | 26.8°C | −8.0°C | 967 mm |
| St. Catharines 20 km · Vineland | 27.1°C about the same | −6.8°C 1.2°C milder | 838 mm |
| Fort Erie 24 km · Fort Erie | 26.0°C 0.8°C cooler | −7.5°C 0.5°C milder | 1,056 mm |
Welland 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 | −0.1°C | −8.0°C | −4.1°C | 82 mm | 44 cm |
| February | 0.6°C | −8.2°C | −3.8°C | 53 mm | 24 cm |
| March | 5.4°C | −4.0°C | 0.7°C | 70 mm | 28 cm |
| April | 12.5°C | 1.6°C | 7.1°C | 83 mm | 5 cm |
| May | 19.7°C | 7.8°C | 13.7°C | 81 mm | 0 cm |
| June | 24.5°C | 13.5°C | 19.0°C | 86 mm | 0 cm |
| July | 26.8°C | 16.2°C | 21.5°C | 84 mm | 0 cm |
| August | 26.1°C | 15.4°C | 20.7°C | 79 mm | 0 cm |
| September | 22.4°C | 11.5°C | 17.0°C | 96 mm | 0 cm |
| October | 15.4°C | 5.7°C | 10.6°C | 89 mm | under 1 cm |
| November | 8.6°C | 0.4°C | 4.5°C | 84 mm | 9 cm |
| December | 3.0°C | −4.2°C | −0.7°C | 82 mm | 32 cm |
| Year | 13.7°C | 4.0°C | 8.9°C | 967 mm | 141 cm |
The most changeable month: February, give or take 3.1°C; the steadiest, June
Records from 1991 to 2020: no month spans more than February, between −31.9°C (2015) and 20.5°C (2000).
Where Welland’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the closest ECCC location with twelve months of temperature normals, Welland-Pelham, 1991–2020.
- 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 Welland’s climate
How warm does Welland get in summer?
Afternoons average 26.8°C in July, the warmest time of year.
How cold does Welland get in winter?
In February, the coldest month, the typical low is −8.2°C.
How much rain and snow does Welland get?
Around 967 mm a year in all, from 96 mm in September down to 53 mm in February.
Are these figures for Welland itself?
Yes: they are ECCC’s 1991–2020 normals for Welland-Pelham, a location inside Welland.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Welland →
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).