Photo: cate cuerden from Stratford, Canada · CC BY 2.0January in Bayfield stays gentler than in 83% of Canadian towns
On a normal July day the thermometer tops out near 24.4°C. Temperatures cover 32°C across the year, low to high. Its July afternoons stay fresher than in 67% of Canadian towns. Comfortable outdoor weather lasts from June to September, with highs of 21–24°C.
Bayfield has no ECCC normals station of its own: every figure here comes from Goderich, 37 km north.
A year in Bayfield at a glance
Each month’s typical high and low, in °C.
What stands out about Bayfield’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Bayfield feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 134 frosts and 109 warm days a year
From October to May frost is routine, and in January it comes on almost every night. About 4 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
966 mm of precipitation in a typical year
The most falls in November, the least in February. About 132 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Goderich publishes no full year of precipitation or snowfall, so these figures, and the snow below, come from Strathroy-Mullifarry, 55 km away.
About 152 cm of snow a year
The snow season runs October to April; January brings the most, about 43 cm.
Snowfall by month
Centimetres
Heating a home in Bayfield
90% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
Heating degree days total each day’s gap between its mean temperature and 18°C. By this count, homes here need less heating than 76% of Canadian towns.
Living with Bayfield’s climate
What the normals mean for a garden, a day outside and the depth of winter.
For long days outdoors, Jun, Jul, Aug and Sep bring highs of 17–27°C and lows of 8°C or more.
Parks & trails →About 17 days a year bring a wind chill under −20, when bare skin chills fast.
On some 44 days a year the humidex climbs past 30.
Bad-weather days, from blizzards to floods, get their own page for Bayfield: the hazards page.
Flood & hazards →ECCC’s normals location: Goderich
Goderich is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 37 km north |
| Station altitude | 214 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Precipitation from | Strathroy-Mullifarry, 55 km |
| Coldest reading, 1991–2020 | −31.1°C |
| Hottest reading, 1991–2020 | 34.4°C |
| Average wind | 16.8 km/h on average, most often from the south |
| Next-nearest location | Strathroy-Mullifarry, 55 km |
How Bayfield 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
The nearest places on a normals location of their own: those that share Bayfield’s would only repeat its figures. Distances here run 16–36 km: that is how far the nearest places with figures are from Bayfield.
Bayfield weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −1.3°C | −7.8°C | −4.6°C | 81 mm | 43 cm |
| February | −0.6°C | −8.0°C | −4.3°C | 62 mm | 32 cm |
| March | 3.8°C | −4.4°C | −0.3°C | 66 mm | 20 cm |
| April | 10.6°C | 1.1°C | 5.9°C | 88 mm | 5 cm |
| May | 17.4°C | 7.1°C | 12.3°C | 84 mm | under 1 cm |
| June | 22.4°C | 12.4°C | 17.4°C | 86 mm | 0 cm |
| July | 24.4°C | 14.8°C | 19.6°C | 78 mm | 0 cm |
| August | 24.0°C | 14.5°C | 19.3°C | 81 mm | 0 cm |
| September | 21.0°C | 11.2°C | 16.1°C | 88 mm | 0 cm |
| October | 14.3°C | 6.0°C | 10.2°C | 84 mm | 2 cm |
| November | 7.3°C | 0.8°C | 4.1°C | 90 mm | 13 cm |
| December | 1.7°C | −3.9°C | −1.1°C | 79 mm | 37 cm |
| Year | 12.1°C | 3.7°C | 7.9°C | 966 mm | 152 cm |
February varies most from one year to the next (3.0°C), August least
The thirty-year records stretch furthest in March: a low of −25.5°C in 2003 and a high of 25.1°C in 2012.
Where Bayfield’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at Goderich (the closest location with all twelve months of temperatures).
- Other locations: where a location publishes no full year of precipitation or snowfall, the nearest one that does supplies it, named beside those figures.
- Comparisons: every Canadian town and neighbourhood of 2,500 or more, each read from its own nearest location; city totals and reserves are left out.
- 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 Bayfield’s climate
How warm does Bayfield get in summer?
Highs reach 24.4°C on an average July day; no month is warmer.
How cold does Bayfield get in winter?
Of all twelve months, February has the coldest nights, about −8.0°C.
How much rain and snow does Bayfield get?
Rain and snow, with snow counted as water, total 966 mm a year; November leads with 90 mm and February trails with 62 mm.
Are these figures for Bayfield itself?
Not directly: Bayfield has no ECCC normals of its own, and Goderich stands in for it.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Bayfield →
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).