Photo: Jfvoll · CC BY-SA 4.0For weather, Ayr is about as ordinary as Canadian towns get
July afternoons reach 26.6°C on a typical day and January nights drop to −10.3°C; 851 mm of rain and melted snow falls in a year. Summer afternoons here are warmer than in 70% of Canadian towns. The wettest month is July; the driest is February. About 115 days a year bring 1 mm of precipitation or more.
ECCC publishes no normals for Ayr itself; the figures are those of Kitchener/Waterloo, 18 km north.
A year in Ayr at a glance
Each month’s typical high and low, in °C.
What stands out about Ayr’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Ayr feels like
Each season’s and each month’s usual high and low, 1991–2020.
Frost on 156 days, 20°C on 122
Frost comes from October to May; in January almost every night freezes. On about 7 nights a year the air falls below −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
851 mm of precipitation in a typical year
Rain and snow by month
Millimetres
About 115 cm of snow a year
The snow season runs November to April; January brings the most, about 32 cm.
Snowfall by month
Centimetres
ECCC’s Kitchener/Waterloo normals leave snowfall out; the figures here come from Toronto Pearson (Airport), 77 km away.
Heating a home in Ayr
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
The total grows by a degree for every degree a day’s mean sits under 18°C. That means homes here need less heating than 69% of Canadian towns.
Living with Ayr’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Wait until about 8 May to plant out; frost tends to come back around 5 October, about 149 days later.
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 →For blizzards, floods and wildfire, turn to Ayr’s hazards page.
Flood & hazards →ECCC’s normals location: Kitchener/Waterloo
Kitchener/Waterloo is a composite: ECCC joins 3 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 18 km north |
| Station altitude | 322 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Toronto Pearson (Airport), 77 km |
| Coldest reading, 1991–2020 | −34.1°C |
| Hottest reading, 1991–2020 | 36.5°C |
| Average wind | 13.8 km/h on average, most often from the west |
| Next-nearest location | Elora, 39 km |
How Ayr compares
Against the 2,611 Canadian towns and neighbourhoods of 2,500 or more, each read from its own normals location; the dots are the other locations those towns use in Ontario.
Nearby towns’ climate
Places around Ayr whose figures come from another normals location. No closer places have figures: these lie 21–35 km from Ayr.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Ayr Kitchener/Waterloo | 26.6°C | −10.3°C | 851 mm |
| Brantford 21 km · Hamilton | 26.6°C about the same | −9.1°C 1.2°C milder | 902 mm |
| Elmira 29 km · Elora | 25.4°C 1.2°C cooler | −10.7°C about the same | 851 mm |
| Tavistock 32 km · London | 26.6°C about the same | −9.1°C 1.2°C milder | 962 mm |
| Woodstock 32 km · Delhi | 27.5°C 0.9°C warmer | −8.9°C 1.4°C milder | 965 mm |
Ayr weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −2.3°C | −10.3°C | −6.3°C | 66 mm | 32 cm |
| February | −1.4°C | −10.3°C | −5.9°C | 46 mm | 28 cm |
| March | 4.1°C | −5.6°C | −0.8°C | 57 mm | 17 cm |
| April | 11.6°C | 0.1°C | 5.9°C | 81 mm | 5 cm |
| May | 19.0°C | 6.2°C | 12.6°C | 80 mm | under 1 cm |
| June | 24.1°C | 11.5°C | 17.8°C | 81 mm | 0 cm |
| July | 26.6°C | 13.7°C | 20.2°C | 96 mm | 0 cm |
| August | 25.5°C | 12.7°C | 19.1°C | 67 mm | 0 cm |
| September | 21.6°C | 8.7°C | 15.2°C | 75 mm | 0 cm |
| October | 14.1°C | 3.4°C | 8.8°C | 71 mm | under 1 cm |
| November | 6.8°C | −1.6°C | 2.6°C | 75 mm | 9 cm |
| December | 0.7°C | −6.3°C | −2.8°C | 55 mm | 24 cm |
| Year | 12.5°C | 1.9°C | 7.2°C | 851 mm | 115 cm |
February strays furthest from its normal year to year, by 3.1°C; June the least
Over 1991–2020, March saw both −29.4°C (2003) and 26.5°C (2012), the widest span of any month.
Where Ayr’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Kitchener/Waterloo, the closest ECCC location with twelve months of temperature normals.
- 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: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
- Not on this page: sunshine, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Ayr’s climate
How warm does Ayr get in summer?
Expect highs near 26.6°C in July, the hottest month on average.
How cold does Ayr get in winter?
Lows sink to −10.3°C on an average January night.
How much rain and snow does Ayr get?
851 mm a year counting snow as water. The wettest month is July (96 mm); the driest, February (46 mm).
Are these figures for Ayr itself?
They describe Kitchener/Waterloo, the nearest normals location, rather than Ayr itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Ayr →
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).