For weather, Fairfield is about as ordinary as Canadian towns get
A typical year brings 851 mm of rain and melted snow, with July afternoons around 26.6°C and January nights around −10.3°C. Some 37°C separates winter nights from summer afternoons. In July, afternoons here are warmer than in 70% of Canadian towns. For walks and days out, the stretch from June to September brings highs of 22–27°C.
Read at Kitchener/Waterloo, 9.1 km east: ECCC’s normals for 1991–2020.
A year in Fairfield at a glance
Each month’s typical high and low, in °C.
What stands out about Fairfield’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Fairfield feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
156 frost days and 122 days above 20°C a year
From October to May frost is routine, and in January it comes on almost every night. Deep cold, under −20°C, comes on about 7 nights a year.
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
July is the wettest month and February the driest. Some 115 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
115 cm of snow in a typical year
From November to April snow is likely; January is the peak, at about 32 cm.
Snowfall by month
Centimetres
Kitchener/Waterloo publishes no full year of snowfall, so these figures come from Toronto Pearson (Airport), 74 km away.
Heating a home in Fairfield
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Measured against 18°C: each day’s shortfall in mean temperature, added over twelve months. Homes here need less heating than 69% of Canadian towns.
Living with Fairfield’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Frost usually lets go around 8 May and returns near 5 October, about 149 days apart.
Plan time outside for Jun, Jul, Aug and Sep: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →Averages smooth over blizzards, ice storms, floods and heat waves; Fairfield’s hazards page covers the risks.
Flood & hazards →ECCC’s normals location: Kitchener/Waterloo
ECCC builds the Kitchener/Waterloo normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 9.1 km east |
| Station altitude | 322 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Toronto Pearson (Airport), 74 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, 22 km |
How Fairfield 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
Places around Fairfield whose figures come from another normals location. The one place listed is 10 km from Fairfield, the nearest with figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Fairfield Kitchener/Waterloo | 26.6°C | −10.3°C | 851 mm |
| Elmira 9.5 km · Elora | 25.4°C 1.2°C cooler | −10.7°C about the same | 851 mm |
Fairfield 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 | −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 varies most from one year to the next (3.1°C), June least
Bars run from each month’s record low to its record high since 1991. March spans the most, from −29.4°C (2003) to 26.5°C (2012).
Where Fairfield’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Kitchener/Waterloo, the nearest location with a full year of temperatures.
- Other locations: ECCC blanks a month that fails its completeness rule, so the precipitation or snowfall here comes from the next location with all twelve months.
- Comparisons: Canadian towns and neighbourhoods of at least 2,500, each placed by its nearest location (city totals and reserves excluded).
- 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 Fairfield’s climate
How warm does Fairfield get in summer?
In July, the warmest month, the typical high is 26.6°C.
How cold does Fairfield get in winter?
The year’s coldest nights belong to January, at about −10.3°C.
How much rain and snow does Fairfield get?
About 851 mm a year, rain and melted snow together. July is the wettest month (96 mm) and February the driest (46 mm).
Are these figures for Fairfield itself?
They are the normals for Kitchener/Waterloo, measured just outside Fairfield itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Fairfield →
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).