Neither notably warm, cold, wet nor dry, Forest Hill sits near the middle of Canadian towns
A typical January night drops to −10.3°C and a July afternoon reaches 26.6°C; 851 mm of rain and snow falls in a year. Its July heat outdoes that of 70% of Canadian towns. From frozen January to warm July, readings climb 37°C. Warm coats and heating bills mark the months from October to April, when means dip under 10°C.
Figures: ECCC’s 1991–2020 normals for Kitchener/Waterloo (11 km east).
A year in Forest Hill at a glance
Each month’s typical high and low, in °C.
What stands out about Forest Hill’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Forest Hill 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
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
The most falls in July, the least in February. Some 115 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
About 115 cm of snow a year
Expect snow from November to April, with about 32 cm in January, the snowiest month.
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 Forest Hill
91% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Heating degree days total each day’s gap between its mean temperature and 18°C. In heating terms, homes need less heating than 69% of Canadian towns.
Living with Forest Hill’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Tender plants are usually safe from around 8 May until frost returns near 5 October: about 149 days.
Highs of 17–27°C with nights of 8°C or more come in Jun, Jul, Aug and Sep.
Parks & trails →Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Forest Hill’s hazards page.
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 | 11 km east |
| 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, 26 km |
How Forest Hill 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
The nearest places on a normals location of their own: those that share Forest Hill’s would only repeat its figures. The nearest place to Forest Hill with figures is 13 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Forest Hill Kitchener/Waterloo | 26.6°C | −10.3°C | 851 mm |
| Elmira 13 km · Elora | 25.4°C 1.2°C cooler | −10.7°C about the same | 851 mm |
Forest Hill 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 |
In March, anything from −29.4°C to 26.5°C
Two years in three, February’s average falls within 3.1°C of its normal of −5.9°C; June keeps to within 1.1°C.
Where Forest Hill’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Kitchener/Waterloo, its nearest location with complete temperatures.
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- 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: sunshine (no 1991–2020 normals exist for it) and any altitude adjustment, since there is no elevation for the town itself.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Forest Hill’s climate
How warm does Forest Hill get in summer?
At its warmest, in July, the normal high is 26.6°C.
How cold does Forest Hill get in winter?
On a normal January night the air drops to −10.3°C, the coldest of the year.
How much rain and snow does Forest Hill get?
A normal year brings 851 mm, snow included as water: July is wettest at 96 mm, February driest at 46 mm.
Are these figures for Forest Hill itself?
Close to it: they are ECCC’s 1991–2020 normals for Kitchener/Waterloo, just outside Forest Hill’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Forest Hill →
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).