Summer arrives in force in Highland Creek, hotter than in 91% of Canadian towns
January nights here settle around −10.1°C. Expect the most rain and snow in June and the least in February. Only about 145 nights a year bring a frost, fewer than in 70% of Canadian towns. An umbrella or a shovel earns its place on about 113 days a year with 1 mm or more.
Figures: ECCC’s 1991–2020 normals for Toronto Buttonville (Airport) (17 km north-west).
A year in Highland Creek at a glance
Each month’s typical high and low, in °C.
What stands out about Highland Creek’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Highland Creek feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
145 frost days and 126 days above 20°C a year
The frost season runs October to May, and January freezes nearly every night. On about 6 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
About 862 mm of rain and snow a year
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 146 cm in a normal year
From November to April snow is likely; January is the peak, at about 40 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Highland Creek
93% 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. A house here needs less heating than 74% of Canadian towns.
Living with Highland Creek’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Count on about 161 frost-free days: the last frost averages 3 May, the first 13 October.
Highs of 17–27°C with nights of 8°C or more come in Jun, Aug and Sep.
Parks & trails →About 22 days a year bring a wind chill under −20, when bare skin chills fast.
Plan shade and water for about 55 days a year above 30 on the humidex.
A typical year is calm by definition; Highland Creek’s hazards page covers the exceptions.
Flood & hazards →ECCC’s normals location: Toronto Buttonville (Airport)
Behind the 1991–2020 normals for Toronto Buttonville (Airport) are 3 stations, which ECCC combines into one record.
| Distance from the town | 17 km north-west |
| Station altitude | 198 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −35.2°C |
| Hottest reading, 1991–2020 | 37.8°C |
| Average wind | 12.2 km/h on average, most often from the north |
| Next-nearest location | Toronto (City), 22 km |
How Highland Creek 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 Highland Creek’s would only repeat its figures. Highland Creek has few close neighbours with figures, so the list reaches 8–29 km out.
Highland Creek 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 | −1.7°C | −10.1°C | −6.0°C | 64 mm | 40 cm |
| February | −1.0°C | −10.1°C | −5.6°C | 51 mm | 34 cm |
| March | 4.6°C | −5.0°C | −0.2°C | 52 mm | 20 cm |
| April | 11.8°C | 1.2°C | 6.5°C | 79 mm | 7 cm |
| May | 19.3°C | 7.4°C | 13.4°C | 80 mm | under 1 cm |
| June | 24.6°C | 13.0°C | 18.8°C | 87 mm | 0 cm |
| July | 27.3°C | 15.6°C | 21.5°C | 85 mm | 0 cm |
| August | 26.3°C | 14.8°C | 20.6°C | 72 mm | 0 cm |
| September | 21.9°C | 10.4°C | 16.2°C | 83 mm | 0 cm |
| October | 14.3°C | 4.3°C | 9.4°C | 71 mm | 1 cm |
| November | 7.4°C | −0.8°C | 3.3°C | 77 mm | 12 cm |
| December | 1.5°C | −5.8°C | −2.2°C | 63 mm | 33 cm |
| Year | 13.0°C | 2.9°C | 8.0°C | 862 mm | 146 cm |
From −25.6°C to 26.3°C: March’s coldest and warmest days since 1991
From one year to the next, January’s average typically shifts by 3.1°C around its normal of −6.0°C, the widest of any month, while June’s shifts by 1.2°C.
Where Highland Creek’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Toronto Buttonville (Airport), 1991–2020, chosen as the nearest location with a full temperature record.
- 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 Highland Creek’s climate
How warm does Highland Creek get in summer?
A normal July afternoon tops out at about 27.3°C, the year’s high point.
How cold does Highland Creek get in winter?
Expect nights around −10.1°C in January; no month is colder.
How much rain and snow does Highland Creek get?
Some 862 mm falls in a year. Most of it comes in June (87 mm), the least in February (51 mm).
How long does snow stay on the ground?
Expect snow on the ground, at least 1 cm, for about 76 days a year.
Are these figures for Highland Creek itself?
Close to it: they are ECCC’s 1991–2020 normals for Toronto Buttonville (Airport), just outside Highland Creek’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Highland Creek →
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).