Ice rarely forms: Brookhaven-Amesbury sees fewer frosts than 89% of Canadian towns
Sunny July days climb to about 27.0°C. In July, afternoons here are warmer than in 86% of Canadian towns. A year here swings 34°C from midwinter lows to midsummer highs. The heating season runs November to April: each of those months averages under 10°C.
1991–2020 normals from ECCC’s Toronto (City) location, 8.2 km south-east.
A year in Brookhaven-Amesbury at a glance
Each month’s typical high and low, in °C.
What stands out about Brookhaven-Amesbury’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Brookhaven-Amesbury feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
101 frost days and 124 days above 20°C a year
Frost comes from November to April, most of all in January (about 26 nights). Heat of 30°C or more comes on about 14 days a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 823 mm of rain and snow a year
The most falls in June, the least in March. Some 104 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
Snowfall: Toronto Pearson (Airport), 11 km away (Toronto (City) records no complete year of it).
Heating a home in Brookhaven-Amesbury
94% of a year’s heating need falls between October and April. Months averaging under 10°C: November to April.
Every day colder than 18°C on average adds its gap in degrees to the year’s heating total. That means homes here need less heating than 90% of Canadian towns.
Living with Brookhaven-Amesbury’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
From about 11 April to 6 November the garden is usually clear of frost, some 208 days.
Afternoons of 17–27°C and nights of at least 8°C arrive in May, Jun, Jul, Aug and Sep.
Parks & trails →Plan shade and water for about 59 days a year above 30 on the humidex.
Severe weather is a separate story from the averages: see Brookhaven-Amesbury’s hazards page.
Flood & hazards →ECCC’s normals location: Toronto (City)
ECCC builds the Toronto (City) normals from 2 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 8.2 km south-east |
| Station altitude | 113 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Toronto Pearson (Airport), 11 km |
| Coldest reading, 1991–2020 | −25.9°C |
| Hottest reading, 1991–2020 | 38.2°C |
| Next-nearest location | Toronto (Island), 11 km |
How Brookhaven-Amesbury 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 Brookhaven-Amesbury’s would only repeat its figures. Distances here run 15–24 km: that is how far the nearest places with figures are from Brookhaven-Amesbury.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Brookhaven-Amesbury Toronto (City) | 27.0°C | −6.7°C | 823 mm |
| Vaughan 15 km · Toronto Buttonville (Airport) | 27.3°C about the same | −10.1°C 3.4°C colder | 862 mm |
| Mississauga 19 km · Toronto Pearson (Airport) | 27.4°C about the same | −8.9°C 2.2°C colder | 807 mm |
Brookhaven-Amesbury 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 | −0.3°C | −6.7°C | −3.5°C | 65 mm | 32 cm |
| February | 0.6°C | −6.0°C | −2.7°C | 54 mm | 28 cm |
| March | 5.1°C | −1.8°C | 1.7°C | 53 mm | 17 cm |
| April | 11.7°C | 3.9°C | 7.8°C | 78 mm | 5 cm |
| May | 18.8°C | 10.0°C | 14.5°C | 76 mm | under 1 cm |
| June | 24.2°C | 15.3°C | 19.8°C | 82 mm | 0 cm |
| July | 27.0°C | 18.1°C | 22.5°C | 77 mm | 0 cm |
| August | 26.1°C | 17.7°C | 21.9°C | 72 mm | 0 cm |
| September | 22.0°C | 13.8°C | 17.9°C | 69 mm | 0 cm |
| October | 14.6°C | 7.7°C | 11.2°C | 69 mm | under 1 cm |
| November | 8.1°C | 2.3°C | 5.2°C | 71 mm | 9 cm |
| December | 2.6°C | −2.7°C | −0.1°C | 58 mm | 24 cm |
| Year | 13.4°C | 6.0°C | 9.7°C | 823 mm | 115 cm |
March has run from −23.1°C to 25.7°C in thirty years
From one year to the next, January’s average typically shifts by 2.7°C around its normal of −3.5°C, the widest of any month, while June’s shifts by 1.2°C.
Where Brookhaven-Amesbury’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the closest ECCC location with twelve months of temperature normals, Toronto (City), 1991–2020.
- 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: Canadian towns and neighbourhoods of at least 2,500, each placed by its nearest location (city totals and reserves excluded).
- Not on this page: sunshine, absent from every 1991–2020 location, and an altitude correction, for want of the town’s own elevation.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Brookhaven-Amesbury’s climate
How warm does Brookhaven-Amesbury get in summer?
Summer peaks in July: a typical afternoon reaches 27.0°C.
How cold does Brookhaven-Amesbury get in winter?
A typical January night falls to −6.7°C, the year’s low point.
How much rain and snow does Brookhaven-Amesbury get?
Around 823 mm a year in all, from 82 mm in June down to 53 mm in March.
Are these figures for Brookhaven-Amesbury itself?
They are the normals for Toronto (City), measured just outside Brookhaven-Amesbury itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Brookhaven-Amesbury →
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).