Afternoon heat in Brookside - Briarbrook - Morgans Grant beats that of 78% of Canadian towns
The coldest hours of a January night bottom out at −14.0°C on average. The gap between a January night and a July afternoon is 41°C. Counting rain and snow together, it is wetter than 60% of Canadian towns. The heating season runs October to April: each of those months averages under 10°C.
Figures: ECCC’s 1991–2020 normals for Ottawa (City) (17 km east).
A year in Brookside - Briarbrook - Morgans Grant at a glance
Each month’s typical high and low, in °C.
What stands out about Brookside - Briarbrook - Morgans Grant’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Brookside - Briarbrook - Morgans Grant feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 147 frosts and 121 warm days a year
From October to April frost is routine, and in January it comes on almost every night. Deep cold, under −20°C, comes on about 15 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 938 mm of rain and snow a year
The most falls in June, the least in February. About 120 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 185 cm in a normal year
Snow falls from October to April, most of all in January (about 45 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Brookside - Briarbrook - Morgans Grant
93% 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.
Living with Brookside - Briarbrook - Morgans Grant’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Between the last frost, near 30 April, and the first, near 6 October, lie about 158 frost-free days.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark May, Jun, Jul, Aug and Sep.
Parks & trails →Plan for about 39 days a year with a wind chill below −20.
About 50 days a year feel above 30 on the humidex.
Storms, floods and heat waves sit outside these normals; Brookside - Briarbrook - Morgans Grant’s hazards page covers them.
Flood & hazards →ECCC’s normals location: Ottawa (City)
Behind the 1991–2020 normals for Ottawa (City) are 2 stations, which ECCC combines into one record.
| Distance from the town | 17 km east |
| Station altitude | 79 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | Yes |
| Coldest reading, 1991–2020 | −32.2°C |
| Hottest reading, 1991–2020 | 37.3°C |
| Average wind | 11.5 km/h on average, most often from the west |
| Next-nearest location | Ottawa (Airport), 21 km |
How Brookside - Briarbrook - Morgans Grant compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Ontario.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Brookside - Briarbrook - Morgans Grant’s own would show the same figures). No closer places have figures: these lie 16–29 km from Brookside - Briarbrook - Morgans Grant.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Brookside - Briarbrook - Morgans Grant Ottawa (City) | 26.7°C | −14.0°C | 938 mm |
| Pontiac 16 km · Luskville | 26.9°C about the same | −16.0°C 2.0°C colder | 968 mm |
| Almonte 25 km · Drummond Centre | 27.1°C about the same | −14.2°C about the same | 939 mm |
| Cantley 26 km · Angers | 26.2°C 0.5°C cooler | −16.5°C 2.5°C colder | 938 mm |
Brookside - Briarbrook - Morgans Grant weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −5.2°C | −14.0°C | −9.6°C | 65 mm | 45 cm |
| February | −3.3°C | −12.9°C | −8.1°C | 52 mm | 41 cm |
| March | 2.5°C | −6.9°C | −2.2°C | 62 mm | 31 cm |
| April | 11.2°C | 1.1°C | 6.2°C | 81 mm | 8 cm |
| May | 19.4°C | 8.0°C | 13.8°C | 80 mm | 0 cm |
| June | 24.2°C | 13.3°C | 18.8°C | 95 mm | 0 cm |
| July | 26.7°C | 15.8°C | 21.3°C | 92 mm | 0 cm |
| August | 25.6°C | 14.6°C | 20.1°C | 87 mm | 0 cm |
| September | 21.1°C | 10.1°C | 15.6°C | 87 mm | 0 cm |
| October | 13.3°C | 4.1°C | 8.8°C | 90 mm | 2 cm |
| November | 5.8°C | −1.8°C | 2.0°C | 72 mm | 16 cm |
| December | −1.5°C | −8.7°C | −5.1°C | 74 mm | 43 cm |
| Year | 11.7°C | 1.9°C | 6.8°C | 938 mm | 185 cm |
Two years in three, January’s average lands within 3.1°C of normal, against the steadier June
Bars run from each month’s record low to its record high since 1991. March spans the most, from −28.5°C (2003) to 26.5°C (2012).
Where Brookside - Briarbrook - Morgans Grant’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Ottawa (City), its nearest location with complete temperatures.
- Comparisons: the towns and neighbourhoods of 2,500+ across Canada, each on its nearest normals location, without the city totals or the reserves.
- Not on this page: a sunshine figure (ECCC published none for 1991–2020) and any lapse-rate correction for height, as the town has no elevation here.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Brookside - Briarbrook - Morgans Grant’s climate
How warm does Brookside - Briarbrook - Morgans Grant get in summer?
On a normal day in July the thermometer climbs to 26.7°C, the warmest of the year.
How cold does Brookside - Briarbrook - Morgans Grant get in winter?
At its coldest, in January, the normal low is −14.0°C.
How much rain and snow does Brookside - Briarbrook - Morgans Grant get?
Measured as water, a year brings 938 mm: 95 mm in June, the wettest month, and 52 mm in February, the driest.
How long does snow stay on the ground?
Snow covers the ground, 1 cm or more, on about 115 days a year.
Are these figures for Brookside - Briarbrook - Morgans Grant itself?
They are the normals for Ottawa (City), measured just outside Brookside - Briarbrook - Morgans Grant itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Brookside - Briarbrook - Morgans Grant →
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).