Afternoon heat in Lowertown West beats that of 78% of Canadian towns
Midwinter brings lows of about −14.0°C. Rain and snow together come to more here than on 60% of Canadian towns. From frozen January to warm July, readings climb 41°C. An umbrella or a shovel earns its place on about 120 days a year with 1 mm or more.
1991–2020 normals from ECCC’s Ottawa (City) location, 6.1 km south.
A year in Lowertown West at a glance
Each month’s typical high and low, in °C.
What stands out about Lowertown West’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Lowertown West feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on 147 days, 20°C on 121
The frost season runs October to April, and January freezes nearly 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
938 mm of precipitation in a typical year
June is the wettest month and February the driest.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 185 cm in a normal year
The snow season runs October to April; January brings the most, about 45 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Lowertown West
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 Lowertown West’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Between the last frost, near 30 April, and the first, near 6 October, lie about 158 frost-free days.
Afternoons of 17–27°C and nights of at least 8°C arrive in May, Jun, Jul, Aug and Sep.
Parks & trails →Bitter wind chill, under −20, comes on about 39 days a year.
On some 50 days a year the humidex climbs past 30.
A normal year has no blizzard, flood or heat wave in it; Lowertown West’s hazards page looks at those.
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 | 6.1 km south |
| 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), 12 km |
How Lowertown West 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
The nearest places on a normals location of their own: those that share Lowertown West’s would only repeat its figures. No closer places have figures: these lie 15–25 km from Lowertown West.
Lowertown West 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 | −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 |
A January here can run warm or cold, its average moving by about 3.1°C; the steadiest month is June
Over 1991–2020, March saw both −28.5°C (2003) and 26.5°C (2012), the widest span of any month.
Where Lowertown West’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Ottawa (City) from ECCC’s climate data site, the nearest location with every month of temperature.
- 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: 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 Lowertown West’s climate
How warm does Lowertown West get in summer?
July is the warmest month, with average highs of 26.7°C.
How cold does Lowertown West get in winter?
Midwinter means January, when a typical night reaches −14.0°C.
How much rain and snow does Lowertown West get?
938 mm a year counting snow as water. The wettest month is June (95 mm); the driest, February (52 mm).
How long does snow stay on the ground?
Snow cover of 1 cm or more lasts about 115 days in a typical year.
Are these figures for Lowertown West itself?
Almost: ECCC’s Ottawa (City) location, which gives these figures, lies a short way outside Lowertown West.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Lowertown West →
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).