Photo: Steven.Pigeon · Public domainSummer afternoons in Oka are warmer than in 78% of Canadian towns
In January the night’s low is typically −13.5°C. Of all months, October brings the most precipitation and February the least. By precipitation alone, it ranks wetter than 74% of Canadian towns. Have the furnace checked before October to April, the months that average under 10°C.
Oka has no ECCC normals station of its own: every figure here comes from Montréal Trudeau (Airport), 25 km east.
A year in Oka at a glance
Each month’s typical high and low, in °C.
What stands out about Oka’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Oka feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 146 frosts and 121 warm days a year
Frost comes from October to April; in January almost every night freezes. Some 12 nights a year drop under −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
Rain and melted snow: about 1,041 mm a year
Some 122 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 217 cm in a normal year
Snow falls from October to April, most of all in January (about 52 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Oka
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
One degree below 18°C for one day makes one heating degree day; the year’s days are added together. Over a year, a home here needs less heating than 62% of Canadian towns.
Living with Oka’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
The growing season between frosts lasts about 167 days, roughly 29 April to 14 October.
The outdoor season by the averages is May, Jun, Jul, Aug and Sep, with highs of 17–27°C and lows of 8°C or more.
Parks & trails →Roughly 40 days a year feel colder than −20 in the wind.
Humid heat, a humidex over 30, comes on about 50 days a year.
Storms, floods and heat waves sit outside these normals; Oka’s hazards page covers them.
Flood & hazards →ECCC’s normals location: Montréal Trudeau (Airport)
ECCC builds the Montréal Trudeau (Airport) normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 25 km east |
| Station altitude | 36 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −31.8°C |
| Hottest reading, 1991–2020 | 36.6°C |
| Average wind | 15.4 km/h on average, most often from the west |
| Next-nearest location | Lachute, 28 km |
How Oka 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 Quebec.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Oka’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Oka Montréal Trudeau (Airport) | 26.7°C | −13.5°C | 1,041 mm |
| Kanesatake 3.7 km · Lachute | 26.5°C about the same | −14.7°C 1.2°C colder | 1,178 mm |
| Saint-Joseph-du-Lac 6.7 km · Montréal Trudeau (Airport) | 26.7°C about the same | −13.5°C about the same | 1,041 mm |
Oka 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 | −5.0°C | −13.5°C | −9.2°C | 86 mm | 52 cm |
| February | −3.4°C | −12.4°C | −8.0°C | 66 mm | 47 cm |
| March | 2.4°C | −6.5°C | −2.0°C | 77 mm | 37 cm |
| April | 11.3°C | 1.1°C | 6.2°C | 90 mm | 15 cm |
| May | 19.4°C | 8.3°C | 13.9°C | 86 mm | 0 cm |
| June | 24.2°C | 13.8°C | 19.0°C | 84 mm | 0 cm |
| July | 26.7°C | 16.7°C | 21.7°C | 91 mm | 0 cm |
| August | 25.7°C | 15.6°C | 20.6°C | 94 mm | 0 cm |
| September | 21.1°C | 10.9°C | 16.0°C | 89 mm | 0 cm |
| October | 13.2°C | 4.5°C | 8.9°C | 103 mm | 1 cm |
| November | 6.1°C | −1.7°C | 2.3°C | 84 mm | 16 cm |
| December | −1.2°C | −8.7°C | −5.0°C | 92 mm | 48 cm |
| Year | 11.7°C | 2.3°C | 7.0°C | 1,041 mm | 217 cm |
Two years in three, January’s average lands within 3.0°C of normal, against the steadier June
March has the widest record range, −26.9°C in 1992 to 25.8°C in 2012; the tick on each bar is the month’s normal.
Where Oka’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Montréal Trudeau (Airport) from ECCC’s climate data site, the nearest location with every month of temperature.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- Not on this page: sunshine, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Oka’s climate
How warm does Oka get in summer?
Afternoons average 26.7°C in July, the warmest time of year.
How cold does Oka get in winter?
January nights average −13.5°C, the coldest of the year.
How much rain and snow does Oka get?
A normal year brings 1,041 mm, snow included as water: October is wettest at 103 mm, February driest at 66 mm.
How long does snow stay on the ground?
There is 1 cm of snow or more on the ground on roughly 101 days a year.
Are these figures for Oka itself?
They are borrowed from Montréal Trudeau (Airport), the nearest place to Oka where ECCC publishes 1991–2020 normals.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Oka →
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).