Photo: Edwin Lester Brittain · CC BY-SA 4.0Summer afternoons in Pontiac are warmer than in 83% of Canadian towns
The coldest hours of a January night bottom out at −16.0°C on average. Rain or snow is most frequent in June and least in February. Winter nights are cold: in January they are colder than in 75% of Canadian towns. Wet days, with 1 mm of rain or snow or more, come about 137 times a year.
Figures: ECCC’s 1991–2020 normals at Luskville (6.0 km north-west).
A year in Pontiac at a glance
Each month’s typical high and low, in °C.
What stands out about Pontiac’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Pontiac feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 170 frosts and 119 warm days a year
Frost comes from September to May; in January almost every night freezes. Deep cold, under −20°C, comes on about 27 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 968 mm of rain and snow a year
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 193 cm in a normal year
Expect snow from October to April, with about 53 cm in January, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Pontiac
92% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Think of it as a year’s worth of daily shortfalls below 18°C, added up.
Living with Pontiac’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
A normal year gives the garden about 124 frost-free days, roughly 20 May to 22 September.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul, Aug and Sep.
Parks & trails →For blizzards, floods and wildfire, turn to Pontiac’s hazards page.
Flood & hazards →ECCC’s normals location: Luskville
Luskville is one of the 450 places where ECCC publishes 1991–2020 normals.
| Distance from the town | 6.0 km north-west |
| Station altitude | 69 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | Yes |
| Coldest reading, 1991–2020 | −40.0°C |
| Hottest reading, 1991–2020 | 36.4°C |
| Next-nearest location | Ottawa (City), 25 km |
How Pontiac compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Quebec.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Pontiac’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Pontiac Luskville | 26.9°C | −16.0°C | 968 mm |
| Dunrobin 7.4 km · Luskville | 26.9°C about the same | −16.0°C about the same | 968 mm |
| Des Explorateurs 14 km · Ottawa (City) | 26.7°C about the same | −14.0°C 2.0°C milder | 938 mm |
Pontiac 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 | −5.4°C | −16.0°C | −10.9°C | 77 mm | 53 cm |
| February | −3.2°C | −15.3°C | −9.2°C | 63 mm | 43 cm |
| March | 2.6°C | −8.4°C | −3.0°C | 63 mm | 31 cm |
| April | 11.3°C | −0.2°C | 5.7°C | 74 mm | 6 cm |
| May | 19.8°C | 6.4°C | 13.1°C | 79 mm | 0 cm |
| June | 24.5°C | 11.6°C | 18.1°C | 99 mm | 0 cm |
| July | 26.9°C | 13.9°C | 20.2°C | 97 mm | 0 cm |
| August | 25.7°C | 12.8°C | 19.2°C | 96 mm | 0 cm |
| September | 21.2°C | 8.6°C | 14.9°C | 87 mm | 1 cm |
| October | 13.3°C | 2.8°C | 8.1°C | 84 mm | 1 cm |
| November | 5.6°C | −3.1°C | 1.4°C | 74 mm | 16 cm |
| December | −1.8°C | −10.5°C | −6.3°C | 76 mm | 43 cm |
| Year | 11.7°C | 0.2°C | 5.9°C | 968 mm | 193 cm |
In March, anything from −34.0°C to 28.0°C
January is the least predictable month: about two years in three its average lands within 3.5°C of the normal, −10.9°C. August is the steadiest, within 1.1°C.
Where Pontiac’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Luskville, 1991–2020, chosen as the nearest location with a full temperature record.
- 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, 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 Pontiac’s climate
How warm does Pontiac get in summer?
In July, the warmest month, the typical high is 26.9°C.
How cold does Pontiac get in winter?
A typical January night falls to −16.0°C, the year’s low point.
How much rain and snow does Pontiac get?
About 968 mm a year, rain and melted snow together. June is the wettest month (99 mm) and February the driest (63 mm).
How long does snow stay on the ground?
Around 108 days a year see 1 cm of snow or more lying.
Are these figures for Pontiac itself?
Yes: they are ECCC’s 1991–2020 normals for Luskville, a location inside Pontiac.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Pontiac →
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).