Senneterre has some of the coldest winter nights among Canadian towns
Expect July afternoons of about 23.8°C. Precipitation peaks in September and eases off in February. Its July afternoons stay fresher than in 71% of Canadian towns. About 135 days a year bring 1 mm of precipitation or more.
Borrowed figures: Senneterre has no normals station, so these come from Val-d'Or, 41 km south-west.
A year in Senneterre at a glance
Each month’s typical high and low, in °C.
What stands out about Senneterre’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Senneterre feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 202 days, 20°C on 86
The frost season runs September to May, and January freezes nearly every night. On about 57 nights a year the air falls below −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 868 mm a year
Rain and snow by month
Millimetres
Heating a home in Senneterre
88% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
A heating degree day is one degree of shortfall below 18°C for one day, summed over the year. That means homes here need more heating than 98% of Canadian towns.
Living with Senneterre’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Tender plants are usually safe from around 31 May until frost returns near 16 September: about 107 days.
Highs of 17–27°C with nights of 8°C or more come in Jun, Jul and Aug.
Parks & trails →Winter brings about 85 days with a wind chill below −20.
Muggy heat with a humidex over 30 arrives on about 19 days a year.
The normals describe a typical year, not its worst days; the hazards page covers Senneterre’s.
Flood & hazards →ECCC’s normals location: Val-d'Or
Behind the 1991–2020 normals for Val-d'Or are 2 stations, which ECCC combines into one record.
| Distance from the town | 41 km south-west |
| Station altitude | 337 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | No location within 100 km |
| Coldest reading, 1991–2020 | −42.7°C |
| Hottest reading, 1991–2020 | 36.1°C |
| Average wind | 12.5 km/h on average, most often from the south |
| Next-nearest location | Rouyn, 126 km |
How Senneterre 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 Quebec.
Nearby towns’ climate
Places around Senneterre whose figures come from another normals location. No closer places have figures: these lie 78–144 km from Senneterre.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Senneterre Val-d'Or | 23.8°C | −22.2°C | 868 mm |
| Trécesson 78 km · Rouyn | 23.7°C about the same | −20.1°C 2.1°C milder | 868 mm |
| Lebel-sur-Quévillon 91 km · Matagami | 23.2°C 0.6°C cooler | −23.7°C 1.5°C colder | 868 mm |
Senneterre weather by month
Each month’s normals, 1991–2020: high, low, mean and precipitation.
| Month | High | Low | Mean | Rain & snow |
|---|---|---|---|---|
| January | −10.4°C | −22.2°C | −16.3°C | 55 mm |
| February | −8.1°C | −21.2°C | −14.7°C | 42 mm |
| March | −1.6°C | −14.7°C | −8.2°C | 47 mm |
| April | 6.7°C | −5.1°C | 0.8°C | 65 mm |
| May | 16.3°C | 2.7°C | 9.5°C | 69 mm |
| June | 22.0°C | 8.5°C | 15.2°C | 84 mm |
| July | 23.8°C | 11.5°C | 17.7°C | 101 mm |
| August | 22.2°C | 10.3°C | 16.3°C | 93 mm |
| September | 17.3°C | 5.9°C | 11.6°C | 102 mm |
| October | 9.0°C | 0.2°C | 4.6°C | 82 mm |
| November | 0.8°C | −7.2°C | −3.2°C | 75 mm |
| December | −6.3°C | −16.0°C | −11.2°C | 54 mm |
| Year | 7.7°C | −4.0°C | 1.9°C | 868 mm |
January varies most from one year to the next (3.5°C), July least
Each bar spans a month’s coldest and warmest readings over thirty years; April’s run from −27.1°C in 2016 to 26.8°C in 2001.
Where Senneterre’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Val-d'Or, its nearest location with complete temperatures.
- Comparisons: the 2,500-plus towns and neighbourhoods of Canada, each read from its closest normals location; whole cities and reserves aren’t counted.
- Not on this page: a snowfall figure (none within 100 km), sunshine (none for 1991–2020) and 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 Senneterre’s climate
How warm does Senneterre get in summer?
Expect highs near 23.8°C in July, the hottest month on average.
How cold does Senneterre get in winter?
The coldest nights come in January, averaging −22.2°C.
How much rain and snow does Senneterre get?
A normal year brings 868 mm, snow included as water: September is wettest at 102 mm, February driest at 42 mm.
Are these figures for Senneterre itself?
Not directly: Senneterre has no ECCC normals of its own, and Val-d'Or stands in for it.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Senneterre →
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).