Photo: Vintotal · CC BY-SA 3.0Senneterre has some of the coldest winter nights among Canadian towns
July afternoons average 23.8°C. Winter and summer sit 46°C apart. Summers stay cool: July afternoons here are cooler than in 71% of Canadian towns. Wet days, with 1 mm of rain or snow or more, come about 135 times a year.
Senneterre has no ECCC normals station nearby: the figures come from Val-d'Or, 55 km south-west, so read them as the wider area’s climate.
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.
202 frost days and 86 days above 20°C a year
From September to May frost is routine, and in January it comes on almost every night. Some 57 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 868 mm a year
The most falls in September, the least in February. 504th wettest of 513 towns of 2,500+ in Quebec.
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.
Every day colder than 18°C on average adds its gap in degrees to the year’s heating total. By this count, 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.
The frost-free stretch runs from about 31 May to about 16 September, some 107 days in a normal year.
Plan time outside for Jun, Jul and Aug: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →Winter brings about 85 days with a wind chill below −20.
About 19 days a year turn sultry, with the humidex past 30.
Severe weather is a separate story from the averages: see Senneterre’s hazards page.
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 | 55 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, 134 km |
How Senneterre 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
Places around Senneterre whose figures come from another normals location. No closer places have figures: these lie 77–148 km from Senneterre.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Senneterre Val-d'Or | 23.8°C | −22.2°C | 868 mm |
| Lebel-sur-Quévillon 77 km · Matagami | 23.2°C 0.6°C cooler | −23.7°C 1.5°C colder | 868 mm |
| Trécesson 80 km · Rouyn | 23.7°C about the same | −20.1°C 2.1°C milder | 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 |
April has run from −27.1°C to 26.8°C in thirty years
Year to year, January varies most (a standard deviation of 3.5°C around −16.3°C) and July least (1.2°C).
Where Senneterre’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Val-d'Or: the nearest of its locations with every month’s 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?
Peak warmth comes in July, at about 23.8°C by mid-afternoon.
How cold does Senneterre get in winter?
Midwinter means January, when a typical night reaches −22.2°C.
How much rain and snow does Senneterre get?
Some 868 mm falls in a year. Most of it comes in September (102 mm), the least in February (42 mm).
Are these figures for Senneterre itself?
No: they come from Val-d'Or, the nearest ECCC normals location, and far enough away to describe the wider area more than Senneterre.
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).