Photo: Anonymous Unknown author · Public domainNights turn raw in Roberval each January, colder than in 91% of Canadian towns
On a normal July day the thermometer tops out near 23.7°C. The year swings widely: the coldest month’s nights and the warmest month’s afternoons are 45°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 124 times a year.
Measured at Roberval, 3.0 km west: ECCC’s normals for 1991–2020.
A year in Roberval at a glance
Each month’s typical high and low, in °C.
What stands out about Roberval’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Roberval feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 187 frosts and 85 warm days a year
From September to May frost is routine, and in January it comes on almost every night. On about 45 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
911 mm of precipitation in a typical year
July is the wettest month and February the driest.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 271 cm of snow a year
The snow season runs October to May; December brings the most, about 55 cm.
Snowfall by month
Centimetres
Heating a home in Roberval
89% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Every day colder than 18°C on average adds its gap in degrees to the year’s heating total. In heating terms, homes need more heating than 84% of Canadian towns.
Living with Roberval’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
From about 17 May to 2 October the garden is usually clear of frost, some 137 days.
Plan time outside for Jun, Jul and Aug: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →On some 79 days a year the wind chill drops past −20; mitts and a scarf earn their place.
Expect around 22 sticky days a year with the humidex above 30.
Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Roberval’s hazards page.
Flood & hazards →ECCC’s normals location: Roberval
Behind the 1991–2020 normals for Roberval are 3 stations, which ECCC combines into one record.
| Distance from the town | 3.0 km west |
| Station altitude | 179 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −40.0°C |
| Hottest reading, 1991–2020 | 36.5°C |
| Average wind | 13.5 km/h on average, most often from the north-west |
| Next-nearest location | Normandin, 43 km |
How Roberval 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
The nearest places on a normals location of their own: those that share Roberval’s would only repeat its figures. The one place listed is 37 km from Roberval, the nearest with figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Roberval | 23.7°C | −20.8°C | 911 mm |
| La Doré 37 km · Normandin | 23.9°C about the same | −23.4°C 2.6°C colder | 911 mm |
Roberval weather by month
Month by month, 1991–2020: the usual high, low and mean, the rain and snow, and the snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −10.5°C | −20.8°C | −15.7°C | 55 mm | 47 cm |
| February | −8.2°C | −18.8°C | −13.5°C | 45 mm | 44 cm |
| March | −1.2°C | −11.9°C | −6.6°C | 57 mm | 45 cm |
| April | 6.9°C | −3.2°C | 1.9°C | 64 mm | 29 cm |
| May | 16.2°C | 3.8°C | 10.0°C | 71 mm | 4 cm |
| June | 21.6°C | 10.0°C | 15.8°C | 87 mm | 0 cm |
| July | 23.7°C | 13.3°C | 18.5°C | 112 mm | 0 cm |
| August | 22.6°C | 12.2°C | 17.4°C | 104 mm | 0 cm |
| September | 17.7°C | 7.4°C | 12.6°C | 99 mm | under 1 cm |
| October | 9.8°C | 1.3°C | 5.6°C | 81 mm | 8 cm |
| November | 2.3°C | −5.1°C | −1.4°C | 71 mm | 39 cm |
| December | −5.8°C | −14.5°C | −10.2°C | 66 mm | 55 cm |
| Year | 7.9°C | −2.2°C | 2.9°C | 911 mm | 271 cm |
From −33.1°C to 26.2°C: March’s coldest and warmest days since 1991
From one year to the next, February’s average typically shifts by 3.3°C around its normal of −13.5°C, the widest of any month, while August’s shifts by 1.0°C.
Where Roberval’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Roberval, the closest ECCC location with twelve months of temperature normals.
- 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: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Roberval’s climate
How warm does Roberval get in summer?
Peak warmth comes in July, at about 23.7°C by mid-afternoon.
How cold does Roberval get in winter?
A typical January night falls to −20.8°C, the year’s low point.
How much rain and snow does Roberval get?
July is the wettest month at 112 mm and February the driest at 45 mm, for 911 mm over the year.
Are these figures for Roberval itself?
Yes. They were measured in Roberval, at ECCC’s own station there.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Roberval →
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).