Precipitation in Bienville tops that of 74% of Canadian towns: 1,041 mm a year
High summer brings afternoon highs near 26.6°C. Seasons differ by 40°C, from the coldest nights to the warmest afternoons. Summer afternoons here are warmer than in 70% of Canadian towns. Plan for rain or snow on about 122 days a year, the days with 1 mm or more.
These are not Bienville’s own readings: ECCC keeps no normals there, so the page uses L'Acadie, 20 km south.
A year in Bienville at a glance
Each month’s typical high and low, in °C.
What stands out about Bienville’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Bienville feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 149 days, 20°C on 124
Frost comes from October to April; in January almost every night freezes. Some 15 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
The most falls in October, the least in February.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Precipitation and snowfall: Montréal Trudeau (Airport), 29 km away (L'Acadie records no complete year of either).
About 217 cm of snow a year
The snow season runs October to April; January brings the most, about 52 cm.
Snowfall by month
Centimetres
Heating a home in Bienville
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
A heating degree day is one degree of shortfall below 18°C for one day, summed over the year.
Living with Bienville’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jun, Jul, Aug and Sep.
Parks & trails →A wind chill below −20 is part of about 36 days a year here.
Count on some 50 humid days a year with the humidex past 30.
The normals describe a typical year, not its worst days; the hazards page covers Bienville’s.
Flood & hazards →ECCC’s normals location: L'Acadie
L'Acadie is one of the 450 places where ECCC publishes 1991–2020 normals.
| Distance from the town | 20 km south |
| Station altitude | 44 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Precipitation from | Montréal Trudeau (Airport), 29 km |
| Coldest reading, 1991–2020 | −32.5°C |
| Hottest reading, 1991–2020 | 36.1°C |
| Average wind | 11.4 km/h on average, most often from the west |
| Next-nearest location | Montréal Trudeau (Airport), 29 km |
How Bienville 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
Nearby places read from a different ECCC location (places on Bienville’s own would show the same figures). No closer places have figures: these lie 8–16 km from Bienville.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Bienville L'Acadie | 26.6°C | −13.6°C | 1,041 mm |
| Longueuil 8.2 km · Montréal Trudeau (Airport) | 26.7°C about the same | −13.5°C about the same | 1,041 mm |
| Sainte-Julie 14 km · L'Assomption | 26.6°C about the same | −16.0°C 2.4°C colder | 1,041 mm |
Bienville weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −4.3°C | −13.6°C | −9.0°C | 86 mm | 52 cm |
| February | −2.9°C | −12.7°C | −7.8°C | 66 mm | 47 cm |
| March | 2.6°C | −6.7°C | −2.1°C | 77 mm | 37 cm |
| April | 11.1°C | 0.7°C | 5.9°C | 90 mm | 15 cm |
| May | 19.5°C | 7.8°C | 13.7°C | 86 mm | 0 cm |
| June | 24.2°C | 13.2°C | 18.7°C | 84 mm | 0 cm |
| July | 26.6°C | 15.5°C | 21.1°C | 91 mm | 0 cm |
| August | 25.3°C | 13.9°C | 19.6°C | 94 mm | 0 cm |
| September | 21.4°C | 9.7°C | 15.6°C | 89 mm | 0 cm |
| October | 13.6°C | 4.1°C | 8.9°C | 103 mm | 1 cm |
| November | 6.1°C | −1.7°C | 2.2°C | 84 mm | 16 cm |
| December | −0.7°C | −8.6°C | −4.7°C | 92 mm | 48 cm |
| Year | 11.9°C | 1.8°C | 6.8°C | 1,041 mm | 217 cm |
January varies most from one year to the next (2.9°C), August least
Each bar spans a month’s coldest and warmest readings over thirty years; March’s run from −28.7°C in 2003 to 25.4°C in 2012.
Where Bienville’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the Canadian Climate Normals, 1991–2020, at L'Acadie (the closest location with all twelve months of temperatures).
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- Comparisons: every Canadian town and neighbourhood of 2,500 or more, each read from its own nearest location; city totals and reserves are left out.
- 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 Bienville’s climate
How warm does Bienville get in summer?
Peak warmth comes in July, at about 26.6°C by mid-afternoon.
How cold does Bienville get in winter?
Overnight lows average −13.6°C in January, the coldest month.
How much rain and snow does Bienville get?
The year adds up to 1,041 mm. October is the peak month (103 mm) and February the low one (66 mm).
Are these figures for Bienville itself?
The figures are ECCC’s for L'Acadie; Bienville has no normals station.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Bienville →
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).