Photo: Harfang · CC BY-SA 3.0Summer arrives softly in Bonaventure, cooler than in 94% of Canadian towns
In January the night’s low is typically −14.2°C. Rain or snow is most frequent in October and least in February. By precipitation alone, it ranks wetter than 80% of Canadian towns. Expect about 175 frosty starts a year, days when the air falls to freezing.
These are not Bonaventure’s own readings: ECCC keeps no normals there, so the page uses New Carlisle, 15 km east.
A year in Bonaventure at a glance
Each month’s typical high and low, in °C.
What stands out about Bonaventure’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Bonaventure feels like
Each season’s and each month’s usual high and low, 1991–2020.
Frost on 175 days, 20°C on 70
Frost comes from October to May; in January almost every night freezes. Deep cold, under −20°C, comes on about 12 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
1,095 mm of precipitation in a typical year
Some 133 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
337 cm of snow in a typical year
Expect snow from October to May, with about 71 cm in January, the snowiest month.
Snowfall by month
Centimetres
ECCC’s New Carlisle normals leave snowfall out; the figures here come from Bathurst, 51 km away.
Heating a home in Bonaventure
87% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
Degree days add up how far each day’s mean temperature falls below 18°C over a year. A house here needs more heating than 72% of Canadian towns.
Living with Bonaventure’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
The outdoor season by the averages is Jun, Jul, Aug and Sep, with highs of 17–27°C and lows of 8°C or more.
Parks & trails →Expect around 45 days a year when the wind chill sinks below −20.
About 16 days a year turn sultry, with the humidex past 30.
A typical year is calm by definition; Bonaventure’s hazards page covers the exceptions.
Flood & hazards →ECCC’s normals location: New Carlisle
Behind the 1991–2020 normals for New Carlisle are 2 stations, which ECCC combines into one record.
| Distance from the town | 15 km east |
| Station altitude | 45 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Snowfall from | Bathurst, 51 km |
| Coldest reading, 1991–2020 | −31.0°C |
| Hottest reading, 1991–2020 | 34.1°C |
| Average wind | 12.4 km/h on average, most often from the west |
| Next-nearest location | Bathurst, 51 km |
How Bonaventure 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 Bonaventure’s would only repeat its figures. The nearest places to Bonaventure with figures are 31–40 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Bonaventure New Carlisle | 22.7°C | −14.2°C | 1,095 mm |
| New Richmond 31 km · Charlo | 23.8°C 1.1°C warmer | −16.2°C 2.0°C colder | 1,011 mm |
| Petit-Rocher 35 km · Bathurst | 25.1°C 2.4°C warmer | −16.0°C 1.8°C colder | 1,118 mm |
Bonaventure weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −5.8°C | −14.2°C | −10.1°C | 83 mm | 71 cm |
| February | −4.9°C | −13.8°C | −9.4°C | 71 mm | 69 cm |
| March | 0.1°C | −8.7°C | −4.3°C | 92 mm | 68 cm |
| April | 6.1°C | −2.2°C | 2.0°C | 73 mm | 30 cm |
| May | 13.3°C | 3.3°C | 8.3°C | 90 mm | 2 cm |
| June | 19.1°C | 8.7°C | 13.9°C | 94 mm | 0 cm |
| July | 22.7°C | 12.8°C | 17.8°C | 96 mm | 0 cm |
| August | 22.2°C | 12.4°C | 17.3°C | 83 mm | 0 cm |
| September | 17.8°C | 8.0°C | 12.9°C | 90 mm | 0 cm |
| October | 10.8°C | 2.9°C | 6.9°C | 117 mm | 6 cm |
| November | 4.2°C | −2.4°C | 0.9°C | 101 mm | 22 cm |
| December | −1.9°C | −8.9°C | −5.4°C | 106 mm | 68 cm |
| Year | 8.6°C | −0.2°C | 4.2°C | 1,095 mm | 337 cm |
March has run from −25.0°C to 18.0°C in thirty years
From one year to the next, February’s average typically shifts by 2.5°C around its normal of −9.4°C, the widest of any month, while August’s shifts by 0.9°C.
Where Bonaventure’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for New Carlisle, its nearest location with complete temperatures.
- Other locations: a location missing months of precipitation or snow is filled from the nearest that has them all, never mixed month by month.
- Comparisons: the towns and neighbourhoods of 2,500+ across Canada, each on its nearest normals location, without the city totals or the reserves.
- 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 Bonaventure’s climate
How warm does Bonaventure get in summer?
A normal July afternoon tops out at about 22.7°C, the year’s high point.
How cold does Bonaventure get in winter?
Expect nights around −14.2°C in January; no month is colder.
How much rain and snow does Bonaventure get?
Around 1,095 mm a year in all, from 117 mm in October down to 71 mm in February.
Are these figures for Bonaventure itself?
No, the station behind them is New Carlisle, beyond Bonaventure’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Bonaventure →
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).