Midwinter lows in Louiseville sink below those of 77% of Canadian towns
Sunny July days climb to about 25.7°C. A year here swings 42°C from midwinter lows to midsummer highs. By precipitation alone, it ranks wetter than 63% of Canadian towns. Long walks are most pleasant from June to September, when afternoons reach 20–26°C.
ECCC publishes no normals for Louiseville itself; the figures are those of Nicolet, 26 km east.
A year in Louiseville at a glance
Each month’s typical high and low, in °C.
What stands out about Louiseville’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Louiseville feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 948 mm of rain and snow a year
The most falls in July, the least in February. About 128 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
213 cm of snow in a typical year
The snow season runs October to April; December brings the most, about 56 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Living with Louiseville’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 →The wind chill passes −20 on about 43 days in a normal year.
Muggy heat with a humidex over 30 arrives on about 45 days a year.
A typical year is calm by definition; Louiseville’s hazards page covers the exceptions.
Flood & hazards →ECCC’s normals location: Nicolet
Nicolet is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 26 km east |
| Station altitude | 30 m |
| Completeness | at least 15 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −40.0°C |
| Hottest reading, 1991–2020 | 35.0°C |
| Average wind | 11.1 km/h on average, most often from the north-east |
| Next-nearest location | Trois-Rivières, 34 km |
How Louiseville 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
Nearby places read from a different ECCC location (places on Louiseville’s own would show the same figures).
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Louiseville Nicolet | 25.7°C | −16.4°C | 948 mm |
| Maskinongé 6.4 km · Nicolet | 25.7°C about the same | −16.4°C about the same | 948 mm |
| Saint-Barnabé 16 km · Trois-Rivières | 25.1°C 0.6°C cooler | −14.1°C 2.3°C milder | 1,101 mm |
Louiseville weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and snowfall.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −6.7°C | −16.4°C | −11.6°C | 70 mm | 49 cm |
| February | −4.8°C | −15.3°C | −10.0°C | 49 mm | 41 cm |
| March | 1.1°C | −8.6°C | −3.7°C | 52 mm | 34 cm |
| April | 9.9°C | −0.2°C | 4.9°C | 82 mm | 12 cm |
| May | 18.9°C | 7.0°C | 12.9°C | 75 mm | under 1 cm |
| June | 23.8°C | 12.3°C | 18.0°C | 95 mm | 0 cm |
| July | 25.7°C | 14.7°C | 20.2°C | 103 mm | 0 cm |
| August | 24.7°C | 13.7°C | 19.2°C | 86 mm | 0 cm |
| September | 20.3°C | 9.2°C | 14.7°C | 95 mm | 0 cm |
| October | 12.6°C | 3.5°C | 8.1°C | 90 mm | 2 cm |
| November | 4.9°C | −2.5°C | 1.2°C | 75 mm | 19 cm |
| December | −2.5°C | −10.3°C | −6.5°C | 76 mm | 56 cm |
| Year | 10.6°C | 0.6°C | 5.6°C | 948 mm | 213 cm |
In March, anything from −32.0°C to 24.5°C
Bars run from each month’s record low to its record high over 1991–2020; January is the month whose average wanders most from year to year (±3.3°C around −11.6°C), June the one that wanders least (±0.8°C).
Where Louiseville’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Nicolet: the nearest of its locations with every month’s temperatures.
- 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 Louiseville’s climate
How warm does Louiseville get in summer?
Highs reach 25.7°C on an average July day; no month is warmer.
How cold does Louiseville get in winter?
Deep winter means January, when nights average −16.4°C.
How much rain and snow does Louiseville get?
Over twelve months, rain and melted snow come to 948 mm; the range runs from 49 mm in February to 103 mm in July.
How long does snow stay on the ground?
Count on about 120 days of snow cover a year, 1 cm or deeper.
Are these figures for Louiseville itself?
Not quite: they come from Nicolet, the closest ECCC normals location to Louiseville.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Louiseville →
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).