Photo: Veillg1 · CC BY-SA 4.0Precipitation in Hudson tops that of 88% of Canadian towns: 1,178 mm a year
High summer brings afternoon highs near 26.5°C. Winter nights are cold: in January they are colder than in 67% of Canadian towns. Temperatures cover 41°C across the year, low to high. Plan time outside from June to September, when highs sit at 21–27°C.
Hudson has no ECCC normals station of its own: every figure here comes from Lachute, 26 km north-west.
A year in Hudson at a glance
Each month’s typical high and low, in °C.
What stands out about Hudson’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Quebec beside it.
What a year in Hudson feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 159 days, 20°C on 115
From October to May frost is routine, and in January it comes on almost every night. Some 19 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
About 1,178 mm of rain and snow a year
October is the wettest month and February the driest. About 143 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 218 cm of snow a year
From October to April snow is likely; January is the peak, at about 56 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Hudson
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Behind the figure: the degrees each day’s mean falls under 18°C, summed for the year.
Living with Hudson’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
The frost-free stretch runs from about 12 May to about 3 October, some 143 days in a normal year.
Plan time outside for Jun, Jul, Aug and Sep: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →For blizzards, floods and wildfire, turn to Hudson’s hazards page.
Flood & hazards →ECCC’s normals location: Lachute
Lachute is one of the 450 places where ECCC publishes 1991–2020 normals.
| Distance from the town | 26 km north-west |
| Station altitude | 91 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −36.0°C |
| Hottest reading, 1991–2020 | 36.0°C |
| Next-nearest location | Montréal Trudeau (Airport), 31 km |
How Hudson 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
The nearest places on a normals location of their own: those that share Hudson’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Hudson Lachute | 26.5°C | −14.7°C | 1,178 mm |
| Kanesatake 3.8 km · Lachute | 26.5°C about the same | −14.7°C about the same | 1,178 mm |
| Oka 6.8 km · Montréal Trudeau (Airport) | 26.7°C about the same | −13.5°C 1.2°C milder | 1,041 mm |
Hudson weather by month
Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.
| Month | High | Low | Mean | Rain & snow | Snow |
|---|---|---|---|---|---|
| January | −5.5°C | −14.7°C | −10.2°C | 97 mm | 56 cm |
| February | −3.6°C | −13.6°C | −8.3°C | 72 mm | 47 cm |
| March | 2.4°C | −7.2°C | −2.5°C | 74 mm | 34 cm |
| April | 11.0°C | 0.5°C | 5.9°C | 100 mm | 8 cm |
| May | 19.4°C | 7.4°C | 13.3°C | 89 mm | 0 cm |
| June | 24.1°C | 12.6°C | 18.4°C | 111 mm | 0 cm |
| July | 26.5°C | 15.1°C | 20.5°C | 112 mm | 0 cm |
| August | 25.4°C | 14.3°C | 19.8°C | 104 mm | 0 cm |
| September | 20.8°C | 9.9°C | 15.4°C | 114 mm | 0 cm |
| October | 12.8°C | 3.7°C | 8.4°C | 120 mm | 2 cm |
| November | 5.2°C | −2.3°C | 1.6°C | 93 mm | 17 cm |
| December | −1.9°C | −9.5°C | −6.0°C | 94 mm | 53 cm |
| Year | 11.4°C | 1.4°C | 6.4°C | 1,178 mm | 218 cm |
The most changeable month: January, give or take 3.2°C; the steadiest, August
Over 1991–2020, March saw both −30.5°C (2007) and 26.5°C (2012), the widest span of any month.
Where Hudson’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Lachute: the nearest of its locations with every month’s temperatures.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- 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 Hudson’s climate
How warm does Hudson get in summer?
Peak warmth comes in July, at about 26.5°C by mid-afternoon.
How cold does Hudson get in winter?
The year’s coldest nights belong to January, at about −14.7°C.
How much rain and snow does Hudson get?
Precipitation totals 1,178 mm a year, with October the wettest month (120 mm) and February the driest (72 mm).
How long does snow stay on the ground?
About 128 days a year count as snow-covered, with 1 cm or more.
Are these figures for Hudson itself?
No, they come from Lachute; ECCC keeps no 1991–2020 normals in Hudson itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Hudson →
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).