Photo: Community Archives · CC0Tweed has warmer summer afternoons than 89% of Canadian towns
In January the night’s low is typically −12.4°C. Rain and snow together come to more here than on 67% of Canadian towns. Some 40°C separates winter nights from summer afternoons. Frost comes on about 154 days a year, so leave time to clear the car.
Tweed has no ECCC normals station of its own: every figure here comes from Centreville, 32 km east.
A year in Tweed at a glance
Each month’s typical high and low, in °C.
What stands out about Tweed’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Tweed feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 154 frosts and 124 warm days a year
Frost comes from October to May; in January almost every night freezes. Some 13 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
984 mm of precipitation in a typical year
The most falls in September, 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
Snowfall: about 158 cm in a normal year
Snow falls from October to April, most of all in January (about 45 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Tweed
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
ECCC sums, over the year, how many degrees each day’s average falls short of 18°C. Over a year, a home here needs less heating than 67% of Canadian towns.
Living with Tweed’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
For long days outdoors, Jun, Aug and Sep bring highs of 17–27°C and lows of 8°C or more.
Parks & trails →The normals describe a typical year, not its worst days; the hazards page covers Tweed’s.
Flood & hazards →ECCC’s normals location: Centreville
The page’s figures are ECCC’s 1991–2020 normals for Centreville, one of its 450 normals locations.
| Distance from the town | 32 km east |
| Station altitude | 150 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −37.0°C |
| Hottest reading, 1991–2020 | 37.5°C |
| Next-nearest location | Trenton, 45 km |
How Tweed 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 Ontario.
Nearby towns’ climate
Places around Tweed whose figures come from another normals location. Tweed has no close neighbour with figures; the nearest is 12 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Tweed Centreville | 27.2°C | −12.4°C | 984 mm |
| Centre Hastings 12 km · Trenton | 26.5°C 0.7°C cooler | −11.2°C 1.2°C milder | 941 mm |
Tweed 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 | −2.9°C | −12.4°C | −7.7°C | 86 mm | 45 cm |
| February | −1.4°C | −11.6°C | −6.5°C | 61 mm | 34 cm |
| March | 4.1°C | −6.3°C | −1.4°C | 65 mm | 24 cm |
| April | 11.9°C | 0.8°C | 6.3°C | 88 mm | 7 cm |
| May | 19.6°C | 7.2°C | 13.4°C | 84 mm | under 1 cm |
| June | 24.4°C | 12.2°C | 18.4°C | 90 mm | 0 cm |
| July | 27.2°C | 14.9°C | 21.1°C | 68 mm | 0 cm |
| August | 26.2°C | 13.9°C | 20.1°C | 75 mm | 0 cm |
| September | 21.9°C | 9.9°C | 15.9°C | 100 mm | 0 cm |
| October | 14.1°C | 3.9°C | 9.0°C | 96 mm | 1 cm |
| November | 6.9°C | −1.7°C | 2.6°C | 88 mm | 12 cm |
| December | 0.4°C | −7.5°C | −3.6°C | 83 mm | 35 cm |
| Year | 12.7°C | 1.9°C | 7.3°C | 984 mm | 158 cm |
Two years in three, January’s average lands within 3.1°C of normal, against the steadier June
Bars run from each month’s record low to its record high since 1991. March spans the most, from −28.0°C (2003) to 27.5°C (2012).
Where Tweed’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Centreville from ECCC’s climate data site, the nearest location with every month of temperature.
- Comparisons: the 2,500-plus towns and neighbourhoods of Canada, each read from its closest normals location; whole cities and reserves aren’t counted.
- Not on this page: sunshine, which none of ECCC’s 450 locations publishes for 1991–2020, and the town’s own height above sea level, so no figure is adjusted for altitude.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Tweed’s climate
How warm does Tweed get in summer?
Peak warmth comes in July, at about 27.2°C by mid-afternoon.
How cold does Tweed get in winter?
A typical January night falls to −12.4°C, the year’s low point.
How much rain and snow does Tweed get?
Over twelve months, rain and melted snow come to 984 mm; the range runs from 61 mm in February to 100 mm in September.
Are these figures for Tweed itself?
They describe Centreville, the nearest normals location, rather than Tweed itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Tweed →
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).