July in Tyendinaga runs hotter than in 89% of Canadian towns
The coldest hours of a January night bottom out at −12.4°C on average. Rain and snow together come to more here than on 67% of Canadian towns. Of all months, September brings the most precipitation and February the least. For walks and days out, June, August and September bring highs of 22–26°C.
Tyendinaga has no ECCC normals station of its own: every figure here comes from Centreville, 25 km north-east.
A year in Tyendinaga at a glance
Each month’s typical high and low, in °C.
What stands out about Tyendinaga’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Ontario beside it.
What a year in Tyendinaga feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
154 frost days and 124 days above 20°C a year
From October to May frost is routine, and in January it comes on almost every night. Deep cold, under −20°C, comes on about 13 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 984 mm of rain and snow a year
Some 128 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 158 cm in a normal year
From October to April snow is likely; January is the peak, at about 45 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Tyendinaga
93% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Think of it as a year’s worth of daily shortfalls below 18°C, added up. Over a year, a home here needs less heating than 67% of Canadian towns.
Living with Tyendinaga’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Plan time outside for Jun, Aug and Sep: highs of 17–27°C and nights no colder than 8°C.
Parks & trails →Severe weather is a separate story from the averages: see Tyendinaga’s hazards page.
Flood & hazards →ECCC’s normals location: Centreville
Centreville is one of the 450 places where ECCC publishes 1991–2020 normals.
| Distance from the town | 25 km north-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, 34 km |
How Tyendinaga 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 Ontario.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Tyendinaga’s own would show the same figures). The one place listed is 12 km from Tyendinaga, the nearest with figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Tyendinaga Centreville | 27.2°C | −12.4°C | 984 mm |
| Tyendinaga Mohawk Territory 12 km · Trenton | 26.5°C 0.7°C cooler | −11.2°C 1.2°C milder | 941 mm |
Tyendinaga 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 |
The month with the widest range: March, −28.0°C to 27.5°C
Two years in three, January’s average falls within 3.1°C of its normal of −7.7°C; June keeps to within 1.1°C.
Where Tyendinaga’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the closest ECCC location with twelve months of temperature normals, Centreville, 1991–2020.
- Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
- 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 Tyendinaga’s climate
How warm does Tyendinaga get in summer?
July is the warmest month, with average highs of 27.2°C.
How cold does Tyendinaga get in winter?
The coldest nights come in January, averaging −12.4°C.
How much rain and snow does Tyendinaga get?
About 984 mm a year, rain and melted snow together. September is the wettest month (100 mm) and February the driest (61 mm).
Are these figures for Tyendinaga itself?
Not exactly. Tyendinaga lacks a normals station, so Centreville supplies the figures.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Tyendinaga →
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).