Dry weather: only 423 mm of rain and snow a year falls on Terwillegar Towne, less than on 90% of Canadian towns
The depth of winter brings overnight lows near −14.7°C. Expect the most rain and snow in July and the least in February. By July afternoons alone, it runs cooler than 80% of Canadian towns. Warm coats and heating bills mark the months from October to April, when means dip under 10°C.
Read at Edmonton (City), 14 km north: ECCC’s normals for 1991–2020.
A year in Terwillegar Towne at a glance
Each month’s typical high and low, in °C.
What stands out about Terwillegar Towne’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Alberta beside it.
What a year in Terwillegar Towne feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 179 frosts and 90 warm days a year
From September to May frost is routine, and in January it comes on almost every night. Deep cold, under −20°C, comes on about 24 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 423 mm of rain and snow a year
On about 72 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 124 cm in a normal year
From October to May snow is likely; January is the peak, at about 26 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Terwillegar Towne
89% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Measured against 18°C: each day’s shortfall in mean temperature, added over twelve months. By this count, homes here need more heating than 76% of Canadian towns.
Living with Terwillegar Towne’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Frost usually lets go around 7 May and returns near 25 September, about 141 days apart.
The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: Jun, Jul and Aug.
Parks & trails →Count on some 50 days a year when the wind makes it feel below −20.
Humid heat, a humidex over 30, comes on about 11 days a year.
What averages leave out, the floods and ice storms, is on Terwillegar Towne’s hazards page.
Flood & hazards →ECCC’s normals location: Edmonton (City)
ECCC builds the Edmonton (City) normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 14 km north |
| Station altitude | 671 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −37.8°C |
| Hottest reading, 1991–2020 | 34.9°C |
| Average wind | 12.2 km/h on average, most often from the west |
| Next-nearest location | Edmonton (Airport), 14 km |
How Terwillegar Towne 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 Alberta.
Nearby towns’ climate
The nearest places on a normals location of their own: those that share Terwillegar Towne’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Terwillegar Towne Edmonton (City) | 23.5°C | −14.7°C | 423 mm |
| Leger 1.0 km · Edmonton (City) | 23.5°C about the same | −14.7°C about the same | 423 mm |
| South Terwillegar 1.4 km · Edmonton (Airport) | 23.0°C 0.5°C cooler | −18.1°C 3.4°C colder | 434 mm |
Terwillegar Towne 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 | −5.8°C | −14.7°C | −10.3°C | 20 mm | 26 cm |
| February | −3.0°C | −12.7°C | −7.9°C | 12 mm | 13 cm |
| March | 1.7°C | −7.8°C | −3.1°C | 17 mm | 19 cm |
| April | 10.4°C | −0.7°C | 4.9°C | 29 mm | 15 cm |
| May | 17.5°C | 5.6°C | 11.6°C | 44 mm | 5 cm |
| June | 21.0°C | 10.2°C | 15.6°C | 70 mm | 0 cm |
| July | 23.5°C | 12.6°C | 18.1°C | 83 mm | 0 cm |
| August | 22.6°C | 11.3°C | 17.0°C | 61 mm | under 1 cm |
| September | 17.6°C | 6.2°C | 11.9°C | 39 mm | 1 cm |
| October | 10.0°C | −0.1°C | 5.0°C | 21 mm | 11 cm |
| November | 0.6°C | −7.5°C | −3.5°C | 18 mm | 20 cm |
| December | −4.7°C | −13.2°C | −9.0°C | 12 mm | 15 cm |
| Year | 9.3°C | −0.9°C | 4.2°C | 423 mm | 124 cm |
The month with the widest range: March, −34.0°C to 23.9°C
Bars run from each month’s record low to its record high over 1991–2020; February is the month whose average wanders most from year to year (±4.2°C around −7.9°C), June the one that wanders least (±1.0°C).
Where Terwillegar Towne’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Edmonton (City), its nearest location with complete temperatures.
- 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, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Terwillegar Towne’s climate
How warm does Terwillegar Towne get in summer?
The warmest month is July, when afternoons average 23.5°C.
How cold does Terwillegar Towne get in winter?
In January, the coldest month, the typical low is −14.7°C.
How much rain and snow does Terwillegar Towne get?
Count on roughly 423 mm a year, heaviest in July (83 mm) and lightest in February (12 mm).
Are these figures for Terwillegar Towne itself?
They are the normals for Edmonton (City), measured just outside Terwillegar Towne itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Terwillegar Towne →
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).