Precipitation in Delton trails that of 90% of Canadian towns: 423 mm a year
July afternoons average 23.5°C. Summers stay cool: July afternoons here are cooler than in 80% of Canadian towns. The wettest month is July; the driest is February. Expect about 179 frosty starts a year, days when the air falls to freezing.
1991–2020 normals from ECCC’s Edmonton (City) location, 2.6 km west.
A year in Delton at a glance
Each month’s typical high and low, in °C.
What stands out about Delton’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Alberta beside it.
What a year in Delton feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
179 frost days and 90 days above 20°C a year
The frost season runs September to May, and January freezes nearly every night. Some 24 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
423 mm of precipitation in a typical year
Some 72 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
124 cm of snow in a typical year
Expect snow from October to May, with about 26 cm in January, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Delton
89% 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. By this count, homes here need more heating than 76% of Canadian towns.
Living with Delton’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Plant out after about 7 May; the first frost of autumn usually arrives near 25 September, leaving roughly 141 days without frost.
Afternoons of 17–27°C and nights of at least 8°C arrive in Jun, Jul and Aug.
Parks & trails →Plan for about 50 days a year with a wind chill below −20.
Plan shade and water for about 11 days a year above 30 on the humidex.
Ice storms, floods and heat waves are risks, not averages: they are on Delton’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 | 2.6 km west |
| 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 | Fort Saskatchewan, 26 km |
How Delton compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Alberta.
Nearby towns’ climate
Places around Delton whose figures come from another normals location. The nearest places to Delton with figures are 20–30 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Delton Edmonton (City) | 23.5°C | −14.7°C | 423 mm |
| Fort Saskatchewan 20 km · Fort Saskatchewan | 23.6°C about the same | −17.8°C 3.1°C colder | 473 mm |
| Beaumont 25 km · Edmonton (Airport) | 23.0°C 0.5°C cooler | −18.1°C 3.4°C colder | 434 mm |
Delton weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and 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 |
A February here can run warm or cold, its average moving by about 4.2°C; the steadiest month is June
Over 1991–2020, March saw both −34.0°C (2003) and 23.9°C (2004), the widest span of any month.
Where Delton’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Edmonton (City), the nearest location with a full year of 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: a sunshine figure (ECCC published none for 1991–2020) and any lapse-rate correction for height, as the town has no elevation here.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Delton’s climate
How warm does Delton get in summer?
Of all twelve months, July has the warmest afternoons, about 23.5°C.
How cold does Delton get in winter?
January nights average −14.7°C, the coldest of the year.
How much rain and snow does Delton get?
The yearly total is about 423 mm. July gets 83 mm, the most of any month; February gets 12 mm, the least.
Are these figures for Delton itself?
They are the normals for Edmonton (City), measured just outside Delton itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Delton →
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).