Precipitation in Downtown Commercial Core trails that of 82% of Canadian towns: 445 mm a year
July afternoons average 23.5°C. From frozen January to warm July, readings climb 37°C. Summers stay cool: July afternoons here are cooler than in 80% of Canadian towns. Expect about 193 frosty starts a year, days when the air falls to freezing.
Environment and Climate Change Canada’s 1991–2020 normals at its Calgary (Airport) station, 9.0 km north-east.
A year in Downtown Commercial Core at a glance
Each month’s typical high and low, in °C.
What stands out about Downtown Commercial Core’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Alberta beside it.
What a year in Downtown Commercial Core feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
About 193 frosts and 87 warm days a year
From September to May frost is routine, and in December it comes on almost every night. Deep cold, under −20°C, comes on about 22 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
445 mm of precipitation in a typical year
June is the wettest month and January the driest. About 72 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 139 cm of snow a year
Snow falls from September to May, most of all in March (about 24 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Downtown Commercial Core
85% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
Every day colder than 18°C on average adds its gap in degrees to the year’s heating total. That means homes here need more heating than 68% of Canadian towns.
Living with Downtown Commercial Core’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Count on about 119 frost-free days: the last frost averages 21 May, the first 18 September.
The outdoor season by the averages is Jul and Aug, with highs of 17–27°C and lows of 8°C or more.
Parks & trails →A wind chill below −20 is part of about 42 days a year here.
Expect around 9 sticky days a year with the humidex above 30.
For blizzards, floods and wildfire, turn to Downtown Commercial Core’s hazards page.
Flood & hazards →ECCC’s normals location: Calgary (Airport)
Calgary (Airport) is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 9.0 km north-east |
| Station altitude | 1,099 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −39.7°C |
| Hottest reading, 1991–2020 | 36.5°C |
| Average wind | 13.8 km/h on average, most often from the south |
| Next-nearest location | Queenstown, 91 km |
How Downtown Commercial Core 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 Alberta.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on Downtown Commercial Core’s own would show the same figures). Distances here run 56–73 km: that is how far the nearest places with figures are from Downtown Commercial Core.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Downtown Commercial Core Calgary (Airport) | 23.5°C | −13.5°C | 445 mm |
| Stoney 142, 143, 144 56 km · Banff | 22.5°C 1.0°C cooler | −13.5°C about the same | 454 mm |
| Carstairs 56 km · Sundre | 22.8°C 0.7°C cooler | −18.0°C 4.5°C colder | 496 mm |
| Wheatland County 59 km · Queenstown | 25.0°C 1.5°C warmer | −13.7°C about the same | 412 mm |
Downtown Commercial Core 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 | −1.5°C | −13.5°C | −7.6°C | 10 mm | 17 cm |
| February | 0.1°C | −11.8°C | −5.9°C | 12 mm | 17 cm |
| March | 3.8°C | −8.1°C | −2.2°C | 18 mm | 24 cm |
| April | 10.8°C | −1.9°C | 4.5°C | 30 mm | 23 cm |
| May | 16.4°C | 3.4°C | 9.9°C | 61 mm | 10 cm |
| June | 19.7°C | 7.7°C | 13.7°C | 113 mm | under 1 cm |
| July | 23.5°C | 10.2°C | 16.9°C | 66 mm | 0 cm |
| August | 23.1°C | 9.2°C | 16.2°C | 54 mm | 0 cm |
| September | 18.3°C | 4.7°C | 11.5°C | 37 mm | 2 cm |
| October | 11.1°C | −1.3°C | 4.9°C | 17 mm | 12 cm |
| November | 4.1°C | −7.5°C | −1.7°C | 16 mm | 19 cm |
| December | −0.4°C | −12.1°C | −6.3°C | 13 mm | 16 cm |
| Year | 10.8°C | −1.8°C | 4.5°C | 445 mm | 139 cm |
February strays furthest from its normal year to year, by 4.1°C; June the least
Each bar spans a month’s coldest and warmest readings over thirty years; December’s run from −38.2°C in 1996 to 19.5°C in 1999.
Where Downtown Commercial Core’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Calgary (Airport), 1991–2020, chosen as the nearest location with a full temperature record.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- 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 Downtown Commercial Core’s climate
How warm does Downtown Commercial Core get in summer?
Expect highs near 23.5°C in July, the hottest month on average.
How cold does Downtown Commercial Core get in winter?
Overnight lows average −13.5°C in January, the coldest month.
How much rain and snow does Downtown Commercial Core get?
The year adds up to 445 mm. June is the peak month (113 mm) and January the low one (10 mm).
How long does snow stay on the ground?
The ground is white, with 1 cm or more, on some 93 days a year.
Are these figures for Downtown Commercial Core itself?
They are the normals for Calgary (Airport), measured just outside Downtown Commercial Core itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Downtown Commercial Core →
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).