Irricana is drier than 82% of Canadian towns: 445 mm of rain and snow a year
Midwinter brings lows of about −13.5°C. Precipitation peaks in June and eases off in January. In 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.
These are not Irricana’s own readings: ECCC keeps no normals there, so the page uses Calgary (Airport), 36 km south-west.
A year in Irricana at a glance
Each month’s typical high and low, in °C.
What stands out about Irricana’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Alberta beside it.
What a year in Irricana feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
193 frost days and 87 days above 20°C a year
The frost season runs September to May, and December freezes nearly every night. On about 22 nights a year the air falls below −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 445 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
About 139 cm of snow a year
From September to May snow is likely; March is the peak, at about 24 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Irricana
85% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
Heating degree days total each day’s gap between its mean temperature and 18°C. A house here needs more heating than 68% of Canadian towns.
Living with Irricana’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
Seedlings can go out once the average last frost, around 21 May, has passed; autumn’s first, near 18 September, ends a season of about 119 days.
Afternoons of 17–27°C and nights of at least 8°C arrive in Jul and Aug.
Parks & trails →Expect around 42 days a year when the wind chill sinks below −20.
Expect around 9 sticky days a year with the humidex above 30.
Thirty-year normals hide the storms and the extremes: the hazards page has Irricana’s risks.
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 | 36 km south-west |
| 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 | Drumheller East, 66 km |
How Irricana 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
Places around Irricana whose figures come from another normals location. Irricana has few close neighbours with figures, so the list reaches 44–49 km out.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Irricana Calgary (Airport) | 23.5°C | −13.5°C | 445 mm |
| Wheatland County 44 km · Queenstown | 25.0°C 1.5°C warmer | −13.7°C about the same | 412 mm |
| Carstairs 44 km · Sundre | 22.8°C 0.7°C cooler | −18.0°C 4.5°C colder | 496 mm |
| Three Hills 49 km · Drumheller East | 26.3°C 2.8°C warmer | −17.6°C 4.1°C colder | 483 mm |
Irricana 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 |
From −38.2°C to 19.5°C: December’s coldest and warmest days since 1991
Year to year, February varies most (a standard deviation of 4.1°C around −5.9°C) and June least (1.1°C).
Where Irricana’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 normals from ECCC for Calgary (Airport), its nearest location with complete temperatures.
- Comparisons: every Canadian town and neighbourhood of 2,500 or more, each read from its own nearest location; city totals and reserves are left out.
- 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 Irricana’s climate
How warm does Irricana get in summer?
A normal July afternoon tops out at about 23.5°C, the year’s high point.
How cold does Irricana get in winter?
In January, the coldest month, the typical low is −13.5°C.
How much rain and snow does Irricana get?
Rain and snow add up to about 445 mm of water a year; June brings the most (113 mm), January the least (10 mm).
How long does snow stay on the ground?
Snow lies on the ground for about 93 days in a normal year.
Are these figures for Irricana itself?
Not as such: Calgary (Airport) is the nearest normals location, and Irricana has none.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Irricana →
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).