Dry weather: only 445 mm of rain and snow a year falls on Millrise, less than on 82% of Canadian towns
Expect July afternoons of about 23.5°C. Rain or snow is most frequent in June and least in January. In July, afternoons here are cooler than in 80% of Canadian towns. Windshields need scraping on about 193 mornings a year, the days the air reaches 0°C or below.
Figures: ECCC’s 1991–2020 normals for Calgary (Airport) (23 km north).
A year in Millrise at a glance
Each month’s typical high and low, in °C.
What stands out about Millrise’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Alberta beside it.
What a year in Millrise feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
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
About 445 mm of rain and snow a year
About 72 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
139 cm of snow in a typical year
Expect snow from September to May, with about 24 cm in March, the snowiest month.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Millrise
85% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
ECCC sums, over the year, how many degrees each day’s average falls short of 18°C. Over a year, a home here needs more heating than 68% of Canadian towns.
Living with Millrise’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Gardens get from about 21 May to 18 September without frost, around 119 days in all.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jul and Aug.
Parks & trails →The wind chill passes −20 on about 42 days in a normal year.
Humid heat, a humidex over 30, comes on about 9 days a year.
Ice storms, floods and heat waves are risks, not averages: they are on Millrise’s hazards page.
Flood & hazards →ECCC’s normals location: Calgary (Airport)
ECCC builds the Calgary (Airport) normals from 2 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 23 km north |
| 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, 85 km |
How Millrise 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 Millrise’s would only repeat its figures. The nearest places to Millrise with figures are 60–71 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Millrise Calgary (Airport) | 23.5°C | −13.5°C | 445 mm |
| Stoney 142, 143, 144 60 km · Banff | 22.5°C 1.0°C cooler | −13.5°C about the same | 454 mm |
| Wheatland County 60 km · Queenstown | 25.0°C 1.5°C warmer | −13.7°C about the same | 412 mm |
| Nanton 67 km · Claresholm | 25.2°C 1.7°C warmer | −13.2°C about the same | 428 mm |
| Carstairs 71 km · Sundre | 22.8°C 0.7°C cooler | −18.0°C 4.5°C colder | 496 mm |
Millrise weather by month
Average daily high and low, mean temperature, rain and snow (as water) and snowfall by month, 1991–2020.
| 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 |
A February here can run warm or cold, its average moving by about 4.1°C; the steadiest month is June
The thirty-year records stretch furthest in December: a low of −38.2°C in 1996 and a high of 19.5°C in 1999.
Where Millrise’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s 1991–2020 Canadian Climate Normals for Calgary (Airport), the nearest location with a full year of temperatures.
- Comparisons: the towns and neighbourhoods of 2,500+ across Canada, each on its nearest normals location, without the city totals or the reserves.
- 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 Millrise’s climate
How warm does Millrise get in summer?
Highs reach 23.5°C on an average July day; no month is warmer.
How cold does Millrise get in winter?
Winter bottoms out in January, with lows near −13.5°C.
How much rain and snow does Millrise get?
445 mm a year counting snow as water. The wettest month is June (113 mm); the driest, January (10 mm).
How long does snow stay on the ground?
Count on about 93 days of snow cover a year, 1 cm or deeper.
Are these figures for Millrise itself?
Almost: ECCC’s Calgary (Airport) location, which gives these figures, lies a short way outside Millrise.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Millrise →
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).