Upper Mount Royal is drier than 82% of Canadian towns: 445 mm of rain and snow a year
Peak summer warmth arrives in July, with afternoons near 23.5°C. By July afternoons alone, it runs cooler than 80% of Canadian towns. From frozen January to warm July, readings climb 37°C. Plan for rain or snow on about 72 days a year, the days with 1 mm or more.
Figures: ECCC’s 1991–2020 normals for Calgary (Airport) (11 km north-east).
A year in Upper Mount Royal at a glance
Each month’s typical high and low, in °C.
What stands out about Upper Mount Royal’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Alberta beside it.
What a year in Upper Mount Royal 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. 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
June brings the most rain and snow; January, the least.
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 Upper Mount Royal
85% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
Behind the figure: the degrees each day’s mean falls under 18°C, summed for the year. In heating terms, homes need more heating than 68% of Canadian towns.
Living with Upper Mount Royal’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
About 119 days a year pass without frost, from an average last frost of 21 May to a first of 18 September.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark Jul and Aug.
Parks & trails →Plan for about 42 days a year with a wind chill below −20.
Plan shade and water for about 9 days a year above 30 on the humidex.
What averages leave out, the floods and ice storms, is on Upper Mount Royal’s hazards page.
Flood & hazards →ECCC’s normals location: Calgary (Airport)
Behind the 1991–2020 normals for Calgary (Airport) are 2 stations, which ECCC combines into one record.
| Distance from the town | 11 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 Upper Mount Royal 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 Upper Mount Royal’s own would show the same figures). The nearest places to Upper Mount Royal with figures are 56–73 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Upper Mount Royal 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 58 km · Sundre | 22.8°C 0.7°C cooler | −18.0°C 4.5°C colder | 496 mm |
| Wheatland County 60 km · Queenstown | 25.0°C 1.5°C warmer | −13.7°C about the same | 412 mm |
Upper Mount Royal 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 |
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 Upper Mount Royal’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Calgary (Airport), the closest ECCC location with twelve months of temperature normals.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- 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 Upper Mount Royal’s climate
How warm does Upper Mount Royal get in summer?
Highs reach 23.5°C on an average July day; no month is warmer.
How cold does Upper Mount Royal get in winter?
Expect nights around −13.5°C in January; no month is colder.
How much rain and snow does Upper Mount Royal 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?
Snow covers the ground, 1 cm or more, on about 93 days a year.
Are these figures for Upper Mount Royal itself?
They are the normals for Calgary (Airport), measured just outside Upper Mount Royal itself.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Upper Mount Royal →
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).