Hidden Valley is drier than 82% of Canadian towns: 445 mm of rain and snow a year
The depth of winter brings overnight lows near −13.5°C. Summers stay cool: July afternoons here are cooler than in 80% of Canadian towns. Temperatures cover 37°C across the year, low to high. Heating does most of its work from October to May, in months below 10°C on average.
Environment and Climate Change Canada’s 1991–2020 normals at its Calgary (Airport) station, 8.2 km south-east.
A year in Hidden Valley at a glance
Each month’s typical high and low, in °C.
What stands out about Hidden Valley’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Alberta beside it.
What a year in Hidden Valley feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 193 days, 20°C on 87
The frost season runs September to May, and December freezes nearly every night. Some 22 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
Rain and melted snow: about 445 mm a year
June brings the most rain and snow; January, the least. About 72 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Snowfall: about 139 cm in a normal 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 Hidden Valley
85% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
A heating degree day is one degree of shortfall below 18°C for one day, summed over the year. Homes here need more heating than 68% of Canadian towns.
Living with Hidden Valley’s climate
What the normals mean for a garden, a day outside and the depth of winter.
Between the last frost, near 21 May, and the first, near 18 September, lie about 119 frost-free days.
Mild days and mild nights together (17–27°C by day, 8°C or more at night) belong to Jul and Aug.
Parks & trails →A wind chill below −20 is part of about 42 days a year here.
Count on some 9 humid days a year with the humidex past 30.
Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Hidden Valley’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 | 8.2 km south-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 | Sundre, 80 km |
How Hidden Valley 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 Hidden Valley whose figures come from another normals location. No closer places have figures: these lie 45–66 km from Hidden Valley.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Hidden Valley Calgary (Airport) | 23.5°C | −13.5°C | 445 mm |
| Carstairs 45 km · Sundre | 22.8°C 0.7°C cooler | −18.0°C 4.5°C colder | 496 mm |
| Stoney 142, 143, 144 51 km · Banff | 22.5°C 1.0°C cooler | −13.5°C about the same | 454 mm |
| Wheatland County 64 km · Queenstown | 25.0°C 1.5°C warmer | −13.7°C about the same | 412 mm |
Hidden Valley 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 |
A February here can run warm or cold, its average moving by about 4.1°C; the steadiest month is June
Over 1991–2020, December saw both −38.2°C (1996) and 19.5°C (1999), the widest span of any month.
Where Hidden Valley’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Calgary (Airport) from ECCC’s climate data site, the nearest location with every month of temperature.
- Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
- 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 Hidden Valley’s climate
How warm does Hidden Valley get in summer?
At its warmest, in July, the normal high is 23.5°C.
How cold does Hidden Valley get in winter?
Lows sink to −13.5°C on an average January night.
How much rain and snow does Hidden Valley 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?
The ground is white, with 1 cm or more, on some 93 days a year.
Are these figures for Hidden Valley itself?
Close to it: they are ECCC’s 1991–2020 normals for Calgary (Airport), just outside Hidden Valley’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Hidden Valley →
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).