Dry weather: only 445 mm of rain and snow a year falls on Montgomery, less than on 82% of Canadian towns
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. Of all months, June brings the most precipitation and January the least. Picnics, hikes and garden evenings suit July and August, with highs of 23–24°C.
1991–2020 normals from ECCC’s Calgary (Airport) location, 12 km north-east.
A year in Montgomery at a glance
Each month’s typical high and low, in °C.
What stands out about Montgomery’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Alberta beside it.
What a year in Montgomery feels like
Each season’s and each month’s usual high and low, 1991–2020.
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. 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
445 mm of precipitation in a typical year
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
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 Montgomery
85% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
The count adds up, day by day, how far the mean temperature falls short of 18°C. That means homes here need more heating than 68% of Canadian towns.
Living with Montgomery’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
A normal year gives the garden about 119 frost-free days, roughly 21 May to 18 September.
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.
The humidex tops 30 on about 9 days a year: muggy days to plan around.
Bad-weather days, from blizzards to floods, get their own page for Montgomery: the 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 | 12 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 | Sundre, 86 km |
How Montgomery compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in Alberta.
Nearby towns’ climate
Places around Montgomery whose figures come from another normals location. Distances here run 49–70 km: that is how far the nearest places with figures are from Montgomery.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Montgomery Calgary (Airport) | 23.5°C | −13.5°C | 445 mm |
| Stoney 142, 143, 144 49 km · Banff | 22.5°C 1.0°C cooler | −13.5°C about the same | 454 mm |
| Carstairs 54 km · Sundre | 22.8°C 0.7°C cooler | −18.0°C 4.5°C colder | 496 mm |
| Wheatland County 65 km · Queenstown | 25.0°C 1.5°C warmer | −13.7°C about the same | 412 mm |
Montgomery 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 |
From year to year, February moves by 4.1°C, more than any month, and June least
Records from 1991 to 2020: no month spans more than December, between −38.2°C (1996) and 19.5°C (1999).
Where Montgomery’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Calgary (Airport): the nearest of its locations with every month’s 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: sunshine (no 1991–2020 normals exist for it) and any altitude adjustment, since there is no elevation for the town itself.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Montgomery’s climate
How warm does Montgomery get in summer?
The warmest month is July, when afternoons average 23.5°C.
How cold does Montgomery get in winter?
In January, the coldest month, the typical low is −13.5°C.
How much rain and snow does Montgomery get?
Precipitation totals 445 mm a year, with June the wettest month (113 mm) and January the driest (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 Montgomery itself?
Nearly: Calgary (Airport), the location behind them, sits just beyond Montgomery’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Montgomery →
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).