Less rain and snow fall on Rapperswill than on 90% of Canadian towns: 423 mm a year
Sunny July days climb to about 23.5°C. Its July afternoons stay fresher than in 80% of Canadian towns. The year is lopsided: July gets about 7.0 times what February does. Frost comes on about 179 days a year, so leave time to clear the car.
Read at Edmonton (City), 7.1 km south: ECCC’s normals for 1991–2020.
A year in Rapperswill at a glance
Each month’s typical high and low, in °C.
What stands out about Rapperswill’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in Alberta beside it.
What a year in Rapperswill feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 179 frosts and 90 warm days a year
The frost season runs September to May, and January freezes nearly every night. Deep cold, under −20°C, comes on about 24 nights a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 423 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
Snowfall: about 124 cm in a normal year
Snow falls from October to May, most of all in January (about 26 cm).
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Rapperswill
89% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
Every day colder than 18°C on average adds its gap in degrees to the year’s heating total. By this count, homes here need more heating than 76% of Canadian towns.
Living with Rapperswill’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
On average the last spring frost comes around 7 May and the first autumn frost around 25 September: about 141 frost-free days between.
The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: Jun, Jul and Aug.
Parks & trails →Count on some 50 days a year when the wind makes it feel below −20.
About 11 days a year feel above 30 on the humidex.
For the weather that does damage, from ice storms to floods, see Rapperswill’s hazards page.
Flood & hazards →ECCC’s normals location: Edmonton (City)
Behind the 1991–2020 normals for Edmonton (City) are 3 stations, which ECCC combines into one record.
| Distance from the town | 7.1 km south |
| Station altitude | 671 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −37.8°C |
| Hottest reading, 1991–2020 | 34.9°C |
| Average wind | 12.2 km/h on average, most often from the west |
| Next-nearest location | Fort Saskatchewan, 25 km |
How Rapperswill 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
Places around Rapperswill whose figures come from another normals location. Rapperswill has no close neighbour with figures; the nearest is 20 km away.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Rapperswill Edmonton (City) | 23.5°C | −14.7°C | 423 mm |
| Fort Saskatchewan 20 km · Fort Saskatchewan | 23.6°C about the same | −17.8°C 3.1°C colder | 473 mm |
Rapperswill 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 | −5.8°C | −14.7°C | −10.3°C | 20 mm | 26 cm |
| February | −3.0°C | −12.7°C | −7.9°C | 12 mm | 13 cm |
| March | 1.7°C | −7.8°C | −3.1°C | 17 mm | 19 cm |
| April | 10.4°C | −0.7°C | 4.9°C | 29 mm | 15 cm |
| May | 17.5°C | 5.6°C | 11.6°C | 44 mm | 5 cm |
| June | 21.0°C | 10.2°C | 15.6°C | 70 mm | 0 cm |
| July | 23.5°C | 12.6°C | 18.1°C | 83 mm | 0 cm |
| August | 22.6°C | 11.3°C | 17.0°C | 61 mm | under 1 cm |
| September | 17.6°C | 6.2°C | 11.9°C | 39 mm | 1 cm |
| October | 10.0°C | −0.1°C | 5.0°C | 21 mm | 11 cm |
| November | 0.6°C | −7.5°C | −3.5°C | 18 mm | 20 cm |
| December | −4.7°C | −13.2°C | −9.0°C | 12 mm | 15 cm |
| Year | 9.3°C | −0.9°C | 4.2°C | 423 mm | 124 cm |
From year to year, February moves by 4.2°C, more than any month, and June least
Records from 1991 to 2020: no month spans more than March, between −34.0°C (2003) and 23.9°C (2004).
Where Rapperswill’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Edmonton (City), the closest ECCC location with twelve months of temperature normals.
- Comparisons: the 2,500-plus towns and neighbourhoods of Canada, each read from its closest normals location; whole cities and reserves aren’t counted.
- 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 Rapperswill’s climate
How warm does Rapperswill get in summer?
On a normal day in July the thermometer climbs to 23.5°C, the warmest of the year.
How cold does Rapperswill get in winter?
Expect nights around −14.7°C in January; no month is colder.
How much rain and snow does Rapperswill get?
Rain and snow add up to about 423 mm of water a year; July brings the most (83 mm), February the least (12 mm).
Are these figures for Rapperswill itself?
Close to it: they are ECCC’s 1991–2020 normals for Edmonton (City), just outside Rapperswill’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Rapperswill →
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).