Photo: Shane Smith · CC BY-SA 3.0Radium Hot Springs sits near the top of Canadian towns for frosts
Sunny July days climb to about 22.5°C. Its July afternoons stay fresher than in 96% of Canadian towns. Precipitation follows the seasons: June brings about 3.9 times as much as February. Warm coats and heating bills mark the months from September to May, when means dip under 10°C.
The nearest ECCC normals location is Banff, 73 km north-east: at that distance its figures describe the region more than Radium Hot Springs itself.
A year in Radium Hot Springs at a glance
Each month’s typical high and low, in °C.
What stands out about Radium Hot Springs’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in British Columbia beside it.
What a year in Radium Hot Springs feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
220 frost days and 67 days above 20°C a year
From August to June frost is routine, and in December it comes on almost every night. Some 23 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
454 mm of precipitation in a typical year
About 91 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
184 cm of snow in a typical year
Expect snow from September to June, with about 30 cm in April, the snowiest month.
Snowfall by month
Centimetres
Heating a home in Radium Hot Springs
82% of a year’s heating need falls between October and April. Months averaging under 10°C: September to May.
Think of it as a year’s worth of daily shortfalls below 18°C, added up. A house here needs more heating than 83% of Canadian towns.
Living with Radium Hot Springs’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
The frost-free stretch runs from about 19 June to about 23 August, some 64 days in a normal year.
No month here brings highs of 17–27°C together with nights of 8°C or more.
Parks & trails →Bitter wind chill, under −20, comes on about 39 days a year.
Humid summer days, the humidex above 30, number about 3 a year.
Extremes don’t show in averages: floods, wildfire smoke and ice storms are on Radium Hot Springs’s hazards page.
Flood & hazards →ECCC’s normals location: Banff
ECCC builds the Banff normals from 3 stations’ records over 1991–2020, joined where one replaced another.
| Distance from the town | 73 km north-east |
| Station altitude | 1,397 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −44.2°C |
| Hottest reading, 1991–2020 | 34.2°C |
| Average wind | 8.2 km/h on average, most often from the south-west |
| Next-nearest location | Golden, 98 km |
How Radium Hot Springs 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 British Columbia.
Nearby towns’ climate
Places around Radium Hot Springs whose figures come from another normals location. Distances here run 90–99 km: that is how far the nearest places with figures are from Radium Hot Springs.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Radium Hot Springs Banff | 22.5°C | −13.5°C | 454 mm |
| Electoral Area D, Central Kootenay 90 km · Nakusp | 27.4°C 4.9°C warmer | −3.8°C 9.7°C milder | 386 mm |
| Electoral Area E, East Kootenay 92 km · Cranbrook | 26.9°C 4.4°C warmer | −10.1°C 3.4°C milder | 386 mm |
| Electoral Area A, Columbia-Shuswap 95 km · Golden | 25.4°C 2.9°C warmer | −10.9°C 2.6°C milder | 457 mm |
| Kaslo 99 km · Nelson | 28.5°C 6.0°C warmer | −2.9°C 10.6°C milder | 386 mm |
Radium Hot Springs 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 | −3.5°C | −13.5°C | −8.5°C | 19 mm | 21 cm |
| February | −0.5°C | −12.6°C | −6.6°C | 19 mm | 20 cm |
| March | 3.7°C | −8.2°C | −2.2°C | 29 mm | 25 cm |
| April | 9.0°C | −3.5°C | 2.8°C | 39 mm | 30 cm |
| May | 14.3°C | 0.5°C | 7.4°C | 50 mm | 12 cm |
| June | 17.9°C | 4.4°C | 11.2°C | 73 mm | 2 cm |
| July | 22.5°C | 6.8°C | 14.7°C | 47 mm | under 1 cm |
| August | 22.1°C | 5.8°C | 14.0°C | 47 mm | under 1 cm |
| September | 16.7°C | 2.2°C | 9.4°C | 45 mm | 8 cm |
| October | 9.1°C | −2.4°C | 3.4°C | 36 mm | 17 cm |
| November | 0.6°C | −8.2°C | −3.8°C | 28 mm | 25 cm |
| December | −4.6°C | −13.4°C | −9.0°C | 23 mm | 23 cm |
| Year | 8.9°C | −3.5°C | 2.7°C | 454 mm | 184 cm |
The most changeable month: February, give or take 4.1°C; the steadiest, June
March has the widest record range, −38.5°C in 2019 to 20.0°C in 2004; the tick on each bar is the month’s normal.
Where Radium Hot Springs’s numbers come from
Averages over 30 years, not a forecast.
- Normals: Environment and Climate Change Canada’s 1991–2020 normals, Banff: the nearest of its locations with every month’s temperatures.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- Not on this page: sunshine, absent from every 1991–2020 location, and an altitude correction, for want of the town’s own elevation.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Radium Hot Springs’s climate
How warm does Radium Hot Springs get in summer?
Summer peaks in July: a typical afternoon reaches 22.5°C.
How cold does Radium Hot Springs get in winter?
A typical January night falls to −13.5°C, the year’s low point.
How much rain and snow does Radium Hot Springs get?
A normal year brings 454 mm, snow included as water: June is wettest at 73 mm, February driest at 19 mm.
Are these figures for Radium Hot Springs itself?
Not really: Banff, the closest location with normals, lies well away from Radium Hot Springs.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Radium Hot Springs →
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).