One Hundred Mile House gets more frosts than 91% of Canadian towns
Expect July afternoons of about 23.9°C. Counting rain and snow together, it is drier than 78% of Canadian towns. The wettest month is June; the driest is February. Plan for rain or snow on about 96 days a year, the days with 1 mm or more.
Far-off figures: ECCC’s closest normals for One Hundred Mile House come from Clinton, 57 km south, so take them as the area’s climate.
A year in One Hundred Mile House at a glance
Each month’s typical high and low, in °C.
What stands out about One Hundred Mile House’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in British Columbia beside it.
What a year in One Hundred Mile House feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
203 frost days and 80 days above 20°C a year
From September to May frost is routine, and in December it comes on almost every night. On about 11 nights a year the air falls below −20°C.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 463 mm of rain and snow a year
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Clinton publishes no full year of precipitation or snowfall, so these figures, and the snow below, come from Williams Lake, 79 km away.
About 176 cm of snow a year
The snow season runs October to May; December brings the most, about 42 cm.
Snowfall by month
Centimetres
Heating a home in One Hundred Mile House
84% of a year’s heating need falls between October and April. Months averaging under 10°C: October to May.
Each day the mean sits under 18°C adds its shortfall; a year’s total is its heating degree days. That means homes here need more heating than 63% of Canadian towns.
Living with One Hundred Mile House’s climate
Gardening, time outside, winter cold and summer heat, from the 1991–2020 normals.
For long days outdoors, Jul bring highs of 17–27°C and lows of 8°C or more.
Parks & trails →Bitter wind chill, under −20, comes on about 19 days a year.
About 7 days a year turn sultry, with the humidex past 30.
Severe weather is a separate story from the averages: see One Hundred Mile House’s hazards page.
Flood & hazards →ECCC’s normals location: Clinton
Behind the 1991–2020 normals for Clinton are 3 stations, which ECCC combines into one record.
| Distance from the town | 57 km south |
| Station altitude | 1,057 m |
| Completeness | at least 20 years |
| WMO standard normals | No |
| Precipitation from | Williams Lake, 79 km |
| Coldest reading, 1991–2020 | −35.9°C |
| Hottest reading, 1991–2020 | 35.2°C |
| Average wind | 7.6 km/h on average, most often from the south |
| Next-nearest location | Williams Lake, 79 km |
How One Hundred Mile House compares
Compared with 2,611 towns and neighbourhoods of 2,500 or more across Canada; the dots mark the other normals locations in British Columbia.
Nearby towns’ climate
Nearby places read from a different ECCC location (places on One Hundred Mile House’s own would show the same figures). No closer place has figures: this one lies 73 km from One Hundred Mile House.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| One Hundred Mile House Clinton | 23.9°C | −9.8°C | 463 mm |
| Electoral Area E, Cariboo 73 km · Williams Lake | 22.7°C 1.2°C cooler | −10.9°C 1.1°C colder | 463 mm |
One Hundred Mile House 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 | −3.2°C | −9.8°C | −6.5°C | 37 mm | 41 cm |
| February | 0.2°C | −9.0°C | −4.4°C | 19 mm | 20 cm |
| March | 5.2°C | −5.7°C | −0.2°C | 20 mm | 21 cm |
| April | 11.0°C | −2.2°C | 4.4°C | 22 mm | 8 cm |
| May | 16.5°C | 2.2°C | 9.3°C | 42 mm | 3 cm |
| June | 19.8°C | 5.7°C | 12.7°C | 66 mm | 0 cm |
| July | 23.9°C | 8.4°C | 16.2°C | 57 mm | 0 cm |
| August | 23.7°C | 7.7°C | 15.7°C | 43 mm | 0 cm |
| September | 18.0°C | 3.7°C | 10.9°C | 37 mm | 1 cm |
| October | 9.4°C | −1.1°C | 4.2°C | 41 mm | 9 cm |
| November | 1.2°C | −5.7°C | −2.3°C | 42 mm | 31 cm |
| December | −3.6°C | −9.6°C | −6.6°C | 38 mm | 42 cm |
| Year | 10.2°C | −1.3°C | 4.5°C | 463 mm | 176 cm |
From −28.2°C to 18.9°C: March’s coldest and warmest days since 1991
From one year to the next, February’s average typically shifts by 3.4°C around its normal of −4.4°C, the widest of any month, while June’s shifts by 1.2°C.
Where One Hundred Mile House’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the 1991–2020 Canadian Climate Normals at Clinton, the closest ECCC location with twelve months of temperature normals.
- Other locations: a location missing months of precipitation or snow is filled from the nearest that has them all, never mixed month by month.
- Comparisons: a pool of Canadian towns and neighbourhoods of 2,500 or more, read alike; whole cities and reserves stay out of it.
- Not on this page: sunshine, not in ECCC’s 1991–2020 normals, and the effect of the town’s height, for which there is no figure.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about One Hundred Mile House’s climate
How warm does One Hundred Mile House get in summer?
July is the warmest month, with average highs of 23.9°C.
How cold does One Hundred Mile House get in winter?
Overnight lows average −9.8°C in January, the coldest month.
How much rain and snow does One Hundred Mile House get?
Measured as water, a year brings 463 mm: 66 mm in June, the wettest month, and 19 mm in February, the driest.
Are these figures for One Hundred Mile House itself?
They are the figures for Clinton, which read better as the region’s climate than One Hundred Mile House’s own.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for One Hundred Mile House →
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).