Photo: Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center · Public domainElectoral Area A, Okanagan-Similkameen has some of the warmest summer afternoons among Canadian towns
On a normal January night the air cools to about −3.8°C. Temperatures cover 35°C across the year, low to high. Precipitation is light here, less than falls on almost every Canadian town. Ice scrapers and block heaters earn their keep on roughly 111 days a year at 0°C or below.
These are not Electoral Area A, Okanagan-Similkameen’s own readings: ECCC keeps no normals there, so the page uses Osoyoos, 2.9 km north-east.
A year in Electoral Area A, Okanagan-Similkameen at a glance
Each month’s typical high and low, in °C.
What stands out about Electoral Area A, Okanagan-Similkameen’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in British Columbia beside it.
What a year in Electoral Area A, Okanagan-Similkameen feels like
Each season’s and each month’s usual high and low, 1991–2020.
111 frost days and 152 days above 20°C a year
The frost season runs October to April, peaking in December at about 24 nights. About 53 days a year top 30°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 344 mm a year
June brings the most rain and snow; February, the least. About 75 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Precipitation and snowfall: Penticton, 51 km away (Osoyoos records no complete year of either).
Snowfall: about 62 cm in a normal year
Expect snow from November to March, with about 20 cm in December, the snowiest month.
Snowfall by month
Centimetres
Heating a home in Electoral Area A, Okanagan-Similkameen
94% of a year’s heating need falls between October and April. Months averaging under 10°C: November to March.
ECCC sums, over the year, how many degrees each day’s average falls short of 18°C. Over a year, a home here needs less heating than 94% of Canadian towns.
Living with Electoral Area A, Okanagan-Similkameen’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
For long days outdoors, May, Jun and Sep bring highs of 17–27°C and lows of 8°C or more.
Parks & trails →Bitter wind chill, under −20, comes on about 2 days a year.
About 56 days a year turn sultry, with the humidex past 30.
A normal year has no blizzard, flood or heat wave in it; Electoral Area A, Okanagan-Similkameen’s hazards page looks at those.
Flood & hazards →ECCC’s normals location: Osoyoos
Osoyoos is one of the 450 places where ECCC publishes 1991–2020 normals.
| Distance from the town | 2.9 km north-east |
| Station altitude | 283 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Precipitation from | Penticton, 51 km |
| Coldest reading, 1991–2020 | −21.7°C |
| Hottest reading, 1991–2020 | 42.8°C |
| Average wind | 6.7 km/h on average, most often from the south-east |
| Next-nearest location | Penticton, 51 km |
How Electoral Area A, Okanagan-Similkameen 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 Electoral Area A, Okanagan-Similkameen whose figures come from another normals location. The one place listed is 34 km from Electoral Area A, Okanagan-Similkameen, the nearest with figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Electoral Area A, Okanagan-Similkameen Osoyoos | 31.6°C | −3.8°C | 344 mm |
| Keremeos 34 km · Penticton | 29.2°C 2.4°C cooler | −3.2°C 0.6°C milder | 344 mm |
Electoral Area A, Okanagan-Similkameen 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 | 1.8°C | −3.8°C | −1.0°C | 28 mm | 19 cm |
| February | 5.8°C | −3.1°C | 1.4°C | 19 mm | 9 cm |
| March | 12.2°C | 0.0°C | 6.1°C | 23 mm | 5 cm |
| April | 17.7°C | 3.6°C | 10.7°C | 26 mm | 1 cm |
| May | 23.2°C | 8.4°C | 15.8°C | 38 mm | 0 cm |
| June | 26.5°C | 11.9°C | 19.2°C | 44 mm | 0 cm |
| July | 31.6°C | 14.8°C | 23.2°C | 28 mm | 0 cm |
| August | 31.0°C | 14.0°C | 22.5°C | 27 mm | 0 cm |
| September | 25.1°C | 9.3°C | 17.2°C | 25 mm | 0 cm |
| October | 16.2°C | 4.1°C | 10.2°C | 29 mm | under 1 cm |
| November | 7.3°C | −0.3°C | 3.6°C | 28 mm | 8 cm |
| December | 2.0°C | −3.4°C | −0.7°C | 30 mm | 20 cm |
| Year | 16.7°C | 4.6°C | 10.7°C | 344 mm | 62 cm |
March has run from −13.4°C to 25.4°C in thirty years
From one year to the next, February’s average typically shifts by 2.4°C around its normal of 1.4°C, the widest of any month, while August’s shifts by 1.0°C.
Where Electoral Area A, Okanagan-Similkameen’s numbers come from
Averages over 30 years, not a forecast.
- Normals: 1991–2020 normals for Osoyoos from ECCC’s climate data site, the nearest location with every month of temperature.
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- Comparisons: every place of 2,500+ in Canada but the city hubs and the reserves, each on its nearest ECCC location.
- 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 Electoral Area A, Okanagan-Similkameen’s climate
How warm does Electoral Area A, Okanagan-Similkameen get in summer?
Midsummer means July, with afternoons near 31.6°C on a typical day.
How cold does Electoral Area A, Okanagan-Similkameen get in winter?
Midwinter means January, when a typical night reaches −3.8°C.
How much rain and snow does Electoral Area A, Okanagan-Similkameen get?
Measured as water, a year brings 344 mm: 44 mm in June, the wettest month, and 19 mm in February, the driest.
Are these figures for Electoral Area A, Okanagan-Similkameen itself?
Not as such: Osoyoos is the nearest normals location, and Electoral Area A, Okanagan-Similkameen has none.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Electoral Area A, Okanagan-Similkameen →
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).