Photo: Earth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center · Public domainHardly any Canadian towns see hotter July days than Electoral Area I, Okanagan-Similkameen
January nights here settle around −3.2°C. Of all months, June brings the most precipitation and February the least. Precipitation is light here, less than falls on almost every Canadian town. Homes need heating from October to April, the months averaging under 10°C.
No ECCC station in Electoral Area I, Okanagan-Similkameen has 1991–2020 normals; the page reads Penticton, 8.5 km north, instead.
A year in Electoral Area I, Okanagan-Similkameen at a glance
Each month’s typical high and low, in °C.
What stands out about Electoral Area I, 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 I, Okanagan-Similkameen feels like
Seasons and months as ECCC’s 1991–2020 normals give them: a typical day’s high and low.
Frost on 109 days, 20°C on 133
Frost comes from October to April, most of all in December (about 21 nights). Heat of 30°C or more comes on about 29 days a year.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
About 344 mm of rain and snow a year
About 75 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
62 cm of snow in a typical year
The snow season runs November to March; December brings the most, about 20 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Electoral Area I, Okanagan-Similkameen
92% of a year’s heating need falls between October and April. Months averaging under 10°C: October to April.
A day averaging 10 degrees under 18°C adds 10 to the total; warm days add nothing. In heating terms, homes need less heating than 93% of Canadian towns.
Living with Electoral Area I, Okanagan-Similkameen’s climate
What the normals mean for a garden, a day outside and the depth of winter.
From about 30 April to 8 October the garden is usually clear of frost, some 160 days.
Highs of 17–27°C with nights of 8°C or more come in Jun and Sep.
Parks & trails →Frostbite weather, a wind chill under −20, turns up on about 4 days a year.
A humidex above 30 marks about 38 days in a normal year.
Averages smooth over blizzards, ice storms, floods and heat waves; Electoral Area I, Okanagan-Similkameen’s hazards page covers the risks.
Flood & hazards →ECCC’s normals location: Penticton
Behind the 1991–2020 normals for Penticton are 2 stations, which ECCC combines into one record.
| Distance from the town | 8.5 km north |
| Station altitude | 344 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −21.6°C |
| Hottest reading, 1991–2020 | 38.6°C |
| Average wind | 11.5 km/h on average, most often from the north |
| Next-nearest location | Osoyoos, 41 km |
How Electoral Area I, Okanagan-Similkameen 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
The nearest places on a normals location of their own: those that share Electoral Area I, Okanagan-Similkameen’s would only repeat its figures. The one place listed is 19 km from Electoral Area I, Okanagan-Similkameen, the nearest with figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Electoral Area I, Okanagan-Similkameen Penticton | 29.2°C | −3.2°C | 344 mm |
| Electoral Area C, Okanagan-Similkameen 19 km · Osoyoos | 31.6°C 2.4°C warmer | −3.8°C 0.6°C colder | 344 mm |
Electoral Area I, Okanagan-Similkameen 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 | 1.6°C | −3.2°C | −0.8°C | 28 mm | 19 cm |
| February | 4.6°C | −3.1°C | 0.8°C | 19 mm | 9 cm |
| March | 10.2°C | −0.6°C | 4.9°C | 23 mm | 5 cm |
| April | 15.7°C | 2.4°C | 9.1°C | 26 mm | 1 cm |
| May | 21.4°C | 7.1°C | 14.3°C | 38 mm | 0 cm |
| June | 24.6°C | 10.6°C | 17.6°C | 44 mm | 0 cm |
| July | 29.2°C | 13.5°C | 21.4°C | 28 mm | 0 cm |
| August | 28.4°C | 12.8°C | 20.6°C | 27 mm | 0 cm |
| September | 22.6°C | 8.5°C | 15.6°C | 25 mm | 0 cm |
| October | 14.3°C | 3.5°C | 8.9°C | 29 mm | under 1 cm |
| November | 6.7°C | 0.0°C | 3.4°C | 28 mm | 8 cm |
| December | 2.1°C | −2.8°C | −0.4°C | 30 mm | 20 cm |
| Year | 15.1°C | 4.1°C | 9.6°C | 344 mm | 62 cm |
The most changeable month: February, give or take 2.4°C; the steadiest, August
Bars run from each month’s record low to its record high since 1991. May spans the most, from −4.2°C (2013) to 33.8°C (2006).
Where Electoral Area I, Okanagan-Similkameen’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Penticton, 1991–2020, chosen as the nearest location with a full temperature record.
- Comparisons: all Canadian places of 2,500 or more except city totals and reserves, each read the same way.
- 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 Electoral Area I, Okanagan-Similkameen’s climate
How warm does Electoral Area I, Okanagan-Similkameen get in summer?
Midsummer means July, with afternoons near 29.2°C on a typical day.
How cold does Electoral Area I, Okanagan-Similkameen get in winter?
Overnight lows average −3.2°C in January, the coldest month.
How much rain and snow does Electoral Area I, Okanagan-Similkameen get?
Rain and snow add up to about 344 mm of water a year; June brings the most (44 mm), February the least (19 mm).
How long does snow stay on the ground?
About 25 days a year count as snow-covered, with 1 cm or more.
Are these figures for Electoral Area I, Okanagan-Similkameen itself?
The figures are ECCC’s for Penticton; Electoral Area I, Okanagan-Similkameen has no normals station.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Electoral Area I, 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).