Photo: GoToVan from Vancouver, Canada · CC BY 2.0Osoyoos sits near the top of Canadian towns for July heat
Midwinter brings lows of about −3.8°C. The wettest month is June; the driest is February. By precipitation alone, it ranks drier than almost every Canadian town. Expect about 111 frosty starts a year, days when the air falls to freezing.
Figures: ECCC’s 1991–2020 normals at Osoyoos (2.3 km east).
A year in Osoyoos at a glance
Each month’s typical high and low, in °C.
What stands out about Osoyoos’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in British Columbia beside it.
What a year in Osoyoos feels like
Each season’s and each month’s usual high and low, 1991–2020.
About 111 frosts and 152 warm days a year
Frost comes from October to April, most of all in December (about 24 nights). Heat of 30°C or more comes on about 53 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
Some 75 days a year see 1 mm of rain or snow or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
Osoyoos publishes no full year of precipitation or snowfall, so these figures, and the snow below, come from Penticton, 49 km away.
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
Heating a home in Osoyoos
94% of a year’s heating need falls between October and April. Months averaging under 10°C: November to March.
The count adds up, day by day, how far the mean temperature falls short of 18°C. Over a year, a home here needs less heating than 94% of Canadian towns.
Living with Osoyoos’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
Warm afternoons without cold nights, 17–27°C and 8°C or more, mark May, Jun and Sep.
Parks & trails →Wind chill falls below −20 on about 2 days a year: cover skin and dress in layers.
Humid heat, a humidex over 30, comes on about 56 days a year.
The normals describe a typical year, not its worst days; the hazards page covers Osoyoos’s.
Flood & hazards →ECCC’s normals location: Osoyoos
The page’s figures are ECCC’s 1991–2020 normals for Osoyoos, one of its 450 normals locations.
| Distance from the town | 2.3 km east |
| Station altitude | 283 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Precipitation from | Penticton, 49 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, 49 km |
How Osoyoos 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
Places around Osoyoos whose figures come from another normals location. The one place listed is 33 km from Osoyoos, the nearest with figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Osoyoos | 31.6°C | −3.8°C | 344 mm |
| Keremeos 33 km · Penticton | 29.2°C 2.4°C cooler | −3.2°C 0.6°C milder | 344 mm |
Osoyoos weather by month
Each month’s normals, 1991–2020: high, low, mean, precipitation and 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 |
February strays furthest from its normal year to year, by 2.4°C; August the least
Each bar spans a month’s coldest and warmest readings over thirty years; March’s run from −13.4°C in 2019 to 25.4°C in 1994.
Where Osoyoos’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Osoyoos, 1991–2020, chosen as the nearest location with a full temperature record.
- Other locations: precipitation and snowfall come from the nearest location that publishes all twelve months of them, as named above.
- Comparisons: Canadian towns and neighbourhoods of at least 2,500, each placed by its nearest location (city totals and reserves excluded).
- 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 Osoyoos’s climate
How warm does Osoyoos get in summer?
July is the warmest month, with average highs of 31.6°C.
How cold does Osoyoos get in winter?
A typical January night falls to −3.8°C, the year’s low point.
How much rain and snow does Osoyoos get?
Rain and snow, with snow counted as water, total 344 mm a year; June leads with 44 mm and February trails with 19 mm.
Are these figures for Osoyoos itself?
Yes. They were measured in Osoyoos, at ECCC’s own station there.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Osoyoos →
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).