Photo: D&J Huber from Canada · CC BY 2.0Few Canadian towns have milder winter nights than Electoral Area G, Cowichan Valley
Peak summer warmth arrives in July, with afternoons near 22.7°C. Its July afternoons stay fresher than in 94% of Canadian towns. Temperatures cover 21°C across the year, low to high. Have the furnace checked before November to April, the months that average under 10°C.
Borrowed figures: Electoral Area G, Cowichan Valley has no normals station, so these come from Victoria (Airport), 42 km south-east.
A year in Electoral Area G, Cowichan Valley at a glance
Each month’s typical high and low, in °C.
What stands out about Electoral Area G, Cowichan Valley’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 G, Cowichan Valley feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
About 45 frosts and 83 warm days a year
Frosts fall from November to April; January has the most, about 10.
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
901 mm of precipitation in a typical year
The most falls in January, the least in July. On about 119 days a year, 1 mm or more falls.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 39 cm of snow a year
The snow season runs November to March; December brings the most, about 12 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Electoral Area G, Cowichan Valley
84% of a year’s heating need falls between October and April. Months averaging under 10°C: November 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 95% of Canadian towns.
Living with Electoral Area G, Cowichan Valley’s climate
What the normals mean for a garden, a day outside and the depth of winter.
A normal year gives the garden about 213 frost-free days, roughly 4 April to 4 November.
The comfortable months for a day outside, highs of 17–27°C and nights of 8°C or more: Jun, Jul, Aug and Sep.
Parks & trails →Humid heat, a humidex over 30, comes on about 6 days a year.
Bad-weather days, from blizzards to floods, get their own page for Electoral Area G, Cowichan Valley: the hazards page.
Flood & hazards →ECCC’s normals location: Victoria (Airport)
Victoria (Airport) is a composite: ECCC joins 2 stations’ readings to make its 1991–2020 normals.
| Distance from the town | 42 km south-east |
| Station altitude | 20 m |
| Completeness | meets the WMO “3 and 5” rule |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −10.5°C |
| Hottest reading, 1991–2020 | 36.3°C |
| Average wind | 9.7 km/h on average, most often from the west |
| Next-nearest location | Vancouver International (Airport), 50 km |
How Electoral Area G, Cowichan Valley 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
The nearest places on a normals location of their own: those that share Electoral Area G, Cowichan Valley’s would only repeat its figures.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Electoral Area G, Cowichan Valley Victoria (Airport) | 22.7°C | 1.6°C | 901 mm |
| Ladysmith 5.5 km · Victoria (Airport) | 22.7°C about the same | 1.6°C about the same | 901 mm |
| Electoral Area H, Cowichan Valley 9.4 km · Vancouver International (Airport) | 22.4°C about the same | 1.4°C about the same | 1,160 mm |
Electoral Area G, Cowichan Valley 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 | 7.5°C | 1.6°C | 4.6°C | 155 mm | 11 cm |
| February | 8.7°C | 1.4°C | 5.0°C | 85 mm | 7 cm |
| March | 10.8°C | 2.7°C | 6.8°C | 80 mm | 4 cm |
| April | 13.7°C | 4.6°C | 9.1°C | 48 mm | 1 cm |
| May | 17.5°C | 7.6°C | 12.6°C | 37 mm | 0 cm |
| June | 20.2°C | 10.1°C | 15.2°C | 29 mm | 0 cm |
| July | 22.7°C | 11.7°C | 17.2°C | 20 mm | 0 cm |
| August | 22.6°C | 11.6°C | 17.1°C | 24 mm | 0 cm |
| September | 19.7°C | 9.2°C | 14.5°C | 36 mm | 0 cm |
| October | 14.3°C | 6.0°C | 10.2°C | 96 mm | under 1 cm |
| November | 9.9°C | 3.0°C | 6.5°C | 146 mm | 4 cm |
| December | 7.3°C | 1.5°C | 4.4°C | 146 mm | 12 cm |
| Year | 14.6°C | 5.9°C | 10.3°C | 901 mm | 39 cm |
A June here can run from 2.1°C to 33.5°C
February is the least predictable month: about two years in three its average lands within 1.5°C of the normal, 5.0°C. August is the steadiest, within 0.7°C.
Where Electoral Area G, Cowichan Valley’s numbers come from
Averages over 30 years, not a forecast.
- Normals: ECCC’s normals for Victoria (Airport), 1991–2020, chosen as the nearest location with a full temperature record.
- Comparisons: the towns and neighbourhoods of 2,500+ across Canada, each on its nearest normals location, without the city totals or the reserves.
- Not on this page: hours of sunshine, missing from the 1991–2020 normals, and a height correction: the town has no elevation on file.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Electoral Area G, Cowichan Valley’s climate
How warm does Electoral Area G, Cowichan Valley get in summer?
Afternoons average 22.7°C in July, the warmest time of year.
How cold does Electoral Area G, Cowichan Valley get in winter?
February nights average 1.4°C, the coldest of the year.
How much rain and snow does Electoral Area G, Cowichan Valley get?
Over twelve months, rain and melted snow come to 901 mm; the range runs from 20 mm in July to 155 mm in January.
How long does snow stay on the ground?
Snow covers the ground, 1 cm or more, on about 8 days a year.
Are these figures for Electoral Area G, Cowichan Valley itself?
No, the station behind them is Victoria (Airport), beyond Electoral Area G, Cowichan Valley’s boundary.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Electoral Area G, Cowichan Valley →
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).