Hardly any Canadian towns wake to less frost than Tsawwassen
The warmest part of a July day comes in at 22.4°C on average. By July afternoons alone, it runs cooler than 96% of Canadian towns. From frozen January to warm July, readings climb 21°C. Have the furnace checked before November to April, the months that average under 10°C.
These are not Tsawwassen’s own readings: ECCC keeps no normals there, so the page uses Vancouver International (Airport), 18 km north.
A year in Tsawwassen at a glance
Each month’s typical high and low, in °C.
What stands out about Tsawwassen’s climate
Compared with Canadian towns, with its place among towns of 2,500+ in British Columbia beside it.
What a year in Tsawwassen feels like
Typical highs and lows by season and by month, from ECCC’s 1991–2020 normals.
Frost on 40 days, 20°C on 79
Frost comes from November to March, most of all in January (about 10 nights).
Frost days by month
Average days at 0°C or below
Days above 20°C by month
Average days
Rain and melted snow: about 1,160 mm a year
About 137 days a year bring 1 mm or more.
Rain and snow by month
Millimetres
Rain alone by month
Millimetres
About 37 cm of snow a year
The snow season runs November to March; December brings the most, about 14 cm.
Snowfall by month
Centimetres
Snow on the ground by month
Centimetres at month’s end
Heating a home in Tsawwassen
87% 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 97% of Canadian towns.
Living with Tsawwassen’s climate
The averages read for the garden, the outdoors and the coldest and hottest days.
About 235 days a year pass without frost, from an average last frost of 19 March to a first of 10 November.
Highs of 17–27°C with nights of 8°C or more come in Jun, Jul, Aug and Sep.
Parks & trails →Count on some 6 humid days a year with the humidex past 30.
For the weather that does damage, from ice storms to floods, see Tsawwassen’s hazards page.
Flood & hazards →ECCC’s normals location: Vancouver International (Airport)
Behind the 1991–2020 normals for Vancouver International (Airport) are 2 stations, which ECCC combines into one record.
| Distance from the town | 18 km north |
| Station altitude | 4 m |
| Completeness | at least 25 years |
| WMO standard normals | No |
| Coldest reading, 1991–2020 | −15.2°C |
| Hottest reading, 1991–2020 | 34.4°C |
| Average wind | 13.0 km/h on average, most often from the east |
| Next-nearest location | Saturna CAPMON, 29 km |
How Tsawwassen 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 Tsawwassen whose figures come from another normals location.
| Town | July high | January low | Rain & snow |
|---|---|---|---|
| Tsawwassen Vancouver International (Airport) | 22.4°C | 1.4°C | 1,160 mm |
| Delta 11 km · Vancouver International (Airport) | 22.4°C about the same | 1.4°C about the same | 1,160 mm |
| Crescent Heights 17 km · Pitt Meadows | 25.0°C 2.6°C warmer | 0.5°C 0.9°C colder | 1,649 mm |
Tsawwassen 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 | 6.8°C | 1.4°C | 4.1°C | 174 mm | 12 cm |
| February | 7.9°C | 1.5°C | 4.7°C | 91 mm | 5 cm |
| March | 10.1°C | 3.3°C | 6.7°C | 106 mm | 3 cm |
| April | 13.1°C | 5.7°C | 9.4°C | 86 mm | under 1 cm |
| May | 16.9°C | 9.0°C | 13.0°C | 59 mm | 0 cm |
| June | 19.6°C | 11.9°C | 15.8°C | 51 mm | 0 cm |
| July | 22.4°C | 13.9°C | 18.2°C | 34 mm | 0 cm |
| August | 22.4°C | 14.0°C | 18.2°C | 36 mm | 0 cm |
| September | 19.1°C | 11.2°C | 15.2°C | 52 mm | 0 cm |
| October | 13.5°C | 7.0°C | 10.3°C | 124 mm | under 1 cm |
| November | 9.3°C | 3.6°C | 6.4°C | 175 mm | 3 cm |
| December | 6.6°C | 1.2°C | 3.9°C | 172 mm | 14 cm |
| Year | 14.0°C | 7.0°C | 10.5°C | 1,160 mm | 37 cm |
December: −15.2°C at its coldest, 14.3°C at its warmest
Year to year, January varies most (a standard deviation of 1.7°C around 4.1°C) and August least (0.7°C).
Where Tsawwassen’s numbers come from
Averages over 30 years, not a forecast.
- Normals: the closest ECCC location with twelve months of temperature normals, Vancouver International (Airport), 1991–2020.
- Comparisons: Canada’s towns and neighbourhoods of 2,500+ (no city totals, no reserves), each through its own nearest location.
- Not on this page: sunshine (no 1991–2020 normals exist for it) and any altitude adjustment, since there is no elevation for the town itself.
Canadian Climate Normals 1991–2020 · ECCC Data Services End-use Licence. Data Source: Environment and Climate Change Canada
Questions about Tsawwassen’s climate
How warm does Tsawwassen get in summer?
Of all twelve months, July has the warmest afternoons, about 22.4°C.
How cold does Tsawwassen get in winter?
Expect nights around 1.2°C in December; no month is colder.
How much rain and snow does Tsawwassen get?
The year adds up to 1,160 mm. November is the peak month (175 mm) and July the low one (34 mm).
How long does snow stay on the ground?
Count on about 8 days of snow cover a year, 1 cm or deeper.
Are these figures for Tsawwassen itself?
No. ECCC measures normals at Vancouver International (Airport), not in Tsawwassen; the page uses the nearest it has.
Data Source: Environment and Climate Change Canada · ECCC Data Services End-use Licence Today’s forecast for Tsawwassen →
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).