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Saanich, British Columbia climate
Csb Warm-summer Mediterranean
Saanich has a mildly seasonal cool-temperate climate (Warm-summer Mediterranean, Köppen Csb). The hottest month is July with an average daily high near 22°C, while the coldest is December averaging around 2°C at night. Precipitation totals about 921 mm a year and is strongly seasonal — January alone averages 152 mm while July barely receives 18 mm. Light snow accumulates each winter (22 cm of snow per year on average).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Saanich climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 10 | 13 | 17 | 20 | 22 | 22 | 19 | 14 | 10 | 7 |
| Avg temp (°C) | 5 | 5 | 7 | 9 | 13 | 15 | 17 | 17 | 15 | 10 | 7 | 5 |
| Avg low (°C) | 2 | 2 | 3 | 5 | 8 | 10 | 12 | 12 | 10 | 7 | 4 | 2 |
| Precipitation (mm) | 152 | 89 | 81 | 53 | 38 | 29 | 18 | 25 | 42 | 105 | 147 | 142 |
| Snowfall (cm) | 6 | 6 | 1 | 0 | — | — | — | — | — | 0 | 1 | 6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 10 | 13 | 17 | 20 |
| Avg temp (°C) | 5 | 5 | 7 | 9 | 13 | 15 |
| Avg low (°C) | 2 | 2 | 3 | 5 | 8 | 10 |
| Precipitation (mm) | 152 | 89 | 81 | 53 | 38 | 29 |
| Snowfall (cm) | 6 | 6 | 1 | 0 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 22 | 19 | 14 | 10 | 7 |
| Avg temp (°C) | 17 | 17 | 15 | 10 | 7 | 5 |
| Avg low (°C) | 12 | 12 | 10 | 7 | 4 | 2 |
| Precipitation (mm) | 18 | 25 | 42 | 105 | 147 | 142 |
| Snowfall (cm) | — | — | — | 0 | 1 | 6 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 74 | 76 | 73 | 68 | 66 | 48 | 49 | 53 | 69 | 77 | 80 |
| Relative humidity (%) | 87 | 84 | 82 | 80 | 79 | 78 | 75 | 74 | 76 | 83 | 86 | 86 |
| Wind speed (km/h) | 10.6 | 9.9 | 9.0 | 7.8 | 6.9 | 7.1 | 6.9 | 6.3 | 5.6 | 7.4 | 10.2 | 11.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 74 | 76 | 73 | 68 | 66 |
| Relative humidity (%) | 87 | 84 | 82 | 80 | 79 | 78 |
| Wind speed (km/h) | 10.6 | 9.9 | 9.0 | 7.8 | 6.9 | 7.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 48 | 49 | 53 | 69 | 77 | 80 |
| Relative humidity (%) | 75 | 74 | 76 | 83 | 86 | 86 |
| Wind speed (km/h) | 6.9 | 6.3 | 5.6 | 7.4 | 10.2 | 11.4 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Saanichton Cda, a weather station, about 9 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.