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Richmond, British Columbia climate
Csb Warm-summer Mediterranean
Richmond has a seasonal cool-temperate climate (Warm-summer Mediterranean, Köppen Csb). The hottest month is July with an average daily high near 25°C, while the coldest is December averaging around 1°C at night. Precipitation totals about 1243 mm a year and is strongly seasonal — November alone averages 182 mm while July barely receives 33 mm. Light snow accumulates each winter (28 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)Richmond climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 9 | 12 | 15 | 19 | 22 | 25 | 24 | 21 | 15 | 10 | 7 |
| Avg temp (°C) | 4 | 5 | 7 | 10 | 14 | 16 | 19 | 19 | 15 | 10 | 6 | 4 |
| Avg low (°C) | 1 | 1 | 3 | 5 | 8 | 11 | 13 | 13 | 10 | 6 | 3 | 1 |
| Precipitation (mm) | 181 | 102 | 121 | 95 | 64 | 55 | 33 | 39 | 68 | 127 | 182 | 178 |
| Snowfall (cm) | 9 | 5 | 2 | 1 | — | — | — | — | — | 0 | 3 | 7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 9 | 12 | 15 | 19 | 22 |
| Avg temp (°C) | 4 | 5 | 7 | 10 | 14 | 16 |
| Avg low (°C) | 1 | 1 | 3 | 5 | 8 | 11 |
| Precipitation (mm) | 181 | 102 | 121 | 95 | 64 | 55 |
| Snowfall (cm) | 9 | 5 | 2 | 1 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 24 | 21 | 15 | 10 | 7 |
| Avg temp (°C) | 19 | 19 | 15 | 10 | 6 | 4 |
| Avg low (°C) | 13 | 13 | 10 | 6 | 3 | 1 |
| Precipitation (mm) | 33 | 39 | 68 | 127 | 182 | 178 |
| Snowfall (cm) | — | — | — | 0 | 3 | 7 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 73 | 77 | 75 | 70 | 70 | 52 | 51 | 55 | 71 | 77 | 77 |
| Relative humidity (%) | 88 | 84 | 83 | 79 | 77 | 77 | 76 | 76 | 78 | 83 | 87 | 87 |
| Wind speed (km/h) | 8.4 | 8.0 | 7.2 | 5.9 | 4.5 | 4.4 | 3.6 | 3.5 | 4.1 | 6.0 | 8.1 | 9.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 73 | 77 | 75 | 70 | 70 |
| Relative humidity (%) | 88 | 84 | 83 | 79 | 77 | 77 |
| Wind speed (km/h) | 8.4 | 8.0 | 7.2 | 5.9 | 4.5 | 4.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 52 | 51 | 55 | 71 | 77 | 77 |
| Relative humidity (%) | 76 | 76 | 78 | 83 | 87 | 87 |
| Wind speed (km/h) | 3.6 | 3.5 | 4.1 | 6.0 | 8.1 | 9.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 27 years of daily observations at Richmond Nature Park, a weather station, about 3 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.