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Riley Park, British Columbia climate
Csb Warm-summer Mediterranean
Riley Park has a mildly seasonal cool-temperate climate (Warm-summer Mediterranean, Köppen Csb). The hottest month is July with an average daily high near 73°F, while the coldest is December averaging around 38°F at night. Precipitation totals about 60 inches a year and is strongly seasonal — November alone averages 9.6 inches while July barely receives 1.53 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 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)Riley Park climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 45 | 47 | 51 | 57 | 64 | 68 | 73 | 73 | 67 | 57 | 49 | 45 |
| Avg temp (°F) | 42 | 43 | 46 | 51 | 57 | 62 | 66 | 66 | 60 | 52 | 45 | 41 |
| Avg low (°F) | 38 | 38 | 40 | 44 | 50 | 55 | 59 | 59 | 54 | 47 | 41 | 38 |
| Precipitation (in) | 8.8 | 4.6 | 6.4 | 4.5 | 2.9 | 2.4 | 1.5 | 1.8 | 3.0 | 6.2 | 9.6 | 8.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 45 | 47 | 51 | 57 | 64 | 68 |
| Avg temp (°F) | 42 | 43 | 46 | 51 | 57 | 62 |
| Avg low (°F) | 38 | 38 | 40 | 44 | 50 | 55 |
| Precipitation (in) | 8.8 | 4.6 | 6.4 | 4.5 | 2.9 | 2.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 73 | 73 | 67 | 57 | 49 | 45 |
| Avg temp (°F) | 66 | 66 | 60 | 52 | 45 | 41 |
| Avg low (°F) | 59 | 59 | 54 | 47 | 41 | 38 |
| Precipitation (in) | 1.5 | 1.8 | 3.0 | 6.2 | 9.6 | 8.0 |
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 (%) | 94 | 92 | 90 | 84 | 78 | 78 | 77 | 78 | 80 | 85 | 91 | 94 |
| Wind speed (mph) | 2.2 | 2.1 | 2.0 | 1.7 | 1.3 | 1.2 | 1.1 | 1.2 | 1.4 | 1.7 | 2.0 | 2.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 73 | 77 | 75 | 70 | 70 |
| Relative humidity (%) | 94 | 92 | 90 | 84 | 78 | 78 |
| Wind speed (mph) | 2.2 | 2.1 | 2.0 | 1.7 | 1.3 | 1.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 52 | 51 | 55 | 71 | 77 | 77 |
| Relative humidity (%) | 77 | 78 | 80 | 85 | 91 | 94 |
| Wind speed (mph) | 1.1 | 1.2 | 1.4 | 1.7 | 2.0 | 2.2 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Vancouver Harbour CS, a weather station, about 7 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.