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Courtenay, British Columbia climate
Csb Warm-summer Mediterranean
Courtenay has a seasonal cool-temperate climate (Warm-summer Mediterranean, Köppen Csb). The hottest month is July with an average daily high near 77°F, while the coldest is January averaging around 31°F at night. Precipitation totals about 55 inches a year and is strongly seasonal — November alone averages 9.0 inches while July barely receives 1.20 inches. Light snow accumulates each winter (13 inches 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)Courtenay climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 43 | 46 | 51 | 58 | 66 | 71 | 77 | 77 | 70 | 57 | 48 | 42 |
| Avg temp (°F) | 37 | 39 | 42 | 47 | 55 | 60 | 65 | 65 | 58 | 49 | 41 | 37 |
| Avg low (°F) | 31 | 31 | 33 | 37 | 43 | 49 | 53 | 53 | 46 | 40 | 35 | 32 |
| Precipitation (in) | 8.7 | 5.1 | 5.2 | 3.2 | 1.9 | 2.1 | 1.2 | 1.6 | 2.4 | 6.1 | 9.0 | 8.5 |
| Snowfall (in) | 3.8 | 2.6 | 2.4 | — | — | — | — | — | — | 0.0 | 1.0 | 3.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 43 | 46 | 51 | 58 | 66 | 71 |
| Avg temp (°F) | 37 | 39 | 42 | 47 | 55 | 60 |
| Avg low (°F) | 31 | 31 | 33 | 37 | 43 | 49 |
| Precipitation (in) | 8.7 | 5.1 | 5.2 | 3.2 | 1.9 | 2.1 |
| Snowfall (in) | 3.8 | 2.6 | 2.4 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 77 | 77 | 70 | 57 | 48 | 42 |
| Avg temp (°F) | 65 | 65 | 58 | 49 | 41 | 37 |
| Avg low (°F) | 53 | 53 | 46 | 40 | 35 | 32 |
| Precipitation (in) | 1.2 | 1.6 | 2.4 | 6.1 | 9.0 | 8.5 |
| Snowfall (in) | — | — | — | 0.0 | 1.0 | 3.4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 71 | 75 | 72 | 68 | 67 | 51 | 52 | 54 | 68 | 74 | 77 |
| Relative humidity (%) | 94 | 90 | 87 | 82 | 79 | 79 | 79 | 80 | 83 | 88 | 93 | 95 |
| Wind speed (mph) | 1.4 | 1.4 | 1.4 | 1.3 | 1.1 | 1.0 | 1.0 | 1.0 | 1.2 | 1.4 | 1.4 | 1.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 71 | 75 | 72 | 68 | 67 |
| Relative humidity (%) | 94 | 90 | 87 | 82 | 79 | 79 |
| Wind speed (mph) | 1.4 | 1.4 | 1.4 | 1.3 | 1.1 | 1.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 51 | 52 | 54 | 68 | 74 | 77 |
| Relative humidity (%) | 79 | 80 | 83 | 88 | 93 | 95 |
| Wind speed (mph) | 1.0 | 1.0 | 1.2 | 1.4 | 1.4 | 1.4 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 27 years of daily observations at Courtenay Puntledge, 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.