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Cancale, Brittany climate
Cfb Oceanic / temperate
Cancale has a mildly seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is August with an average daily high near 71°F, while the coldest is January averaging around 41°F at night. Around 28 inches of precipitation falls each year, peaking in November (3.4 inches) and easing off in July (1.7 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)Cancale climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 49 | 50 | 53 | 57 | 61 | 66 | 70 | 71 | 68 | 62 | 55 | 50 |
| Avg temp (°F) | 45 | 45 | 48 | 51 | 56 | 61 | 64 | 65 | 62 | 57 | 51 | 46 |
| Avg low (°F) | 41 | 41 | 43 | 46 | 50 | 55 | 58 | 59 | 56 | 52 | 46 | 42 |
| Precipitation (in) | 2.5 | 2.1 | 1.8 | 1.9 | 2.0 | 1.9 | 1.7 | 2.0 | 2.1 | 3.1 | 3.4 | 3.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 49 | 50 | 53 | 57 | 61 | 66 |
| Avg temp (°F) | 45 | 45 | 48 | 51 | 56 | 61 |
| Avg low (°F) | 41 | 41 | 43 | 46 | 50 | 55 |
| Precipitation (in) | 2.5 | 2.1 | 1.8 | 1.9 | 2.0 | 1.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 70 | 71 | 68 | 62 | 55 | 50 |
| Avg temp (°F) | 64 | 65 | 62 | 57 | 51 | 46 |
| Avg low (°F) | 58 | 59 | 56 | 52 | 46 | 42 |
| Precipitation (in) | 1.7 | 2.0 | 2.1 | 3.1 | 3.4 | 3.3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 72 | 69 | 66 | 66 | 64 | 62 | 62 | 60 | 68 | 71 | 71 |
| Relative humidity (%) | 90 | 87 | 85 | 82 | 81 | 81 | 80 | 80 | 80 | 85 | 88 | 90 |
| Wind speed (mph) | 10.3 | 9.9 | 9.1 | 8.4 | 7.9 | 7.3 | 7.2 | 7.1 | 7.9 | 9.0 | 9.6 | 10.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 72 | 69 | 66 | 66 | 64 |
| Relative humidity (%) | 90 | 87 | 85 | 82 | 81 | 81 |
| Wind speed (mph) | 10.3 | 9.9 | 9.1 | 8.4 | 7.9 | 7.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 62 | 62 | 60 | 68 | 71 | 71 |
| Relative humidity (%) | 80 | 80 | 80 | 85 | 88 | 90 |
| Wind speed (mph) | 7.2 | 7.1 | 7.9 | 9.0 | 9.6 | 10.2 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Saint-cast-le-g, a weather station, about 29 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.