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Coity, Wales climate
Cfb Oceanic / temperate
Coity has a mildly seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 20°C, while the coldest is February averaging around 4°C at night. Around 973 mm of precipitation falls each year, peaking in November (114 mm) and easing off in April (52 mm). At latitude 52°N, day length swings from 7.6 hours in midwinter to 16.4 hours at midsummer.
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)Coity climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 8 | 8 | 10 | 12 | 15 | 18 | 20 | 19 | 18 | 15 | 11 | 9 |
| Avg temp (°C) | 6 | 6 | 7 | 10 | 12 | 15 | 17 | 17 | 15 | 12 | 9 | 7 |
| Avg low (°C) | 5 | 4 | 5 | 7 | 9 | 12 | 14 | 14 | 12 | 10 | 7 | 5 |
| Precipitation (mm) | 105 | 70 | 67 | 52 | 64 | 60 | 73 | 84 | 69 | 103 | 114 | 111 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 8 | 8 | 10 | 12 | 15 | 18 |
| Avg temp (°C) | 6 | 6 | 7 | 10 | 12 | 15 |
| Avg low (°C) | 5 | 4 | 5 | 7 | 9 | 12 |
| Precipitation (mm) | 105 | 70 | 67 | 52 | 64 | 60 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 20 | 19 | 18 | 15 | 11 | 9 |
| Avg temp (°C) | 17 | 17 | 15 | 12 | 9 | 7 |
| Avg low (°C) | 14 | 14 | 12 | 10 | 7 | 5 |
| Precipitation (mm) | 73 | 84 | 69 | 103 | 114 | 111 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 77 | 76 | 73 | 72 | 73 | 71 | 73 | 71 | 76 | 79 | 79 |
| Relative humidity (%) | 91 | 90 | 88 | 85 | 83 | 84 | 84 | 85 | 85 | 87 | 89 | 91 |
| Wind speed (mph) | 12.0 | 11.4 | 10.4 | 9.1 | 8.7 | 8.3 | 8.3 | 8.7 | 9.4 | 10.9 | 11.2 | 11.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 77 | 76 | 73 | 72 | 73 |
| Relative humidity (%) | 91 | 90 | 88 | 85 | 83 | 84 |
| Wind speed (mph) | 12.0 | 11.4 | 10.4 | 9.1 | 8.7 | 8.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 71 | 73 | 71 | 76 | 79 | 79 |
| Relative humidity (%) | 84 | 85 | 85 | 87 | 89 | 91 |
| Wind speed (mph) | 8.3 | 8.7 | 9.4 | 10.9 | 11.2 | 11.9 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 25 years of daily observations at Mumbles Head, a weather station, about 30 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.