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St Austell, England climate
Cfb Oceanic / temperate
St Austell has a mildly seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 19°C, while the coldest is January averaging around 3°C at night. Around 1329 mm of precipitation falls each year, peaking in November (164 mm) and easing off in June (76 mm). At latitude 50°N, day length swings from 7.8 hours in midwinter to 16.2 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)St Austell climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 8 | 8 | 10 | 12 | 15 | 17 | 19 | 19 | 17 | 14 | 11 | 9 |
| Avg temp (°C) | 6 | 6 | 7 | 9 | 11 | 14 | 15 | 15 | 14 | 11 | 8 | 6 |
| Avg low (°C) | 3 | 3 | 4 | 5 | 7 | 10 | 12 | 12 | 10 | 8 | 6 | 4 |
| Precipitation (mm) | 140 | 105 | 91 | 79 | 77 | 76 | 90 | 109 | 93 | 146 | 164 | 160 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 8 | 8 | 10 | 12 | 15 | 17 |
| Avg temp (°C) | 6 | 6 | 7 | 9 | 11 | 14 |
| Avg low (°C) | 3 | 3 | 4 | 5 | 7 | 10 |
| Precipitation (mm) | 140 | 105 | 91 | 79 | 77 | 76 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 19 | 19 | 17 | 14 | 11 | 9 |
| Avg temp (°C) | 15 | 15 | 14 | 11 | 8 | 6 |
| Avg low (°C) | 12 | 12 | 10 | 8 | 6 | 4 |
| Precipitation (mm) | 90 | 109 | 93 | 146 | 164 | 160 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 76 | 72 | 67 | 66 | 67 | 69 | 70 | 67 | 73 | 76 | 76 |
| Relative humidity (%) | 90 | 89 | 89 | 86 | 85 | 85 | 85 | 85 | 86 | 88 | 89 | 90 |
| Wind speed (mph) | 12.2 | 11.7 | 10.8 | 9.6 | 9.1 | 8.7 | 8.5 | 8.7 | 9.3 | 10.7 | 11.3 | 12.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 77 | 76 | 72 | 67 | 66 | 67 |
| Relative humidity (%) | 90 | 89 | 89 | 86 | 85 | 85 |
| Wind speed (mph) | 12.2 | 11.7 | 10.8 | 9.6 | 9.1 | 8.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 70 | 67 | 73 | 76 | 76 |
| Relative humidity (%) | 85 | 85 | 86 | 88 | 89 | 90 |
| Wind speed (mph) | 8.5 | 8.7 | 9.3 | 10.7 | 11.3 | 12.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 28 years of daily observations at Cardinham Bodmin, a weather station, about 19 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.