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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 66°F, while the coldest is January averaging around 38°F at night. Around 52 inches of precipitation falls each year, peaking in November (6.4 inches) and easing off in June (3.0 inches). 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 (°F) | 46 | 47 | 50 | 54 | 59 | 63 | 66 | 66 | 63 | 57 | 51 | 47 |
| Avg temp (°F) | 42 | 42 | 44 | 48 | 52 | 56 | 60 | 59 | 56 | 52 | 47 | 43 |
| Avg low (°F) | 38 | 37 | 39 | 41 | 45 | 50 | 53 | 53 | 50 | 46 | 42 | 39 |
| Precipitation (in) | 5.5 | 4.1 | 3.6 | 3.1 | 3.0 | 3.0 | 3.5 | 4.3 | 3.7 | 5.7 | 6.4 | 6.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 46 | 47 | 50 | 54 | 59 | 63 |
| Avg temp (°F) | 42 | 42 | 44 | 48 | 52 | 56 |
| Avg low (°F) | 38 | 37 | 39 | 41 | 45 | 50 |
| Precipitation (in) | 5.5 | 4.1 | 3.6 | 3.1 | 3.0 | 3.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 66 | 66 | 63 | 57 | 51 | 47 |
| Avg temp (°F) | 60 | 59 | 56 | 52 | 47 | 43 |
| Avg low (°F) | 53 | 53 | 50 | 46 | 42 | 39 |
| Precipitation (in) | 3.5 | 4.3 | 3.7 | 5.7 | 6.4 | 6.3 |
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.