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Chester, England climate
Cfb Oceanic / temperate
Chester has a mildly seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 21°C, while the coldest is January averaging around 2°C at night. Precipitation is fairly even year-round, totalling about 630 mm. At latitude 53°N, day length swings from 7.3 hours in midwinter to 16.7 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)Chester climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 8 | 9 | 11 | 14 | 17 | 19 | 21 | 21 | 19 | 15 | 11 | 8 |
| Avg temp (°C) | 5 | 5 | 7 | 9 | 12 | 15 | 16 | 16 | 14 | 11 | 8 | 5 |
| Avg low (°C) | 2 | 2 | 3 | 4 | 7 | 10 | 12 | 12 | 9 | 7 | 4 | 2 |
| Precipitation (mm) | 51 | 44 | 42 | 41 | 46 | 56 | 56 | 50 | 53 | 65 | 62 | 65 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 8 | 9 | 11 | 14 | 17 | 19 |
| Avg temp (°C) | 5 | 5 | 7 | 9 | 12 | 15 |
| Avg low (°C) | 2 | 2 | 3 | 4 | 7 | 10 |
| Precipitation (mm) | 51 | 44 | 42 | 41 | 46 | 56 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 21 | 19 | 15 | 11 | 8 |
| Avg temp (°C) | 16 | 16 | 14 | 11 | 8 | 5 |
| Avg low (°C) | 12 | 12 | 9 | 7 | 4 | 2 |
| Precipitation (mm) | 56 | 50 | 53 | 65 | 62 | 65 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 79 | 78 | 76 | 73 | 76 | 75 | 76 | 75 | 78 | 80 | 79 |
| Relative humidity (%) | 94 | 92 | 89 | 85 | 82 | 82 | 83 | 84 | 86 | 90 | 94 | 95 |
| Wind speed (mph) | 7.5 | 7.6 | 7.1 | 6.2 | 6.0 | 5.6 | 5.5 | 5.6 | 5.8 | 6.5 | 6.6 | 7.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 79 | 79 | 78 | 76 | 73 | 76 |
| Relative humidity (%) | 94 | 92 | 89 | 85 | 82 | 82 |
| Wind speed (mph) | 7.5 | 7.6 | 7.1 | 6.2 | 6.0 | 5.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 76 | 75 | 78 | 80 | 79 |
| Relative humidity (%) | 83 | 84 | 86 | 90 | 94 | 95 |
| Wind speed (mph) | 5.5 | 5.6 | 5.8 | 6.5 | 6.6 | 7.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Hawarden, a weather station, about 6 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.