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Eastbourne, England climate
Cfb Oceanic / temperate
Eastbourne has a mildly seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is August with an average daily high near 22°C, while the coldest is January averaging around 1°C at night. Around 850 mm of precipitation falls each year, peaking in December (103 mm) and easing off in June (50 mm). At latitude 51°N, day length swings from 7.7 hours in midwinter to 16.3 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)Eastbourne climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 8 | 8 | 11 | 14 | 17 | 19 | 21 | 22 | 19 | 15 | 11 | 8 |
| Avg temp (°C) | 5 | 5 | 7 | 9 | 12 | 15 | 17 | 17 | 14 | 11 | 7 | 5 |
| Avg low (°C) | 1 | 1 | 3 | 5 | 7 | 10 | 12 | 12 | 9 | 6 | 4 | 2 |
| Precipitation (mm) | 92 | 65 | 52 | 51 | 53 | 50 | 55 | 67 | 60 | 100 | 103 | 103 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 8 | 8 | 11 | 14 | 17 | 19 |
| Avg temp (°C) | 5 | 5 | 7 | 9 | 12 | 15 |
| Avg low (°C) | 1 | 1 | 3 | 5 | 7 | 10 |
| Precipitation (mm) | 92 | 65 | 52 | 51 | 53 | 50 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 22 | 19 | 15 | 11 | 8 |
| Avg temp (°C) | 17 | 17 | 14 | 11 | 7 | 5 |
| Avg low (°C) | 12 | 12 | 9 | 6 | 4 | 2 |
| Precipitation (mm) | 55 | 67 | 60 | 100 | 103 | 103 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 75 | 72 | 66 | 66 | 66 | 63 | 65 | 66 | 72 | 78 | 77 |
| Relative humidity (%) | 90 | 88 | 86 | 83 | 82 | 82 | 81 | 81 | 83 | 85 | 89 | 91 |
| Wind speed (m/s) | 5.4 | 5.1 | 4.7 | 4.0 | 4.0 | 3.7 | 3.7 | 3.8 | 4.2 | 4.8 | 5.0 | 5.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 75 | 72 | 66 | 66 | 66 |
| Relative humidity (%) | 90 | 88 | 86 | 83 | 82 | 82 |
| Wind speed (m/s) | 5.4 | 5.1 | 4.7 | 4.0 | 4.0 | 3.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 63 | 65 | 66 | 72 | 78 | 77 |
| Relative humidity (%) | 81 | 81 | 83 | 85 | 89 | 91 |
| Wind speed (m/s) | 3.7 | 3.8 | 4.2 | 4.8 | 5.0 | 5.3 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 28 years of daily observations at Herstmonceux West End, a weather station, about 15 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.