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Sandown, England climate
Cfb Oceanic / temperate
Sandown has a mildly seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is August with an average daily high near 20°C, while the coldest is February averaging around 4°C at night. Around 670 mm of precipitation falls each year, peaking in November (84 mm) and easing off in April (38 mm). At latitude 51°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)Sandown 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 | 20 | 18 | 15 | 12 | 9 |
| Avg temp (°C) | 7 | 6 | 8 | 9 | 12 | 15 | 17 | 17 | 16 | 13 | 10 | 8 |
| Avg low (°C) | 5 | 4 | 5 | 7 | 10 | 12 | 15 | 15 | 14 | 11 | 8 | 6 |
| Precipitation (mm) | 71 | 53 | 50 | 38 | 41 | 39 | 42 | 46 | 45 | 78 | 84 | 83 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 8 | 8 | 10 | 12 | 15 | 17 |
| Avg temp (°C) | 7 | 6 | 8 | 9 | 12 | 15 |
| Avg low (°C) | 5 | 4 | 5 | 7 | 10 | 12 |
| Precipitation (mm) | 71 | 53 | 50 | 38 | 41 | 39 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 19 | 20 | 18 | 15 | 12 | 9 |
| Avg temp (°C) | 17 | 17 | 16 | 13 | 10 | 8 |
| Avg low (°C) | 15 | 15 | 14 | 11 | 8 | 6 |
| Precipitation (mm) | 42 | 46 | 45 | 78 | 84 | 83 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 72 | 69 | 62 | 63 | 63 | 61 | 62 | 63 | 70 | 74 | 74 |
| Relative humidity (%) | 85 | 86 | 86 | 85 | 85 | 86 | 85 | 84 | 82 | 82 | 84 | 85 |
| Wind speed (mph) | 16.3 | 15.0 | 13.4 | 11.4 | 10.9 | 10.2 | 10.5 | 11.1 | 12.5 | 14.7 | 15.3 | 16.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 72 | 69 | 62 | 63 | 63 |
| Relative humidity (%) | 85 | 86 | 86 | 85 | 85 | 86 |
| Wind speed (mph) | 16.3 | 15.0 | 13.4 | 11.4 | 10.9 | 10.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 61 | 62 | 63 | 70 | 74 | 74 |
| Relative humidity (%) | 85 | 84 | 82 | 82 | 84 | 85 |
| Wind speed (mph) | 10.5 | 11.1 | 12.5 | 14.7 | 15.3 | 16.2 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Wight: St. Catherines Point, a weather station, about 12 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.