Sandown weather in August 2025

Q: How hot is it in Sandown in August?

Daytime temperatures usually reach 21°C in Sandown in August, falling to 14°C at night.

Q: How sunny is it in Sandown in August?

There are normally 7 hours of bright sunshine each day in Sandown in August - that's 48% of daylight hours.

Q: How warm is the sea around Sandown in August?

The average sea temperature around Sandown in August is 18°C.

Q: Does it rain in Sandown in August?

There are usually 11 days with some rain in Sandown in August and the average monthly rainfall is 53mm.

Expect daytime maximum temperatures of 21°C in Sandown, England in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 53 mm of rainfall in the month.

21
21°C max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
14
14°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
53
53 mm of monthly rainfall
6
6 (High) UV index
18
18°C sea temperature

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The August weather guide for England (Sandown) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)