Southend weather in August 2026

Q: How hot is it in Southend in August?

Daytime temperatures usually reach 21°C in Southend in August, falling to 13°C at night.

Q: How sunny is it in Southend in August?

There are normally 6 hours of bright sunshine each day in Southend in August - that's 42% of daylight hours.

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

The average sea temperature around Southend in August is 19°C.

Q: Does it rain in Southend in August?

There are usually 11 days with some rain in Southend in August and the average monthly rainfall is 47mm.

Expect daytime maximum temperatures of 21°C in Southend, England in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 47 mm of rainfall in the month.

21
21°C max day temperature
6
6 hours of sunshine per day
11
11 days with some rainfall
13
13°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
47
47 mm of monthly rainfall
5
5 (Moderate) UV index
19
19°C sea temperature

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The August weather guide for England (Southend) 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)