Southampton weather in August 2025

Expect 21°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Southampton in August. Check more long-term weather averages for Southampton in August before you book your next holiday to England in 2025/2026.

  • 21°C maximum daytime temperature in August in Southampton21
    21°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in August in Southampton11
    11 days with some rainfall
  • 12°C minimum night-time temperature in August in Southampton12
    12°C min night temperature
  • 14 hours of daylight per day in August in Southampton14
    14 hours of daylight per day
  • No heat & humidity in August in Southampton0
    No heat & humidity
  • 55 mm monthly rainfall in August in Southampton55
    55 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Southampton6
    6 (High) UV index

More about Southampton

Southampton by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Southampton

Blackpool Tower: Pick 'n' Mix pass on multi-attractions

  • Save on multiple attractions in Blackpool with Pick 'n' Mix pass
  • Build passes around preferred attractions & number of days
  • Including Circus, Eye, SEA LIFE, Dungeon & Madam Tussauds
Go to Blackpool Tower deal >>

View all Blackpool Tower offers

The August weather guide for England (Southampton) 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)

Back to top

More about England

How hot is it in Southampton in August?

Daytime temperatures usually reach 21°C in Southampton in August, falling to 12°C at night.

How sunny is it in Southampton in August?

There are normally 6 hours of bright sunshine each day in Southampton in August - that's 44% of daylight hours.

Does it rain in Southampton in August?

There are usually 11 days with some rain in Southampton in August and the average monthly rainfall is 55mm.

Southampton August sunrise & sunset times

Browse the sunrise and sunset times for Southampton in August 2025. Select a month to view Southampton sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:32 19:51
Saturday, 16th August 2025 04:55 19:24
Sunday, 31st August 2025 05:18 18:53

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^