Portsmouth weather in August 2020

Get the latest coronavirus (COVID-19) updates for the UK with current travel advice, statistics and online resources.

  • 21°C maximum daytime temperature in August in Portsmouth21
    21°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in August in Portsmouth10
    10 days with some rainfall
  • 14°C minimum night-time temperature in August in Portsmouth14
    14°C min night temperature
  • 14 hours of daylight per day in August in Portsmouth14
    14 hours of daylight per day
  • No heat & humidity in August in Portsmouth0
    No heat & humidity
  • 53 mm monthly rainfall in August in Portsmouth53
    53 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Portsmouth6
    6 (High) UV index
  • 18°C sea temperature in August in Portsmouth18
    18°C sea temperature
  • Top deals & discounts
  • Portsmouth weather overview
  • Portsmouth climate averages by month
  • More destinations
  • Best time to go to Portsmouth
  • Portsmouth 5-day weather forecast

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

The August weather guide for Portsmouth, England 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.

  • Get FREE additional driver with UK car hire with Avis
  • Book car hire in England, Wales & Scotland
  • Excludes the Isle of Man, Isles of Orkney & Shetland

Portsmouth holiday rentals

Find holiday rentals in Portsmouth, Hampshire, England including holiday homes, self-catering accommodation, B&Bs, shared space, home swaps and short-term lets.

  • Airbnb
  • HomeAway

Portsmouth hotels

Compare prices for hotels in Portsmouth, Hampshire, England with hotel chains, independent hotels and hotel comparison websites.

  • IHG

Portsmouth camping & hostels

Looking for camping holidays in Portsmouth, Hampshire, England? Browse hostels and campsites for camping, glamping, yurts, cabins, tree houses, youth hostels and caravan parks.

  • Campsited

Show all products

Back to search

UK & Ireland holidays

How hot is it in Portsmouth in August?

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

How sunny is it in Portsmouth in August?

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

How warm is the sea around Portsmouth in August?

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

Does it rain in Portsmouth in August?

There are usually 10 days with some rain in Portsmouth in August and the average monthly rainfall is 53mm.

Portsmouth sunrise & sunset times for August 2020

Browse the sunrise & sunset times for Portsmouth in August 2020. Select a month to view Portsmouth sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Saturday, 1st August 2020 05:31 20:49
Sunday, 16th August 2020 05:54 20:22
Monday, 31st August 2020 06:17 19:51
  • Browse top offers on UK holiday cottages
  • Book discounted properties in south-west England
  • Including Cornwall, Devon, Dorset & the New Forest

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

Back to top

Where is hot in England in August for 2020/2021?

Below are average maximum temperatures at popular destinations in England in August. Select a destination to see more weather parameters.

More England regions

More destinations & map >>

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.