Belfast weather in August 2020

  • 18°C maximum daytime temperature in August in Belfast18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in August in Belfast17
    17 days with some rainfall
  • 11°C minimum night-time temperature in August in Belfast11
    11°C min night temperature
  • 15 hours of daylight per day in August in Belfast15
    15 hours of daylight per day
  • No heat & humidity in August in Belfast0
    No heat & humidity
  • 89 mm monthly rainfall in August in Belfast89
    89 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Belfast5
    5 (Moderate) UV index
  • 13°C sea temperature in August in Belfast13
    13°C sea temperature
  • Top deals & discounts
  • Belfast weather overview
  • Belfast climate averages by month
  • More destinations
  • Best time to go to Belfast
  • Belfast 5-day weather forecast

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

The August weather guide for Belfast, UK 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.

  • Save EXTRA £40 on holidays to the UK
  • Minimum spend of £400 per booking
  • Book holidays to London, Edinburgh, Bath, Lake District & more
Show discount codeShow discount code ******020

Expires at 23:59 on Thursday 31st Oct 2019 · View all lastminute.com offers

lastminute.comHoliday deal finder

How hot is it in Belfast in August?

Daytime temperatures usually reach 18°C in Belfast in August, falling to 11°C at night.

How sunny is it in Belfast in August?

There are normally 5 hours of bright sunshine each day in Belfast in August - that's 32% of daylight hours.

How warm is the sea around Belfast in August?

The average sea temperature around Belfast in August is 13°C.

Does it rain in Belfast in August?

There are usually 17 days with some rain in Belfast in August and the average monthly rainfall is 89mm.

Belfast sunrise & sunset times for August 2020

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2020 05:35 21:24
Sunday, 16th August 2020 06:02 20:52
Monday, 31st August 2020 06:30 20:17
  • Save EXTRA £40 on holidays to the UK
  • Minimum spend of £400 per booking
  • Book holidays to London, Edinburgh, Bath, Lake District & more
Show discount codeShow discount code ******020

Expires at 23:59 on Thursday 31st Oct 2019 · View all lastminute.com offers

lastminute.comHoliday deal finder

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

Back to top

Where's hot in the UK in August?

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

More destinations & map >>

Related posts

Popular travel offers

Top ^

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