Bangor weather in August 2025

Expect 18°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Bangor in August. Check more long-term weather averages for Bangor in August before you book your next holiday to Northern Ireland in 2025/2026.

  • 18°C maximum daytime temperature in August in Bangor18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in August in Bangor17
    17 days with some rainfall
  • 11°C minimum night-time temperature in August in Bangor11
    11°C min night temperature
  • 15 hours of daylight per day in August in Bangor15
    15 hours of daylight per day
  • No heat & humidity in August in Bangor0
    No heat & humidity
  • 84 mm monthly rainfall in August in Bangor84
    84 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Bangor5
    5 (Moderate) UV index
  • 13°C sea temperature in August in Bangor13
    13°C sea temperature

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The August weather guide for Northern Ireland (Bangor) 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)

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More about the UK

How hot is it in Bangor in August?

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

How sunny is it in Bangor in August?

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

How warm is the sea around Bangor in August?

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

Does it rain in Bangor in August?

There are usually 17 days with some rain in Bangor in August and the average monthly rainfall is 84mm.

Bangor August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:33 20:23
Saturday, 16th August 2025 05:01 19:52
Sunday, 31st August 2025 05:28 19:16

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