Ballymena weather in August 2025

Expect 17°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Ballymena in August. Check more long-term weather averages for Ballymena in August before you book your next holiday to Northern Ireland in 2025/2026.

  • 17°C maximum daytime temperature in August in Ballymena17
    17°C max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in August in Ballymena19
    19 days with some rainfall
  • 10°C minimum night-time temperature in August in Ballymena10
    10°C min night temperature
  • 15 hours of daylight per day in August in Ballymena15
    15 hours of daylight per day
  • No heat & humidity in August in Ballymena0
    No heat & humidity
  • 97 mm monthly rainfall in August in Ballymena97
    97 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Ballymena5
    5 (Moderate) UV index

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Ballymena by month

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The August weather guide for Northern Ireland (Ballymena) 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 warm is it in Ballymena in August?

Daytime temperatures usually reach 17°C in Ballymena in August, falling to 10°C at night.

How sunny is it in Ballymena in August?

There are normally 4 hours of bright sunshine each day in Ballymena in August - that's 30% of daylight hours.

Does it rain in Ballymena in August?

There are usually 19 days with some rain in Ballymena in August and the average monthly rainfall is 97mm.

Ballymena August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:35 20:27
Saturday, 16th August 2025 05:02 19:55
Sunday, 31st August 2025 05:30 19:19

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