Arklow weather in August 2026

Expect daytime maximum temperatures of 64°F in Arklow, Ireland in August based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 2.8 inches of rainfall in the month.

  • 64°F maximum daytime temperature in August in Arklow64
    64°F max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in August in Arklow16
    16 days with some rainfall
  • 52°F minimum night-time temperature in August in Arklow52
    52°F min night temperature
  • 15 hours of daylight per day in August in Arklow15
    15 hours of daylight per day
  • No heat & humidity in August in Arklow0
    No heat & humidity
  • 2.8 inches monthly rainfall in August in Arklow2.8
    2.8 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Arklow5
    5 (Moderate) UV index
  • 59°F sea temperature in August in Arklow59
    59°F sea temperature

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The August weather guide for Ireland (Arklow) 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)  |  Imperial (°F)

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More about Ireland

How hot is it in Arklow in August?

Daytime temperatures usually reach 64°F in Arklow in August, falling to 52°F at night.

How sunny is it in Arklow in August?

There are normally 5 hours of bright sunshine each day in Arklow in August - that's 37% of daylight hours.

How warm is the sea around Arklow in August?

The average sea temperature around Arklow in August is 59°F.

Does it rain in Arklow in August?

There are usually 16 days with some rain in Arklow in August and the average monthly rainfall is 2.8 inches.

Arklow August sunrise & sunset times

Browse the sunrise and sunset times for Arklow in August 2026. Select a month to view Arklow sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2026 04:43 20:18
Sunday, 16th August 2026 05:08 19:49
Monday, 31st August 2026 05:33 19:16

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