Arklow weather in August 2025

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

  • 18°C maximum daytime temperature in August in Arklow18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in August in Arklow16
    16 days with some rainfall
  • 11°C minimum night-time temperature in August in Arklow11
    11°C 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
  • 72 mm monthly rainfall in August in Arklow72
    72 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Arklow5
    5 (Moderate) UV index
  • 15°C sea temperature in August in Arklow15
    15°C sea temperature

More about Arklow

Arklow by month

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

Recommended for Ireland

  • Find car hire worldwide from as little as £1 a day
  • Book car hire with no hidden costs & best price guarantee
  • Free cancellation up to 48 hours before pickup

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 / mm)  |  Imperial (°F / inches)

Back to top

More about Ireland

How hot is it in Arklow in August?

Daytime temperatures usually reach 18°C in Arklow in August, falling to 11°C 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 15°C.

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 72mm.

Arklow August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:44 20:17
Saturday, 16th August 2025 05:08 19:48
Sunday, 31st August 2025 05:34 19:15

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^