Londonderry weather in August 2025

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

  • 17°C maximum daytime temperature in August in Londonderry17
    17°C max day temperature
  • 4 hours of sunshine per day
  • 20 days with some rainfall in August in Londonderry20
    20 days with some rainfall
  • 10°C minimum night-time temperature in August in Londonderry10
    10°C min night temperature
  • 15 hours of daylight per day in August in Londonderry15
    15 hours of daylight per day
  • No heat & humidity in August in Londonderry0
    No heat & humidity
  • 99 mm monthly rainfall in August in Londonderry99
    99 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Londonderry5
    5 (Moderate) UV index

More about Londonderry

Londonderry by month

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

Recommended for Northern Ireland

Hopper: Exclusive deals on hotels worldwide

  • Check out exclusive hotel deals available in Hopper App
  • Save on hotels, flights & car hire in 2023/2024
  • Download & use for FREE. No hidden charges
Go to Hopper deal >>

The August weather guide for Northern Ireland (Londonderry) 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 the UK

How warm is it in Londonderry in August?

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

How sunny is it in Londonderry in August?

There are normally 4 hours of bright sunshine each day in Londonderry in August - that's 28% of daylight hours.

Does it rain in Londonderry in August?

There are usually 20 days with some rain in Londonderry in August and the average monthly rainfall is 99mm.

Londonderry August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:39 20:32
Saturday, 16th August 2025 05:06 20:00
Sunday, 31st August 2025 05:34 19:24

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^