Colwyn Bay weather in August 2025

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

  • 18°C maximum daytime temperature in August in Colwyn Bay18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in August in Colwyn Bay16
    16 days with some rainfall
  • 11°C minimum night-time temperature in August in Colwyn Bay11
    11°C min night temperature
  • 15 hours of daylight per day in August in Colwyn Bay15
    15 hours of daylight per day
  • No heat & humidity in August in Colwyn Bay0
    No heat & humidity
  • 87 mm monthly rainfall in August in Colwyn Bay87
    87 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Colwyn Bay5
    5 (Moderate) UV index
  • 16°C sea temperature in August in Colwyn Bay16
    16°C sea temperature

More about Colwyn Bay

Colwyn Bay by month

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

Recommended for Wales

Luxury Cottages discount code: £50 off UK cottages

  • Save EXTRA £50 on UK breaks with Luxury Cottages
  • No minimum stay. Book online with exclusive discount code
  • Offer cannot be combined with other promotions
Show discount codeShow discount code ******C50
Redeem Luxury Cottages discount code >>

Expires at 23:59 on Tuesday 31st Dec 2024 · View all Luxury Cottages offers

Luxury CottagesUK holiday finder

The August weather guide for Wales (Colwyn Bay) 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 Wales

How hot is it in Colwyn Bay in August?

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

How sunny is it in Colwyn Bay in August?

There are normally 5 hours of bright sunshine each day in Colwyn Bay in August - that's 35% of daylight hours.

How warm is the sea around Colwyn Bay in August?

The average sea temperature around Colwyn Bay in August is 16°C.

Does it rain in Colwyn Bay in August?

There are usually 16 days with some rain in Colwyn Bay in August and the average monthly rainfall is 87mm.

Colwyn Bay August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:32 20:10
Saturday, 16th August 2025 04:57 19:40
Sunday, 31st August 2025 05:23 19:06

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^