Colwyn Bay weather in June 2025

Expect 17°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Colwyn Bay in June based on long-term weather averages. There is usually 15 days with some rainfall and 69 mm of average monthly rainfall in June.

  • 17°C maximum daytime temperature in June in Colwyn Bay17
    17°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in June in Colwyn Bay15
    15 days with some rainfall
  • 9°C minimum night-time temperature in June in Colwyn Bay9
    9°C min night temperature
  • 17 hours of daylight per day in June in Colwyn Bay17
    17 hours of daylight per day
  • No heat & humidity in June in Colwyn Bay0
    No heat & humidity
  • 69 mm monthly rainfall in June in Colwyn Bay69
    69 mm of monthly rainfall
  • UV (maximum) index 6 (High) in June in Colwyn Bay6
    6 (High) UV index
  • 13°C sea temperature in June in Colwyn Bay13
    13°C sea temperature

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The June 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)

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More about Wales

How warm is it in Colwyn Bay in June?

Daytime temperatures usually reach 17°C in Colwyn Bay in June, falling to 9°C at night.

How sunny is it in Colwyn Bay in June?

There are normally 6 hours of bright sunshine each day in Colwyn Bay in June - that's 36% of daylight hours.

How warm is the sea around Colwyn Bay in June?

The average sea temperature around Colwyn Bay in June is 13°C.

Does it rain in Colwyn Bay in June?

There are usually 15 days with some rain in Colwyn Bay in June and the average monthly rainfall is 69mm.

Colwyn Bay June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 03:54 20:33
Sunday, 15th June 2025 03:47 20:45
Monday, 30th June 2025 03:51 20:46

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