Wales weather in June 2025

Expect 19°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Wales in June. Check more long-term weather averages for Wales in June before you book your next holiday to Wales in 2025/2026.

  • 19°C maximum daytime temperature in June in Wales (Cardiff)19
    19°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in June in Wales (Cardiff)14
    14 days with some rainfall
  • 10°C minimum night-time temperature in June in Wales (Cardiff)10
    10°C min night temperature
  • 17 hours of daylight per day in June in Wales (Cardiff)17
    17 hours of daylight per day
  • No heat & humidity in June in Wales (Cardiff)0
    No heat & humidity
  • 65 mm monthly rainfall in June in Wales (Cardiff)65
    65 mm of monthly rainfall
  • UV (maximum) index 6 (High) in June in Wales (Cardiff)6
    6 (High) UV index
  • 15°C sea temperature in June in Wales (Cardiff)15
    15°C sea temperature

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The June weather guide for Wales (Cardiff) 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.

Top Wales destinations

Below are average maximum temperatures at popular countries, regions and places in Wales in June. Select a holiday destination to see more weather parameters.

All Wales regions

All Wales destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Wales

How hot is it in Wales in June?

Daytime temperatures usually reach 19°C in Cardiff, Wales in June, falling to 10°C at night.

How sunny is it in Wales in June?

There are normally 7 hours of bright sunshine each day in Cardiff, Wales in June - that's 41% of daylight hours.

How warm is the sea around Wales in June?

The average sea temperature around Cardiff, Wales in June is 15°C.

Does it rain in Wales in June?

There are usually 14 days with some rain in Cardiff, Wales in June and the average monthly rainfall is 65mm.

Wales June sunrise & sunset times

Browse the sunrise and sunset times for Wales in June 2025. Select a month to view Wales sunrise and sunset times for the next 12 months. The Wales sunrise and sunset times shown below are for Cardiff.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 04:01 20:21
Sunday, 15th June 2025 03:55 20:32
Monday, 30th June 2025 04:00 20:33

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