Swansea weather in June 2025

Expect daytime maximum temperatures of 64°F in Swansea, Wales in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 3.1 inches of rainfall in the month.

  • 64°F maximum daytime temperature in June in Swansea64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in June in Swansea15
    15 days with some rainfall
  • 52°F minimum night-time temperature in June in Swansea52
    52°F min night temperature
  • 17 hours of daylight per day in June in Swansea17
    17 hours of daylight per day
  • No heat & humidity in June in Swansea0
    No heat & humidity
  • 3.1 inches monthly rainfall in June in Swansea3.1
    3.1 inches of monthly rainfall
  • UV (maximum) index 6 (High) in June in Swansea6
    6 (High) UV index
  • 57°F sea temperature in June in Swansea57
    57°F sea temperature

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The June weather guide for Wales (Swansea) 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)  |  Imperial (°F)

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More about Wales

How hot is it in Swansea in June?

Daytime temperatures usually reach 64°F in Swansea in June, falling to 52°F at night.

How sunny is it in Swansea in June?

There are normally 7 hours of bright sunshine each day in Swansea in June - that's 40% of daylight hours.

How warm is the sea around Swansea in June?

The average sea temperature around Swansea in June is 57°F.

Does it rain in Swansea in June?

There are usually 15 days with some rain in Swansea in June and the average monthly rainfall is 3.1 inches.

Swansea June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 04:04 20:24
Sunday, 15th June 2025 03:57 20:35
Monday, 30th June 2025 04:02 20:37

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