Swansea weather in July 2025

Expect daytime maximum temperatures of 68°F in Swansea, Wales in July based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 3.0 inches of rainfall in the month.

  • 68°F maximum daytime temperature in July in Swansea68
    68°F max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in July in Swansea13
    13 days with some rainfall
  • 55°F minimum night-time temperature in July in Swansea55
    55°F min night temperature
  • 16 hours of daylight per day in July in Swansea16
    16 hours of daylight per day
  • No heat & humidity in July in Swansea0
    No heat & humidity
  • 3.0 inches monthly rainfall in July in Swansea3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 6 (High) in July in Swansea6
    6 (High) UV index
  • 61°F sea temperature in July in Swansea61
    61°F sea temperature

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The July 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 July?

Daytime temperatures usually reach 68°F in Swansea in July, falling to 55°F at night.

How sunny is it in Swansea in July?

There are normally 6 hours of bright sunshine each day in Swansea in July - that's 38% of daylight hours.

How warm is the sea around Swansea in July?

The average sea temperature around Swansea in July is 61°F.

Does it rain in Swansea in July?

There are usually 13 days with some rain in Swansea in July and the average monthly rainfall is 3.0 inches.

Swansea July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:02 20:37
Wednesday, 16th July 2025 04:17 20:26
Thursday, 31st July 2025 04:38 20:05

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