Wales weather in July 2023

  • 20°C maximum daytime temperature in July in Wales (Cardiff)20
    20°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in July in Wales (Cardiff)13
    13 days with some rainfall
  • 12°C minimum night-time temperature in July in Wales (Cardiff)12
    12°C min night temperature
  • 16 hours of daylight per day in July in Wales (Cardiff)16
    16 hours of daylight per day
  • No heat & humidity in July in Wales (Cardiff)0
    No heat & humidity
  • 66 mm monthly rainfall in July in Wales (Cardiff)66
    66 mm of monthly rainfall
  • UV (maximum) index 6 (High) in July in Wales (Cardiff)6
    6 (High) UV index
  • 17°C sea temperature in July in Wales (Cardiff)17
    17°C sea temperature

Below are average maximum temperatures at popular destinations in Wales in July. Select a destination to see more weather parameters.

Wales regions

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Recommended for Wales

The July 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.

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

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More about the UK

How hot is it in Wales in July?

Daytime temperatures usually reach 20°C in Cardiff, Wales in July, falling to 12°C at night.

How sunny is it in Wales in July?

There are normally 6 hours of bright sunshine each day in Cardiff, Wales in July - that's 39% of daylight hours.

How warm is the sea around Wales in July?

The average sea temperature around Cardiff, Wales in July is 17°C.

Does it rain in Wales in July?

There are usually 13 days with some rain in Cardiff, Wales in July and the average monthly rainfall is 66mm.

Wales July sunrise & sunset times

Browse the sunrise and sunset times for Wales in July 2023. 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.


Date Sunrise times Sunset times
Saturday, 1st July 2023 05:00 21:33
Sunday, 16th July 2023 05:14 21:23
Monday, 31st July 2023 05:35 21:03

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