Wales Weather in July

Average temperatures, rainfall, sunshine and the best places to visit in Wales, the United Kingdom in July.

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Cardiff Swansea

Planning a getaway to Wales, the United Kingdom this July and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Wales in July

Wales, the United Kingdom is a region in the United Kingdom. July in Wales generally has pleasant temperatures, with moderate precipitation. It's the height of summer.

Temperatures

You can expect pleasant maximum daytime temperatures of around 20°C (68°F) and nighttime temperatures around 14°C (57°F) in Cardiff.

For a closer look at conditions across Wales, the United Kingdom, refer to the map below.

Precipitation

In July, precipitation varies across different areas. From moderate rainfall in Cardiff with an average of 85 mm (3.3 in) to moderate rainfall in Swansea with 98 mm (3.9 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Cardiff enjoys approximately 202 hours of sunlight, ideal for those seeking sunny weather.

Explore Wales by month

Pick a month to see the average temperature, rainfall and sunshine in Wales — and find the best time to visit. (based on Cardiff)

January9°C (48°F) February9°C (48°F) March11°C (52°F) April13°C (55°F) May16°C (61°F) This monthJune18°C (64°F) July20°C (68°F) August20°C (68°F) September18°C (64°F) October15°C (59°F) November12°C (54°F) December10°C (50°F)
Best Time to Visit Wales →

Best Places to Visit in Wales in July

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Wales.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Wales

What is the weather like in July for some of the most popular destinations in Wales, the United Kingdom?

Temperature range in Wales (July)

Precipitation variation in Wales (July)

Cardiff

In July Cardiff generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« June
July
August »
June
July
August
Max temperature
18°C (64°F)
20°C (68°F)
20°C (68°F)
Min temperature
12°C (54°F)
14°C (57°F)
14°C (57°F)
Monthly sun hours
194 hours
202 hours
184 hours
Monthly rainfall
82 mm (3.2 in)
85 mm (3.3 in)
98 mm (3.9 in)
Monthly rainy days
14 days
13 days
15 days
Weather conditions
pleasant
perfect
perfect
Climate in Cardiff →

Swansea

In July Swansea generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« June
July
August »
June
July
August
Max temperature
18°C (64°F)
20°C (68°F)
20°C (68°F)
Min temperature
11°C (52°F)
13°C (55°F)
14°C (57°F)
Monthly sun hours
194 hours
202 hours
184 hours
Monthly rainfall
94 mm (3.7 in)
98 mm (3.9 in)
109 mm (4.3 in)
Monthly rainy days
15 days
13 days
16 days
Weather conditions
pleasant
perfect
pleasant
Climate in Swansea →

Is your destination not in the list? Have a look at all destinations in Wales, in the United Kingdom.

In our records: the United Kingdom July extremes

Notable July records observed across cities in the United Kingdom in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in the United Kingdom reached 39°C (102°F) in Nottingham on July 19, 2022.

Popular cities in July

Day & night temperatures, rainfall and average weather in Wales in July.

City Weather Day temp Night temp Rainfall
Cardiff 20°C (68°F) 14°C (57°F) 85 mm (3.3 in)
Swansea 20°C (68°F) 13°C (55°F) 98 mm (3.9 in)

Wales weather in July: frequently asked questions

What is the weather like in Wales, the United Kingdom in July?

Expect perfect weather across Wales, the United Kingdom in July. The popular destination of Cardiff averages 20°C (68°F) by day and 14°C (57°F) at night during this summer month.

What is the average temperature in Wales, the United Kingdom in July?

In Cardiff, the average daytime high in July is 20°C (68°F), while nighttime temperatures drop to around 14°C (57°F).

Does Wales, the United Kingdom get a lot of rain in July?

July is on the drier side in Wales, the United Kingdom. Cardiff averages only about 85 mm (3.3 in), with most days staying dry.

Is July a Good Time to Visit Wales, the United Kingdom?

We believe that July is one of the best times to visit Wales, the United Kingdom with overall perfect weather in Cardiff. However, the weather conditions may vary depending on your destination.

Generally speaking, July and August provide perfect weather in Cardiff. On the other hand, the weather in January, February, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Wales.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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