Cardiff weather in July (Wales, United Kingdom)

Planning a trip to Cardiff in July? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In Cardiff, July is characterized by pleasant temperatures and moderate rainfall. July is a summer month. Daytime temperatures hover around 20°C, while nights can cool down to about 14°C.

Cardiff in July usually receives moderate rainfall, averaging around 85 mm for the month. When we look at the climate data from the last 30 years, we can expect around 13 days of rain.

The city usually sees around 202 hours of sunlight, indicating many sunny days.

If you're inclined towards comfortable temperatures and drier conditions, July is a prime time to visit Cardiff. July and August typically offer the best circumstances. While January, February, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Cardiff climate page with graphs.

 

Cardiff, monthly averages in July

Min Temperature 14°C  

Max Temperature 20°C  

Water Temperature 15°C  

Chance of Rain 43%  

Precipitation 85 mm  

Rainy days 13 days  

Humidity 76%  

Windspeed 14 km/h  

Sunshine 202 hours  

Percentage Sunshine 38%  

Where to go in the United Kingdom in July

Find out more about the weather in the United Kingdom in July and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Legend perfect weather pleasant tolerable unpleasant poor

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

So, what should you wear in Cardiff in July?

For visitors traveling to Cardiff, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 15°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in July.

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Cardiff.

Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find 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 climate conditions. Find out where to go with our weather planner.