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Cardiff Weather July

Cardiff is located in oceanic climate that can be described as high humidity and moderate seasonal temperature fluctuations warm summer and soft but windy winter.
To help you choose the best time to travel, you can find climate data below on the weather in Cardiff in July.
![]() | average daily high | +21.7°C |
![]() | average daily low | +13.1°C |
![]() | sea temperature | +15.5°C |
![]() | daytime | 16.8 h |
![]() | sunny / overcast hours | 6.4 / 10.4 |
![]() | average monthly precipitation | 78 mm |
Best time with the soft weather for the sightseeing and long walks in Cardiff are June, July, August, September.
Temperature in Cardiff
In July the average daily maximum in Cardiff is +21.7°C, and the minimum +13.1°C.
The hottest July day on record is +32°C, and the coldest +5.3°C.
Best beach resorts in July:

Venice
Italy

Barcelona
Spain

Nice
France

Rimini
Italy

Cannes
France

Lisbon
Portugal
Daylight hours
There are 16.8 hours of daylight in Cardiff in July. Out of these, on average 6.4 are sunny, which means it is mostly cloudy.
Most Popular Destinations in the World
Sea temperature
The average monthly temperature in the Bristol Channel on the beaches of Cardiff in July is +15.5°C.
The water is cold and only apt for bathing for the most hardy people.
Precipitation
The amount of precipitation in Cardiff in July is usually 78 mm, which may cause a change of plans on certain days.