Cardiff Weather in July

During July, Cardiff experiences pleasant daytime temperatures of 20°C (68°F) and cooler nights around 14°C (57°F). As part of the summer season, expect quite a bit of rainfall. Around 85 mm (3.3 in) is typical.

Rainfall in Cardiff in July

Based on our climate data of the past 30 years, about 13 days of rain are anticipated, with 85 mm (3.3 in) on average. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Cardiff in July

July is one of the better months to visit Cardiff. Expect 20°C (68°F) during the day and 14°C (57°F) at night. During July, you'll experience the summer season. Conditions are often most pleasant around the middle of the day. With overnight lows of 14°C (57°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Cardiff in July

The city usually sees around 202 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Wind Speed in Cardiff in July

July sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in July

The water temperature is 15°C (59°F), chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

So this is a great month to visit if you prefer dry days with pleasant temperatures.