Penarth Weather in July

July in Penarth sees daytime temperatures around 21°C (70°F) and lows of 14°C (57°F) at night. With around 79 mm (3.1 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Penarth in July

Historically, July sees about 12 days of rain, with a monthly average of 79 mm (3.1 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Penarth in July

The temperature in Penarth in July is perfect. Daytime highs reach 21°C (70°F), with nights dropping to 14°C (57°F). July is typically considered a summer month. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. 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. On average, it has the peak temperatures of the year.

Sunshine in Penarth in July

The month enjoys around 202 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Penarth in July

Wind speeds average 4 m/s (8 knots) during July. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

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.

If you're inclined towards comfortable temperatures and drier conditions, July is a good time to visit Penarth.

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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Penarth's climate page.

Penarth Temperature in July

Min Temperature 14°C (57°F)  

Max Temperature 21°C (70°F)  

Water Temperature 15°C (59°F) *  

Chance of Rain 41%  

Precipitation 79 mm (3.1 in)  

Rainy days 12 days  

Humidity 76% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 202 hours *  

Percentage Sunshine 38% *  

* Data from: Cardiff, the United Kingdom (12 KM, 8 Miles).

What to Wear in Penarth in July

For Penarth in July, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. With water temperatures around 15°C (59°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Penarth in July

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

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Penarth's climate page.

More climate data for Penarth

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Penarth climate overview or explore weather in the United Kingdom.