Penarth Weather in August

August in Penarth brings pleasant temperatures, with daytime highs of 21°C (70°F) and nights around 14°C (57°F). Quite a bit of rainfall is expected, around 91 mm (3.6 in), so pack an umbrella.

Rainfall in Penarth in August

Typically around 15 days of rainfall are expected, averaging 91 mm (3.6 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Penarth in August

If you're visiting Penarth in August, expect perfect temperatures with highs of 21°C (70°F) and overnight lows of 14°C (57°F). The summer season is characteristic of August. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Penarth in August

The month experiences a moderate amount of sunlight, with 184 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Penarth in August

August 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 August

The water temperature is 16°C (61°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.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for 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 August

Min Temperature 14°C (57°F)  

Max Temperature 21°C (70°F)  

Water Temperature 16°C (61°F) *  

Chance of Rain 49%  

Precipitation 91 mm (3.6 in)  

Rainy days 15 days  

Humidity 78% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 184 hours *  

Percentage Sunshine 42% *  

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

What to Wear in Penarth in August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 16°C (61°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Penarth in August

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

Swimming

6/10

Cycling

9/10

Walking

9/10

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.