Saint Athan Weather in August

August in Saint Athan brings pleasant temperatures, with highs of 20°C (68°F) and nights dropping to 14°C (57°F). Rainfall is on the higher side this month, averaging around 100 mm (3.9 in), so keep a rain jacket handy.

Rainfall in Saint Athan in August

The climate data from previous years indicates about 15 days of rain, averaging 100 mm (3.9 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 Saint Athan in August

August in Saint Athan brings pleasant temperatures, with highs of 20°C (68°F) and nights around 14°C (57°F). August is part of summer. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. On average, it is the month with the highest temperature of the year.

Sunshine in Saint Athan in August

The area experiences a moderate amount of sunshine, with approximately 184 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Saint Athan 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 is 16°C (61°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

If you prefer enjoying temperate temperatures and rain-free days, July typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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 Saint Athan's climate page.

Saint Athan Temperature in August

Min Temperature 14°C (57°F)  

Max Temperature 20°C (68°F)  

Water Temperature 16°C (61°F) *  

Chance of Rain 51%  

Precipitation 100 mm (3.9 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 (4 KM, 3 Miles).

What to Wear in Saint Athan 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 Saint Athan 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 Saint Athan's climate page.

More climate data for Saint Athan

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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