Valentia Island Weather in August

August in Valentia Island brings moderate temperatures, with highs of 18°C (64°F) and nights dropping to 14°C (57°F). Rainfall is on the higher side this month, averaging around 118 mm (4.6 in), so keep a rain jacket handy.

Rainfall in Valentia Island in August

The climate data from previous years indicates about 21 days of rain, averaging 118 mm (4.6 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Valentia Island in August

Daytime highs in Valentia Island in August reach 18°C (64°F), with nights around 14°C (57°F). Conditions are often most pleasant around the middle of the day. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, it is the month with the highest temperature of the year.

Sunshine in Valentia Island in August

The area enjoys a moderate level of sunlight, with around 139 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Valentia Island in August

In August, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in August

The water is 15°C (59°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're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Valentia Island.

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 Ireland, check out our Valentia Island's climate page.

Valentia Island Temperature in August

Min Temperature 14°C (57°F)  

Max Temperature 18°C (64°F)  

Water Temperature 15°C (59°F) *  

Chance of Rain 69%  

Precipitation 118 mm (4.6 in)  

Rainy days 21 days  

Humidity 78% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 139 hours *  

Percentage Sunshine 33% *  

* Data from: Valentia, Ireland (6 KM, 3 Miles).

What to Wear in Valentia Island 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. Expect water temperatures of around 15°C (59°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Valentia Island in August

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

Swimming

6/10

Cycling

5/10

Walking

5/10

Camping

6/10

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 Ireland, check out our Valentia Island's climate page.

More climate data for Valentia Island

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Valentia Island climate overview or explore weather in Ireland.