Ballycastle Weather in August

August in Ballycastle sees daytime temperatures around 18°C (64°F) and lows of 13°C (55°F) at night. With around 121 mm (4.8 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Ballycastle in August

Historically, approximately 21 days this month are expected to have rain, averaging 121 mm (4.8 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Ballycastle in August

Temperatures in Ballycastle in August top out at 18°C (64°F) and drop to 13°C (55°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 13°C (55°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 is the month with the highest temperature of the year.

Sunshine in Ballycastle in August

The area experiences a moderate amount of sunshine, with approximately 142 hours of sunlight expected. This means a decent mix of sun and overcast.

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

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

Ballycastle Temperature in August

Min Temperature 13°C (55°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 69%  

Precipitation 121 mm (4.8 in)  

Rainy days 21 days  

Humidity 79% *  

Sunshine 142 hours *  

Percentage Sunshine 34% *  

* Data from: Belmullet, Ireland (41 KM, 25 Miles).

What to Wear in Ballycastle in August

For Ballycastle in August, 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Ballycastle 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 Ballycastle's climate page.

More climate data for Ballycastle

Temperature Rainfall Sunshine Humidity

See the full Ballycastle climate overview or explore weather in Ireland.