Castletownbere Weather in August

August in Castletownbere brings pleasant temperatures, with highs of 18°C (64°F) and nights dropping to 13°C (55°F). Rainfall is on the higher side this month, averaging around 111 mm (4.4 in), so keep a rain jacket handy.

Rainfall in Castletownbere in August

Typically, you can expect about 20 days of rain this month, with 111 mm (4.4 in) on average. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Castletownbere in August

Temperatures in Castletownbere in August top out at 18°C (64°F) and drop to 13°C (55°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. On average, it has the peak temperatures of the year.

Sunshine in Castletownbere in August

With about 139 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

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

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

Castletownbere Temperature in August

Min Temperature 13°C (55°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 66%  

Precipitation 111 mm (4.4 in)  

Rainy days 20 days  

Humidity 78% *  

Sunshine 139 hours *  

Percentage Sunshine 33% *  

* Data from: Valentia, Ireland (39 KM, 24 Miles).

What to Wear in Castletownbere in August

For Castletownbere 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Castletownbere 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

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 Castletownbere's climate page.

More climate data for Castletownbere

Temperature Rainfall Sunshine Humidity

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