Portmarnock weather in August (Dublin County, Ireland)

Will it be warm or cold in Portmarnock this August? Find out what kind of weather to expect during this month.

Temperatures

During August, Portmarnock usually has pleasant temperatures and moderate rainfall. August is known for being in the summer season. Daytime temperatures generally settle around 19°C, while nighttime can see a dip to about 13°C. On average, it sees the highest temps of the year.

Precipitation

Portmarnock in August usually receives moderate rainfall, averaging around 82 mm for the month. Climate data suggests that about 16 days will experience rainfall.

Average sunshine

The area enjoys a moderate level of sunlight, with around 157 hours. It's a good balance between sunny and cloudy days.

If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit. July and August generally stand out with the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Portmarnock climate page with graphs.

 

Portmarnock, monthly averages in August

Min Temperature 13°C  

Max Temperature 19°C  

Water Temperature 15°C *  

Chance of Rain 53%  

Precipitation 82 mm  

Rainy days 16 days  

Humidity 69% *  

Windspeed 14 km/h *  

Sunshine 157 hours *  

Percentage Sunshine 35% *  

* Data from: Dublin, Ireland (7 KM, 4 Miles).

Where to go in Ireland in August

Find out more about the weather in Ireland and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Portmarnock, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 15°C there is no need to bring your swimwear.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Portmarnock.

Our site offers climate and forecast data for every country in the world. Are you going to Ireland? On this website you can find historical weather averages for many cities in Ireland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.