Portmarnock weather in July (Dublin County, Ireland)

Curious about the July weather in Portmarnock? This guide provides all the details you need.

In July, Portmarnock generally has pleasant temperatures and moderate rainfall. July is a summer month. Daytime temperatures hover around 19°C, while nights can cool down to about 13°C. On average, it sees the highest temps of the year.

Portmarnock in July usually receives moderate rainfall, averaging around 79 mm for the month. Based on our climate data of the past 30 years, about 14 days of rain are anticipated.

The area experiences a moderate amount of sunshine, with approximately 166 hours of sunlight expected. This makes it neither too gloomy nor overly bright.

If you favor pleasant temperatures and minimal rainfall, July is one of the better months to visit Portmarnock. July and August typically offer the most agreeable circumstances. On the other hand, January, February and December tend to be characterized by conditions that may not be as optimal.

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

 

Portmarnock, monthly averages in July

Min Temperature 13°C  

Max Temperature 19°C  

Water Temperature 14°C *  

Chance of Rain 46%  

Precipitation 79 mm  

Rainy days 14 days  

Humidity 69% *  

Windspeed 14 km/h *  

Sunshine 166 hours *  

Percentage Sunshine 32% *  

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

Where to go in Ireland in July

Find out more about the weather in Ireland in July and which places have the best weather 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 Portmarnock in July?

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 14°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 in July.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.