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Portmarnock weather in October (Dublin County, Ireland)

Planning a trip to Portmarnock in October? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

Temperatures

In October, Portmarnock generally has moderate temperatures and moderate rainfall. Daytime temperatures hover around 15°C, while nights can cool down to about 9°C.

Precipitation

Portmarnock in October usually receives moderate rainfall, averaging around 87 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 17 days of the month will see rainfall.

Average sunshine

The area experiences limited sunny days, amounting to roughly 97 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days

In case you lean more towards enjoying temperate temperatures and rain-free days July and August typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

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

 

Portmarnock, monthly averages in October

Min TemperatureMin Temperature 9°C  
Max TemperatureMax Temperature 15°C  
Water TemperatureWater Temperature 14°C *  
Chance of RainChance of Rain 55%  
PrecipitationPrecipitation 87 mm  
Rainy daysRainy days 17 days  
HumidityHumidity 75% *  
WindspeedWindspeed 18 km/h *  
SunshineSunshine 97 hours *  
Percentage SunshinePercentage Sunshine 31% *  
* Data from: Dublin, Ireland (7 KM, 4 Miles).

Where to go in Ireland in October

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

Map not visible? Whoops sorry! Please refresh the page.
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?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay. 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.

Swimming
4/10
Cycling
6/10
Walking
6/10
Camping
4/10
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.