This content was generated using artificial intelligence based on publicly available information. It is provided for general informational purposes only and does not constitute legal, tax, immigration, or professional advice. Information may be incomplete or outdated. Always verify with official sources before making decisions.
Data Source: Safety, crime, and quality metrics are sourced from Numbeo, a crowd-sourced global database of reported data.
All scores are relative comparisons on a 0-100 scale, where 50 = global average. Higher scores mean better than average, lower scores mean worse than average.
Portmarnock offers a refined coastal lifestyle for expats seeking a reprieve from the frantic pace of Dublin while remaining within easy commuting distance. It is defined by its expansive seaside stretches and a calm, community-oriented atmosphere that appeals strongly to families and professionals prioritizing wellness and outdoor access.
While you benefit from reliable public transport links into the city and solid local healthcare, the practical reality involves navigating a competitive housing market and higher-than-average local costs. It is an ideal choice if you value a predictable, safe environment, provided you are comfortable with the trade-off of a quieter, more suburban rhythm compared to the urban core.
Portmarnock has a temperate oceanic climate (Köppen Cfb), with mild summers, cool winters, and changeable weather year-round. Annual rainfall is moderate and spread across many days, while humidity stays relatively high because of the nearby Atlantic influence and the Irish Sea.
Summer Average
17°C
Winter Average
6°C
Climate Type
Oceanic
Rainy Days
120
Sunny Days
140
Humidity
78%
Spring
March - May
8-14°C
Spring is cool to mild, with frequent cloud cover, occasional drizzle, and improving brightness toward late May. Coastal winds can keep temperatures feeling cooler than inland locations.
Moderate rainfall
Summer
June - August
15-19°C
Summer is generally mild rather than hot, with comfortable daytime temperatures and occasional warm spells. Broken cloud and light rain remain common, but this is usually the driest and sunniest part of the year.
Moderate rainfall
Autumn
September - November
9-15°C
Autumn is cool, breezy, and increasingly wet as Atlantic weather systems become more frequent. Conditions often shift quickly between dry, bright intervals and unsettled, rainy periods.
High rainfall
Winter
December - February
4-9°C
Winter is cool, damp, and windy, with frost and snow occurring only occasionally. Cloud cover is common, and temperatures are moderated by the maritime setting.
High rainfall
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Air Quality
Portmarnock
Advantages
Portmarnock
Coastal beach access
Quiet suburban feel
Portmarnock Golf Club
Near Dublin city
Local parks nearby
Disadvantages
Portmarnock
Limited local employment opportunities
Expensive housing market
Minimal nightlife and entertainment
Poor public transport connectivity
No universities or higher education
Safety & Security in Portmarnock
Overall Safety Score
Includes resilience and environmental factors
Good
65
/100
Ireland Avg
55
Europe Avg
58
Worldwide Avg
57
Crime & Safety Metrics
Thermometer compares Portmarnock to Ireland averages using different marker styles.Compare:
Portmarnock
Ireland Average
Safety Index
0510
Good
Safety from Crime
0510
Safe
Safe Alone (Day)
0510
Excellent
Safe Alone (Night)
0510
Good
Safety from Violent Crime
0510
Safe
Safety from Property Crime
0510
Moderate
Environmental & Natural Hazard Risks
Resilience Score: 63/100
No data for Portmarnock — showing hazard indicators from nearby Dublin (~11 km).
