Lifestyle

Ireland — Living: Climate

Ireland averages 9.7°C over the year and about 1208 mm of precipitation (national averages for 1991-2020, World Bank Climate Change Knowledge Portal, CRU TS 4.07 data), with July the warmest month and January the coolest.

VerifiedGovernment / official sourceWorld Bank — Climate Change Knowledge Portal (CRU TS 4.07 climate normals, 1991-2020)Last reviewed: 2026-10-18

Why this matters

Understanding Ireland's climate is essential for relocating individuals to plan accordingly and prepare for the potential weather conditions.

Key facts

  • Average annual temperature: 9.7°C (national average, 1991-2020)
  • Warmest month: July, 15.1°C on average
  • Coolest month: January, 5.3°C on average
  • Average annual precipitation: 1208 mm (1991-2020)
  • Wettest month: November, 134 mm on average
  • Driest month: May, 77 mm on average

Steps

  1. Preparing for Rainy Days — Relocating individuals should consider investing in waterproof clothing and gear, as well as umbrellas and raincoats. It's also essential to have a reliable means of transportation, such as a car or bike, to navigate through rainy conditions.
  2. Understanding Weather Forecasts — It's crucial to stay informed about weather forecasts, which can be unreliable at times. Relocating individuals should learn to read and understand weather forecasts to plan their daily activities accordingly.

Costs

  • Waterproof gear and clothing: €50-€100 for basic equipment

Timelines

  • Adjusting to Ireland's climate: A few weeks to a few months, depending on individual adaptability

Common mistakes

  • Underestimating the frequency and intensity of rainfall
  • Not investing in waterproof gear and clothing

Monthly averages, 1991-2020 (national)

January: 5.3°C, 120 mm February: 5.6°C, 96 mm March: 6.7°C, 85 mm April: 8.5°C, 78 mm May: 10.8°C, 77 mm June: 13.3°C, 79 mm July: 15.1°C, 91 mm August: 14.8°C, 94 mm September: 13.1°C, 99 mm October: 10.2°C, 122 mm November: 7.4°C, 134 mm December: 5.7°C, 133 mm

What these figures do not cover

These are country-wide averages. Climate varies a lot between regions, coasts, mountains and cities, and individual years differ from the long-term average. Heat waves, humidity, air quality and seasonal hazards are not covered here.

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