Weather in Ireland in January: A Traveler’s Guide 🌧️☔

January in Ireland is the heart of winter, characterized by cool temperatures, frequent rainfall, and short daylight hours. While it’s not the most popular time for tourists, visiting Ireland in January offers a unique charm—fewer crowds, lower prices, and a chance to experience the country’s cozy pubs and dramatic landscapes in their raw, wintry beauty.

🌡️ Temperature and Climate

Ireland’s temperate maritime climate means January is milder than many other European destinations at similar latitudes, but it’s still chilly and damp.

  • Average temperatures:
    • Daytime: 5–8°C (41–46°F)
    • Nighttime: 1–4°C (34–39°F)
  • Rainfall: Expect rain on ~15–20 days of the month, with western regions (like Galway and Kerry) being wetter than the east.
  • Wind: Coastal areas can be blustery, with occasional storms.
  • Daylight: Only ~8 hours of daylight (sunrise ~8:30 AM, sunset ~4:30 PM).

For a deeper dive into Ireland’s climate patterns, see our Ireland Climate Guide.

❄️ Snow and Frost

Snow is rare in most of Ireland, but frost and icy patches are common, especially inland and in higher elevations like the Wicklow Mountains. If you’re driving, check road conditions and pack warm layers!

🧥 What to Pack

  • Waterproof jacket (essential!)
  • Layered clothing (thermals, sweaters, and a warm coat)
  • Sturdy, waterproof shoes
  • Umbrella (though wind can make it tricky—opt for a hooded jacket)
  • Gloves, scarf, and hat

🌟 Best Things to Do in January

  1. Pub Culture: Warm up in a traditional pub with live music and a pint of Guinness. 🍻
  2. City Breaks: Dublin, Cork, and Galway are lively with post-holiday sales and fewer tourists.
  3. Wild Atlantic Way: Brave the elements for stunning coastal views—just dress for the weather!
  4. Castle Tours: Indoor attractions like Blarney Castle or Kilkenny Castle are perfect for rainy days.
  5. New Year’s Events: Some towns extend festivities into early January with winter festivals.

For seasonal comparisons, see Best Time to Visit Ireland.

⚠️ Travel Tips

  • Book accommodations early if visiting for New Year’s.
  • Public transport runs less frequently in rural areas—check schedules ahead.
  • Museums and galleries offer shelter and cultural enrichment on wet days.

📅 Comparing Months

  • Colder than December: January is usually the coldest month.
  • Milder than February: But still very similar—see Ireland in February for details.

Final Thoughts

January in Ireland is for travelers who don’t mind the chill and want an authentic, crowd-free experience. With the right gear and a flexible itinerary, you can enjoy the Emerald Isle’s legendary hospitality and breathtaking scenery—even in winter!

For more monthly breakdowns, explore our guides to Ireland in December or Ireland in March.

Basic Information about January in Ireland

Feature Details
Average Temperature Approximately 4°C to 8°C (39°F to 46°F)
Daylight Hours Around 8 hours of daylight
Average Rainfall High, with frequent rain showers
Snow Occurrence Possible in northern and elevated areas
Sea Temperature Around 8°C (46°F)
Weather Conditions Generally cold, wet, and windy
Tourist Activity Lower, off-peak season
Festivals and Events New Year’s celebrations, traditional festivals
Average Wind Speed Moderate to strong winds common
Travel Tips Prepare for cold weather and frequent rain

January Weather FAQ for Ireland

Question Answer
What is the average temperature in Ireland during January? The average temperature ranges from 3°C to 8°C, typically cooler in the northern and inland areas.
Does it snow in Ireland in January? Snowfall is possible, especially in the inland and northern regions, but it is generally infrequent and light.
What is the average rainfall in January? January is among the wetter months, with average rainfall around 70-100 mm, often resulting in cloudy and wet days.
Are there longer daylight hours in January? Daylight hours are increasing, with about 8-9 hours of daylight per day, starting to lengthen after the winter solstice.
What are typical weather conditions in January? Expect cold, often damp weather with frequent rain, overcast skies, and occasional frost or snow.
Is January a good time to visit Ireland? While it’s off-peak season with fewer tourists, the weather can be challenging for outdoor activities.
How should visitors prepare for January weather? Bring warm clothing, waterproof gear, and be prepared for variable weather conditions.
Are there any specific weather hazards in January? Potential hazards include icy conditions, heavy rain leading to flooding, and occasional snow or frost.
How does January weather compare to other winter months? January tends to be among the coldest and wettest winter months, with similar conditions to February but slightly colder.