Weather in Ireland in October 2025 Temperature Rain and Light

Ireland in October 2025 offers a mix of autumn beauty, cooler temperatures, and occasional rain showers, making it an ideal time for travelers who enjoy scenic landscapes and fewer crowds. This guide covers the temperature, rainfall, and daylight hours you can expect during your visit.

Weather Overview for Ireland in October 2025

October marks the transition from autumn to early winter in Ireland. The weather during this month is characterized by mild temperatures, moderate rainfall, and shorter daylight hours compared to summer. However, the fall foliage across the countryside makes it a picturesque time to explore.

Average Temperature in Ireland in October 2025

Daytime Temperatures: Typically range between 12°C to 15°C (54°F to 59°F).
Nighttime Temperatures: Can drop to around 6°C to 9°C (43°F to 48°F).

While the temperatures are cooler, they are rarely freezing, so layered clothing and a light jacket are often sufficient.

Rainfall and Precipitation in October

Ireland is known for its unpredictable rain showers, and October is no exception:

Average Rainfall: Approximately 80–120 mm (3.1–4.7 inches) of precipitation over 20–23 days.
Rainy Days: Expect light drizzles rather than heavy downpours.

Carrying a waterproof jacket or umbrella is highly recommended, especially if you plan to explore outdoor attractions.

Daylight Hours in October

As autumn deepens, daylight hours decrease:

Sunrise: Around 7:45 AM to 8:15 AM by mid-to-late October.
Sunset: Between 6:45 PM and 5:50 PM later in the month.

This shorter daylight window means travelers should plan sightseeing trips earlier in the day.

Wind and Humidity Levels

Wind Speeds: Moderate breezes ranging from 15–25 km/h (9–16 mph) are common, especially along coastal areas.
Humidity Levels: Remain relatively high, averaging 75–90%, contributing to the damp feel of the weather.

Weather Conditions in Popular Cities

Dublin

Temperature: 10°C–14°C (50°F–57°F)
Rainfall: Around 80–100 mm (3.1–3.9 inches)
Conditions: Overcast skies with occasional sunny spells.

Galway (West Coast)

Temperature: 9°C–13°C (48°F–55°F)
Rainfall: Higher than Dublin, with 100–120 mm (3.9–4.7 inches) due to its proximity to the Atlantic Ocean.
Conditions: Windy and wetter, ideal for dramatic coastal views.

Cork (South)

Temperature: 10°C–14°C (50°F–57°F)
Rainfall: Similar to Dublin, around 90–110 mm (3.5–4.3 inches).
Conditions: Mild temperatures with light rain showers throughout the month.

Best Clothing for October Weather in Ireland

Since the weather can change quickly, dressing in layers is key:

Base Layer: Lightweight, moisture-wicking shirts.
Mid-Layer: Warm sweaters or fleece jackets.
Outer Layer: Waterproof jackets and windbreakers.
Footwear: Waterproof shoes or boots for walking on damp streets or muddy trails.
Accessories: Hats, scarves, and gloves for chillier evenings.

What to Pack for Ireland in October?

Rain Gear: Umbrella, raincoat, or poncho.
Warm Clothing: Sweaters, thermal socks, and scarves.
Comfortable Shoes: Ideal for cobblestone streets and countryside walks.
Day Bag: To carry essentials for day trips.
Travel Adapter: For charging devices (Type G sockets).
Camera: For capturing vibrant fall foliage and scenic views.

Activities to Enjoy in Ireland in October

1. Explore Dublin’s Cultural Sites

Visit museums like the National Museum of Ireland or enjoy the cozy pubs with live music.

2. Admire Autumn Colors in Parks

St. Stephen’s Green in Dublin and Killarney National Park in County Kerry offer stunning fall landscapes.

3. Attend Halloween Festivals

Ireland is believed to be the birthplace of Halloween (Samhain), and cities like Derry host vibrant celebrations and spooky tours.

4. Experience the Wild Atlantic Way

Coastal drives along this route offer breathtaking views of cliffs and rolling waves, even in cooler weather.

5. Discover Castles and Ruins

October’s misty atmosphere adds a magical touch to historic sites like Blarney Castle and Rock of Cashel.

Tips for Traveling to Ireland in October

Book Accommodation Early: Popular cities like Dublin and Galway attract tourists even in autumn.
Prepare for Weather Changes: The weather can shift quickly, so always carry a rain jacket or umbrella.
Check Local Festivals: October hosts many cultural events and food festivals worth exploring.
Plan Indoor and Outdoor Activities: Mix outdoor sightseeing with indoor tours to balance weather unpredictability.
Rent a Car for Flexibility: Rural areas and scenic routes are easier to explore with personal transportation.

Final Thoughts

October 2025 in Ireland is a season of cozy weather, colorful landscapes, and rich cultural experiences. Whether you’re exploring medieval castles, enjoying lively pubs, or taking scenic coastal drives, Ireland in autumn has something magical to offer.

Pack wisely, dress warmly, and get ready to embrace Ireland’s beauty as it transitions into winter!