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Killarney

Killarney 1
Travel Info
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Travel Info

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Killarney Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Killarney year round climate

  • Spring (March–May): Average 7.5–12.4°C, mild and rainy, with the most rainfall in March. Common activities: Hiking, exploring Killarney National Park. Recommended clothing: Waterproof jacket, warm layers, comfortable hiking shoes.
  • Summer (June–August): Average 14.3–15.7°C, warm and humid, with relatively less rainfall. Common activities: Boat trips, cycling, visiting Muckross House. Recommended clothing: Light and breathable clothing, rain gear.
  • Autumn (September–November): Average 11.9–13.8°C, cool and rainy, with more rainfall in September and November. Common activities: Sightseeing, visiting castles. Recommended clothing: Warm jacket, waterproof clothing.
  • Winter (December–February): Average 6.0–8.0°C, cold and humid, with moderate rainfall. Common activities: Indoor sightseeing, enjoying traditional Irish pubs. Recommended clothing: Thick coat, warm layers, waterproof boots.

Killarney climatological average

Annual average temperature: approx. 10.7°C / Annual rainfall: approx. 1424 mm / Summer humidity: 70%–80% / Rainiest month: March

Killarney monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
6°C
113.1
February
8°C
129.1
March
7.5°C
155.7
April
9.3°C
92.4
May
12.4°C
68.1
June
14.3°C
95.3
July
14.8°C
95.6
August
15.7°C
93.1
September
13.8°C
152.6
October
11.9°C
139.6
November
9°C
153.9
December
6.1°C
135.6

Killarney weather for the next seven days

5/4
Monday
Patchy rain nearby
13°C/4.6°C
5/5
Tuesday
Patchy rain nearby
11.1°C/3.2°C
5/6
Wednesday
Patchy rain nearby
12.2°C/4.5°C
5/7
Thursday
Patchy rain nearby
13.2°C/2°C
5/8
Friday
Moderate rain
12.4°C/2.5°C
5/9
Saturday
Patchy rain nearby
7.8°C/6.8°C
5/10
Sunday
Patchy rain nearby
9.8°C/7.1°C

Killarney Frequently Asked Questions and Useful Information for Travel

Is Killarney, Ireland worth visiting?

Yes, Killarney is generally worth visiting, particularly for its breathtaking scenery, access to the Killarney National Park with iconic sites like Ross Castle and Muckross House, and its role as a base for the Ring of Kerry. While it can be touristy and busy during peak season, visiting in the shoulder seasons of late spring or early autumn can offer a more enjoyable experience with fewer crowds. This 'jewel of southwest Ireland' offers stunning landscapes, including mountains, lakes, waterfalls, and woodlands. Within the park and town, you'll find landmarks like Ross Castle, the 15th-century Muckross House and Gardens, and the ruins of Muckross Abbey. Killarney is a perfect starting point for exploring the famous scenic drive of the Ring of Kerry, known for its coastal beauty.

What is the best time to visit Killarney?

The best time to visit Killarney is in late spring and early autumn, when the weather is still favorable but you won't be fighting the peak summer crowds. Come prepared with a raincoat and waterproof shoes, as rainfall is frequent in every season including the cool winter months.

How many days is enough in Killarney?

If you have the time to spend 3 days, you can truly see the area at your leisure and have time for all of the top things to do in Killarney. One day can be spent wandering the national park, day two can be spent exploring nature nearby, and day three can lead you away from the town on a day trip.

Is Killarney a walkable town?

Killarney is a walkable little town nestled on the edge of the beautiful Killarney National Park. To enter the National Park from the town's centre you would only need to take a short 5 minute stroll.

What are the main attractions in Killarney National Park?

Killarney National Park is home to stunning natural beauty and historical landmarks. Key attractions include the iconic Ross Castle, the magnificent Muckross House and Gardens with its Victorian design, and the ancient ruins of Muckross Abbey. The park also features breathtaking lakes such as Lough Leane, Muckross Lake, and Upper Lake, offering opportunities for boat tours and scenic views.