Get Exclusive App Deals

Killarney

Killarney 1
Travel guide
1
Travel guide
More destinations

Best time to visit Killarney

Data source:Meteostat
Last updated:2025-09

Weather in Killarney throughout the year

  • 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.

Weather in Killarney

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

Killarney weather by month

Month
Temperature (°C)
Rainfall (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

7-day weather forecast for Killarney

11/12
Thursday
Sunny
6.8°C/0.2°C
11/13
Friday
Overcast
7.6°C/-0.9°C
11/14
Saturday
Patchy rain nearby
10.3°C/5.5°C
11/15
Sunday
Patchy rain nearby
8°C/2.1°C
11/16
Monday
Patchy rain nearby
6°C/0.6°C
11/17
Tuesday
Light drizzle
5.9°C/2.8°C
11/18
Wednesday
Partly Cloudy
7.6°C/1.5°C