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Killarney

Killarney 1
Travel Info
1
Travel Info

Top 10 Must-Do Experiences and Attractions in Killarney

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

9/25
Friday
Patchy rain nearby
15°C/9.9°C
9/26
Saturday
Patchy rain nearby
16.3°C/10.2°C
9/27
Sunday
Patchy rain nearby
13.6°C/8.3°C
9/28
Monday
Patchy rain nearby
14.2°C/7°C
9/29
Tuesday
Overcast
16.3°C/10.8°C
9/30
Wednesday
Patchy rain nearby
12.5°C/8.3°C
10/1
Thursday
Patchy rain nearby
12.3°C/8°C