World Resorts Ireland Killarney Weather

Killarney sea water temperature

Current sea water temperature:
+59.7°F
Minimum sea water temperature in October: 60.3°F
Maximum sea water temperature in October: 52.3°F
Average sea water temperature in October: 56.0°F

Sea water temperature for the last 10 days:

October 8 59.7°F October 3 59.7°F
October 7 59.7°F October 2 59.7°F
October 6 59.2°F October 1 60.3°F
October 5 59.4°F September 30 60.6°F
October 4 59.4°F September 29 60.8°F

When is the warmest sea in Killarney?

Based on the data about daily sea water temperature for the last three years the warmest sea in Killarney was noticed in August, July and September.

Monthly Sea Temperatures in Killarney, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 64.3°F. The highest and lowest sea temperatures during the month were 65.5°F and 63.1°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 64.9°F. The highest and lowest sea temperatures during the month were 68.0°F and 62.4°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 61.7°F. The highest and lowest sea temperatures during the month were 63.1°F and 60.4°F.

Best time for vacation in Killarney

Sunniest months:
April 5 days
May 4 days
March 4 days
Warmest months:
July 64.9 °F
August 64.0 °F
June 62.0 °F
Warmest sea temp:
August 61.4 °F
July 60.9 °F
September 59.2 °F
Coldest months:
January 45.4 °F
December 46.9 °F
February 47.1 °F
Rainiest months:
December 9 days
January 9 days
November 8 days
Windiest months:
February 11.6 mph
December 11.1 mph
January 10.1 mph

Killarney on a weather map

Killarney
+59°F
E 12 mph
Feels like: +57°F
Precip.: 45%
Places in Ireland:
Name
°F
+59°F
+59°F
+59°F
+59°F
24 Hours Forecast
Killarney
Local time: 04:36
October 09, friday
0600
59°F
E
12 mph
0900
52°F
E
14 mph
1200
54°F
E
15 mph
1500
55°F
E
17 mph
1800
52°F
E
16 mph
2100
50°F
SE
15 mph
October 10, saturday
0000
52°F
SE
15 mph
0300
48°F
E
11 mph
Units of measurement: °C / °F