Current sea water temperature:
+63.9°F
| Minimum sea water temperature in August: | 65.7°F |
| Maximum sea water temperature in August: | 57.6°F |
| Average sea water temperature in August: | 61.3°F |
| more information | |
14 days
forecast
forecast
| Killarney |
monthly
weather
weather
| Killarney |
Sea water temperature for the last 10 days:
| August 28 | 63.9°F | August 23 | 63.3°F |
| August 27 | 63.3°F | August 22 | 63.9°F |
| August 26 | 63.5°F | August 21 | 64.2°F |
| August 25 | 63.5°F | August 20 | 64.9°F |
| August 24 | 63.9°F | August 19 | 65.3°F |
Monthly sea water temperature, °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 64.4°F. The highest and lowest sea temperatures during the month were 65.5°F and 63.3°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:
2025
2024
2023
The average sea water temperature in September of 2025 was 59.7°F. The highest and lowest sea temperatures during the month were 62.2°F and 57.9°F.
current
weather
weather
| Killarney |
weather in
September
September
| Killarney |
Best time for vacation in Killarney
Killarney on a weather map
24 Hours Forecast
Killarney
Local time: 04:37
August 29, saturday
0600
55°F
S
6 mph
6 mph
0900
55°F
SE
4 mph
4 mph
1200
57°F
SE
4 mph
4 mph
1500
64°F
E
10 mph
10 mph
1800
63°F
E
9 mph
9 mph
2100
55°F
NE
4 mph
4 mph
August 30, sunday
0000
55°F
N
4 mph
4 mph
0300
55°F
NW
5 mph
5 mph
