Current sea water temperature:
+66.9°F
| Minimum sea water temperature in July: | 68.0°F |
| Maximum sea water temperature in July: | 56.5°F |
| Average sea water temperature in July: | 60.8°F |
| more information | |
14 days
forecast
forecast
| Killarney |
monthly
weather
weather
| Killarney |
Sea water temperature for the last 10 days:
| July 19 | 66.9°F | July 14 | 67.6°F |
| July 18 | 67.1°F | July 13 | 67.1°F |
| July 17 | 67.3°F | July 12 | 66.2°F |
| July 16 | 67.5°F | July 11 | 65.3°F |
| July 15 | 68.0°F | July 10 | 64.4°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:
2025
2024
2023
The average sea water temperature in August of 2025 was 63.2°F. The highest and lowest sea temperatures during the month were 64.9°F and 61.5°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 64.8°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
July
July
| Killarney |
Best time for vacation in Killarney
Killarney on a weather map
24 Hours Forecast
Killarney
Local time: 12:40
July 19, sunday
1500
72°F
S
7 mph
7 mph
1800
72°F
S
8 mph
8 mph
2100
59°F
SE
4 mph
4 mph
July 20, monday
0000
50°F
S
2 mph
2 mph
0300
50°F
S
2 mph
2 mph
0600
48°F
S
2 mph
2 mph
0900
63°F
SW
4 mph
4 mph
1200
70°F
S
6 mph
6 mph
