Current sea water temperature:
+52.0°F
| Minimum sea water temperature in April: | 54.7°F |
| Maximum sea water temperature in April: | 46.0°F |
| Average sea water temperature in April: | 50.2°F |
| more information | |
14 days
forecast
forecast
| Killarney |
monthly
weather
weather
| Killarney |
Sea water temperature for the last 10 days:
| April 27 | 52.0°F | April 22 | 50.7°F |
| April 26 | 51.1°F | April 21 | 51.3°F |
| April 25 | 51.1°F | April 20 | 50.9°F |
| April 24 | 50.5°F | April 19 | 50.7°F |
| April 23 | 50.2°F | April 18 | 50.4°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:
2025
2024
2023
The average sea water temperature in July of 2025 was 62.7°F. The highest and lowest sea temperatures during the month were 63.3°F and 61.7°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
May
May
| Killarney |
Best time for vacation in Killarney
Killarney on a weather map
24 Hours Forecast
Killarney
Local time: 14:28
April 27, monday
1500
63°F
S
6 mph
6 mph
1800
61°F
S
6 mph
6 mph
2100
52°F
S
4 mph
4 mph
April 28, tuesday
0000
45°F
S
3 mph
3 mph
0300
43°F
SW
2 mph
2 mph
0600
43°F
SW
3 mph
3 mph
0900
55°F
SW
4 mph
4 mph
1200
61°F
W
5 mph
5 mph
