Current sea water temperature:
+78.8°F
| Minimum sea water temperature in September: | 82.6°F |
| Maximum sea water temperature in September: | 70.5°F |
| Average sea water temperature in September: | 75.7°F |
| more information | |
14 days
forecast
forecast
| Lastovo |
monthly
weather
weather
| Lastovo |
Sea water temperature for the last 10 days:
| September 14 | 78.8°F | September 9 | 80.8°F |
| September 13 | 79.9°F | September 8 | 81.5°F |
| September 12 | 80.6°F | September 7 | 81.3°F |
| September 11 | 80.8°F | September 6 | 82.2°F |
| September 10 | 80.4°F | September 5 | 81.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Lastovo?
Based on the data about daily sea water temperature for the last three years the warmest sea in Lastovo was noticed in August, July and September.
Monthly Sea Temperatures in Lastovo, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 81.1°F. The highest and lowest sea temperatures during the month were 82.0°F and 78.6°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 78.5°F. The highest and lowest sea temperatures during the month were 81.1°F and 76.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 76.8°F. The highest and lowest sea temperatures during the month were 77.7°F and 75.2°F.
current
weather
weather
| Lastovo |
weather in
September
September
| Lastovo |
Best time for vacation in Lastovo
Lastovo on a weather map
Places in Croatia:
Name
°F
24 Hours Forecast
Lastovo
Local time: 03:22
September 15, tuesday
0600

72°F
SW
11 mph
11 mph
0900

73°F
SW
9 mph
9 mph
1200

77°F
SE
6 mph
6 mph
1500

77°F
E
12 mph
12 mph
1800

75°F
E
14 mph
14 mph
2100

75°F
S
2 mph
2 mph
September 16, wednesday
0000

73°F
SW
9 mph
9 mph
0300

72°F
SW
9 mph
9 mph


























