Measurements:
°C
°F
Lastovo
56°F
SW 5 mph
Feels like: 56°F
Precip: 0%
World Resorts Croatia Lastovo Weather

Lastovo Sea Water Temperature

Current Sea Water Temperature:
+65.2°F
Maximum Sea Water Temperature in December: 68.0°F
Minimum Sea Water Temperature in December: 60.0°F
Average water temperature in December: 64.1°F

Sea Water Temperature for the Last 10 Days:

December 13 65.2°F December 08 65.4°F
December 12 65.4°F December 07 65.8°F
December 11 65.4°F December 06 65.2°F
December 10 65.8°F December 05 65.0°F
December 09 66.0°F December 04 65.0°F

When is the Warmest Sea for Lastovo?

According to our data for the last three years for Lastovo the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Lastovo was 79.5°F. The maximum and minimum values were 77.6°F and 81.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Lastovo was 79.9°F. The maximum and minimum values were 76.6°F and 83.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Lastovo was 79.8°F. The maximum and minimum values were 78.0°F and 80.8°F respectively.

Best Time to Visit Lastovo
The most sunny months:
July 28 days
August 27 days
June 25 days
The most warm months:
August 85.1 °F
July 83.9 °F
June 78.7 °F
Warmest sea temperature:
August 81.3 °F
July 79.8 °F
September 78.4 °F
The most cold months:
January 51.7 °F
February 53.0 °F
December 55.6 °F
The most rainy months:
November 7 days
December 6 days
February 6 days
The most windy months:
February 12 mph
November 12 mph
January 11 mph

Lastovo on the Weather Map

Croatia Resorts:
NAME
Baska Voda +52
Brela +52
Dubrovnik +52
Hvar +56
Istria +48
Klek +42
Makarska +42
Omis +44
Porec +48
Pula +48
Rijeka +38
Rovinj +48
Split +44
Zadar +50
Zagreb +36
24 Hours Weather Forecast
Lastovo
Local time: 04:08
14 dec, sunday
0600 56°F
SW
4 mph
0900 56°F
SW
4 mph
1200 56°F
S
2 mph
1500 58°F
SE
3 mph
1800 58°F
SE
6 mph
2100 58°F
S
3 mph
15 dec, monday
0000 56°F
S
3 mph
0300 56°F
SW
4 mph