Measurements:
°C
°F
Mykonos
64°F
NW 32 mph
Feels like: 64°F
Precip: 100%
World Resorts Greece Mykonos Weather

Mykonos Sea Water Temperature

Current Sea Water Temperature:
+68.8°F
Maximum Sea Water Temperature in December: 70.0°F
Minimum Sea Water Temperature in December: 60.8°F
Average water temperature in December: 64.3°F

Sea Water Temperature for the Last 10 Days:

December 04 68.8°F November 29 70.2°F
December 03 69.4°F November 28 70.0°F
December 02 69.8°F November 27 69.6°F
December 01 70.0°F November 26 68.8°F
November 30 70.0°F November 25 69.6°F

When is the Warmest Sea for Mykonos?

According to our data for the last three years for Mykonos 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 Mykonos was 79.5°F. The maximum and minimum values were 78.0°F and 82.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Mykonos was 77.8°F. The maximum and minimum values were 74.0°F and 81.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Mykonos was 77.8°F. The maximum and minimum values were 74.8°F and 80.4°F respectively.

Best Time to Visit Mykonos
The most sunny months:
July 31 days
August 30 days
June 29 days
The most warm months:
August 84.7 °F
July 84.2 °F
September 79.7 °F
Warmest sea temperature:
August 79.7 °F
July 78.2 °F
September 78.2 °F
The most cold months:
January 56.1 °F
February 56.7 °F
March 58.8 °F
The most rainy months:
January 5 days
December 4 days
February 3 days
The most windy months:
January 18 mph
July 18 mph
August 17 mph

Mykonos on the Weather Map

Greece Resorts:
NAME
Athenes +60
Athos +58
Bali Gr +62
Chalkidiki +60
Chania +54
Corfu +56
Crete +56
Hanioti +58
Heraklion +62
Hersonissos +58
Paralia Katerini +52
Rhodes +64
Santorini +68
Thasos +62
Thessaloniki +52
24 Hours Weather Forecast
Mykonos
Local time: 06:37
05 dec, friday
0900 64°F
NW
35 mph
1200 66°F
N
18 mph
1500 62°F
NE
13 mph
1800 64°F
NE
21 mph
2100 64°F
NE
21 mph
06 dec, saturday
0000 64°F
NE
18 mph
0300 64°F
NE
18 mph
0600 62°F
NE
14 mph