Measurements:
°C
°F
Mykonos
80°F
S 7 mph
Feels like: 84°F
Precip: 4%
World Resorts Greece Mykonos Weather

Mykonos Sea Water Temperature

Current Sea Water Temperature:
+77.8°F
Maximum Sea Water Temperature in August: 84.4°F
Minimum Sea Water Temperature in August: 75.6°F
Average water temperature in August: 79.6°F

Sea Water Temperature for the Last 10 Days:

August 19 77.8°F August 14 77.6°F
August 18 76.2°F August 13 77.6°F
August 17 75.6°F August 12 77.6°F
August 16 76.4°F August 11 78.2°F
August 15 77.0°F August 10 78.4°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Mykonos was 77.4°F. The maximum and minimum values were 75.6°F and 78.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Mykonos was 78.7°F. The maximum and minimum values were 75.2°F and 81.2°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 83.9 °F
September 79.7 °F
Warmest sea temperature:
August 79.7 °F
July 78.3 °F
September 78.2 °F
The most cold months:
January 56.2 °F
February 56.8 °F
March 58.6 °F
The most rainy months:
January 5 days
December 4 days
February 3 days
The most windy months:
January 18 mph
July 18 mph
February 18 mph

Mykonos on the Weather Map

Greece Resorts:
NAME
Athenes +80
Bali Gr +72
Chalkidiki +80
Chania +76
Corfu +84
Crete +72
Hanioti +80
Heraklion +74
Paralia Katerini +74
Pefkochori +80
Rhodes +78
Sithonia +80
Thasos +74
Thessaloniki +78
Zakynthos +82
24 Hours Weather Forecast
Mykonos
Local time: 03:27
20 aug, thursday
0600 80°F
S
11 mph
0900 80°F
S
15 mph
1200 82°F
S
21 mph
1500 84°F
S
24 mph
1800 84°F
S
22 mph
2100 82°F
S
19 mph
21 aug, friday
0000 82°F
SE
9 mph
0300 80°F
SE
7 mph