Measurements:
°C
°F
Marmari
78°F
SE 22 mph
Feels like: 82°F
Precip: 8%
World Resorts Greece Marmari Weather

Marmari Sea Water Temperature

Current Sea Water Temperature:
+78.2°F
Maximum Sea Water Temperature in July: 84.8°F
Minimum Sea Water Temperature in July: 74.0°F
Average water temperature in July: 78.9°F

Sea Water Temperature for the Last 10 Days:

July 13 78.2°F July 08 76.8°F
July 12 78.0°F July 07 77.8°F
July 11 77.8°F July 06 79.2°F
July 10 77.8°F July 05 79.6°F
July 09 77.2°F July 04 80.0°F

When is the Warmest Sea for Marmari?

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

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 Marmari was 81.9°F. The maximum and minimum values were 79.2°F and 84.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Marmari was 78.9°F. The maximum and minimum values were 76.6°F and 80.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Marmari was 79.8°F. The maximum and minimum values were 75.6°F and 82.4°F respectively.

Best Time to Visit Marmari
The most sunny months:
July 31 days
August 31 days
September 29 days
The most warm months:
August 86.8 °F
July 85.8 °F
September 82.0 °F
Warmest sea temperature:
August 81.2 °F
September 79.9 °F
July 79.0 °F
The most cold months:
January 57.8 °F
February 58.3 °F
March 60.3 °F
The most rainy months:
January 7 days
December 6 days
February 5 days
The most windy months:
January 17 mph
February 17 mph
July 16 mph

Marmari on the Weather Map

Greece Resorts:
NAME
Athenes +78
Bali Gr +64
Chalkidiki +78
Chania +76
Corfu +78
Crete +78
Hanioti +78
Heraklion +74
Hersonissos +74
Paralia Katerini +70
Rhodes +78
Sithonia +78
Thasos +74
Thessaloniki +70
Zakynthos +80
24 Hours Weather Forecast
Marmari
Local time: 06:58
14 jul, tuesday
0900 78°F
SE
24 mph
1200 82°F
SE
26 mph
1500 82°F
SE
30 mph
1800 80°F
SE
32 mph
2100 80°F
SE
30 mph
15 jul, wednesday
0000 82°F
S
27 mph
0300 80°F
S
24 mph
0600 76°F
S
24 mph