Measurements:
°C
°F
Poros
78°F
SW 7 mph
Feels like: 82°F
Precip: 19%
World Resorts Greece Poros Weather

Poros Sea Water Temperature

Current Sea Water Temperature:
+83.0°F
Maximum Sea Water Temperature in September: 85.2°F
Minimum Sea Water Temperature in September: 78.2°F
Average water temperature in September: 81.5°F

Sea Water Temperature for the Last 10 Days:

September 13 83.0°F September 08 83.8°F
September 12 83.0°F September 07 84.6°F
September 11 83.0°F September 06 83.8°F
September 10 83.0°F September 05 84.0°F
September 09 83.4°F September 04 84.4°F

When is the Warmest Sea for Poros?

According to our data for the last three years for Poros 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 Poros was 83.4°F. The maximum and minimum values were 81.8°F and 86.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Poros was 82.9°F. The maximum and minimum values were 81.0°F and 85.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Poros was 81.4°F. The maximum and minimum values were 78.2°F and 83.2°F respectively.

Best Time to Visit Poros
The most sunny months:
July 30 days
August 30 days
June 27 days
The most warm months:
August 91.6 °F
July 91.6 °F
September 85.5 °F
Warmest sea temperature:
August 83.6 °F
July 82.3 °F
September 81.5 °F
The most cold months:
January 56.6 °F
February 58.0 °F
December 60.2 °F
The most rainy months:
February 3 days
December 3 days
March 2 days
The most windy months:
August 9 mph
February 9 mph
January 9 mph

Poros on the Weather Map

Greece Resorts:
NAME
Athenes +72
Bali Gr +72
Chalkidiki +72
Chania +76
Corfu +78
Crete +72
Hanioti +74
Kassandra +76
Paralia Katerini +68
Pefkochori +74
Rhodes +76
Sithonia +72
Thasos +68
Thessaloniki +66
Zakynthos +74
24 Hours Weather Forecast
Poros
Local time: 03:02
14 sep, monday
0600 78°F
SW
7 mph
0900 78°F
SW
6 mph
1200 80°F
W
6 mph
1500 80°F
NW
11 mph
1800 80°F
NW
11 mph
2100 78°F
W
11 mph
15 sep, tuesday
0000 78°F
W
5 mph
0300 78°F
S
4 mph