Measurements:
°C
°F
Poros
78°F
SE 6 mph
Feels like: 82°F
Precip: 4%
World Resorts Greece Poros Weather

Poros Sea Water Temperature

Current Sea Water Temperature:
+79.0°F
Maximum Sea Water Temperature in June: 83.2°F
Minimum Sea Water Temperature in June: 69.8°F
Average water temperature in June: 76.7°F

Sea Water Temperature for the Last 10 Days:

June 23 79.0°F June 18 78.8°F
June 22 78.6°F June 17 78.0°F
June 21 78.4°F June 16 77.8°F
June 20 78.2°F June 15 77.2°F
June 19 78.8°F June 14 77.6°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Poros was 83.6°F. The maximum and minimum values were 81.4°F and 85.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Poros was 83.0°F. The maximum and minimum values were 80.0°F and 86.8°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:
July 91.9 °F
August 91.8 °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 +76
Bali Gr +62
Chalkidiki +78
Chania +74
Corfu +76
Crete +76
Hanioti +78
Heraklion +70
Hersonissos +70
Paralia Katerini +70
Rhodes +78
Sithonia +78
Thasos +74
Thessaloniki +74
Zakynthos +78
24 Hours Weather Forecast
Poros
Local time: 01:57
24 jun, wednesday
0300 78°F
SE
6 mph
0600 78°F
SE
4 mph
0900 82°F
S
2 mph
1200 84°F
NW
6 mph
1500 84°F
N
11 mph
1800 82°F
NW
9 mph
2100 80°F
NW
2 mph
25 jun, thursday
0000 80°F
S
2 mph