Measurements:
°C
°F
Poros
56°F
E 24 mph
Feels like: 52°F
Precip: 0%
World Resorts Greece Poros Weather

Poros Sea Water Temperature

Current Sea Water Temperature:
+64.8°F
Maximum Sea Water Temperature in January: 66.0°F
Minimum Sea Water Temperature in January: 58.4°F
Average water temperature in January: 61.8°F

Sea Water Temperature for the Last 10 Days:

January 10 64.8°F January 05 65.8°F
January 09 64.8°F January 04 65.6°F
January 08 65.0°F January 03 66.0°F
January 07 64.8°F January 02 65.6°F
January 06 65.2°F January 01 65.6°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 57.9 °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 +52
Athos +54
Bali Gr +58
Chalkidiki +54
Chania +52
Corfu +52
Crete +52
Heraklion +54
Kalamata +52
Paralia Katerini +44
Rhodes +58
Santorini +64
Thasos +50
Thessaloniki +44
Zakynthos +52
24 Hours Weather Forecast
Poros
Local time: 00:19
11 jan, sunday
0300 54°F
E
25 mph
0600 54°F
E
16 mph
0900 54°F
E
15 mph
1200 56°F
E
13 mph
1500 58°F
SE
19 mph
1800 56°F
E
16 mph
2100 54°F
E
15 mph
12 jan, monday
0000 52°F
SE
15 mph