Measurements:
°C
°F
Kymi
56°F
S 8 mph
Feels like: 52°F
Precip: 79%
World Resorts Greece Kymi Weather

Kymi Sea Water Temperature

Current Sea Water Temperature:
+64.6°F
Maximum Sea Water Temperature in December: 68.2°F
Minimum Sea Water Temperature in December: 58.4°F
Average water temperature in December: 62.6°F

Sea Water Temperature for the Last 10 Days:

December 13 64.6°F December 08 65.4°F
December 12 64.6°F December 07 65.6°F
December 11 64.8°F December 06 65.0°F
December 10 65.2°F December 05 65.0°F
December 09 65.4°F December 04 65.2°F

When is the Warmest Sea for Kymi?

According to our data for the last three years for Kymi 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 Kymi was 82.4°F. The maximum and minimum values were 80.4°F and 84.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Kymi was 82.3°F. The maximum and minimum values were 80.0°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 Kymi was 79.8°F. The maximum and minimum values were 76.8°F and 82.2°F respectively.

Best Time to Visit Kymi
The most sunny months:
July 29 days
August 28 days
June 24 days
The most warm months:
July 88.5 °F
August 87.8 °F
June 82.8 °F
Warmest sea temperature:
August 82.6 °F
July 81.4 °F
September 79.6 °F
The most cold months:
January 52.5 °F
February 54.8 °F
December 55.9 °F
The most rainy months:
January 5 days
February 5 days
December 4 days
The most windy months:
August 9 mph
January 9 mph
February 9 mph

Kymi on the Weather Map

Greece Resorts:
NAME
Athenes +54
Athos +56
Bali Gr +62
Chalkidiki +56
Chania +54
Corfu +58
Crete +56
Hanioti +56
Heraklion +60
Hersonissos +58
Paralia Katerini +48
Rhodes +58
Santorini +64
Thasos +52
Thessaloniki +48
24 Hours Weather Forecast
Kymi
Local time: 09:55
13 dec, saturday
1200 58°F
S
10 mph
1500 56°F
S
11 mph
1800 54°F
S
9 mph
2100 54°F
S
8 mph
14 dec, sunday
0000 52°F
S
8 mph
0300 52°F
S
7 mph
0600 52°F
S
7 mph
0900 54°F
S
6 mph