Measurements:
°C
°F
Sithonia
54°F
SW 5 mph
Feels like: 52°F
Precip: 84%
World Resorts Greece Sithonia Weather

Sithonia Sea Water Temperature

Current Sea Water Temperature:
+65.8°F
Maximum Sea Water Temperature in December: 68.0°F
Minimum Sea Water Temperature in December: 57.4°F
Average water temperature in December: 61.8°F

Sea Water Temperature for the Last 10 Days:

December 13 65.8°F December 08 64.0°F
December 12 65.6°F December 07 64.6°F
December 11 65.4°F December 06 64.8°F
December 10 65.2°F December 05 65.0°F
December 09 63.8°F December 04 65.4°F

When is the Warmest Sea for Sithonia?

According to our data for the last three years for Sithonia 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 Sithonia was 82.8°F. The maximum and minimum values were 79.6°F and 85.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Sithonia was 84.0°F. The maximum and minimum values were 81.8°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 Sithonia was 79.4°F. The maximum and minimum values were 76.2°F and 81.2°F respectively.

Best Time to Visit Sithonia
The most sunny months:
July 29 days
August 29 days
September 25 days
The most warm months:
August 88.5 °F
July 88.2 °F
June 82.1 °F
Warmest sea temperature:
August 83.6 °F
July 83.0 °F
September 79.7 °F
The most cold months:
January 51.4 °F
February 53.2 °F
December 55.0 °F
The most rainy months:
January 4 days
March 4 days
December 4 days
The most windy months:
February 9 mph
January 9 mph
March 9 mph

Sithonia on the Weather Map

Greece Resorts:
NAME
Athenes +50
Athos +54
Bali Gr +60
Chalkidiki +56
Chania +58
Corfu +58
Crete +54
Hanioti +56
Heraklion +56
Hersonissos +54
Paralia Katerini +44
Rhodes +56
Santorini +62
Thasos +52
Thessaloniki +42
24 Hours Weather Forecast
Sithonia
Local time: 03:26
14 dec, sunday
0600 52°F
S
4 mph
0900 54°F
S
5 mph
1200 56°F
S
3 mph
1500 58°F
SE
2 mph
1800 56°F
SE
2 mph
2100 54°F
S
1 mph
15 dec, monday
0000 54°F
SW
3 mph
0300 52°F
SW
4 mph