Measurements:
°C
°F
Thessaloniki
72°F
E 2 mph
Feels like: 72°F
Precip: 1%
World Resorts Greece Thessaloniki Weather

Thessaloniki Sea Water Temperature

Current Sea Water Temperature:
+74.2°F
Maximum Sea Water Temperature in October: 79.2°F
Minimum Sea Water Temperature in October: 64.4°F
Average water temperature in October: 72.6°F

Sea Water Temperature for the Last 10 Days:

October 04 74.2°F September 29 75.0°F
October 03 74.4°F September 28 77.2°F
October 02 74.8°F September 27 77.4°F
October 01 75.0°F September 26 78.0°F
September 30 75.0°F September 25 78.2°F

When is the Warmest Sea for Thessaloniki?

According to our data for the last three years for Thessaloniki 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 Thessaloniki was 86.6°F. The maximum and minimum values were 84.6°F and 88.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Thessaloniki was 83.7°F. The maximum and minimum values were 81.4°F and 86.4°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Thessaloniki was 82.4°F. The maximum and minimum values were 75.0°F and 88.0°F respectively.

Best Time to Visit Thessaloniki
The most sunny months:
July 28 days
August 26 days
September 23 days
The most warm months:
July 95.4 °F
August 94.8 °F
June 88.4 °F
Warmest sea temperature:
August 84.9 °F
July 83.4 °F
September 80.8 °F
The most cold months:
January 47.4 °F
December 50.9 °F
February 52.4 °F
The most rainy months:
May 3 days
November 3 days
March 3 days
The most windy months:
July 6 mph
April 6 mph
May 6 mph

Thessaloniki on the Weather Map

Greece Resorts:
NAME
F°
Athenes +70
Bali Gr +66
Chalkidiki +68
Chania +66
Corfu +70
Crete +58
Hanioti +70
Paralia Katerini +72
Pefkochori +70
Possidi +70
Rhodes +70
Sithonia +70
Thasos +62
Thessaloniki +72
Zakynthos +70
24 Hours Weather Forecast
Thessaloniki
Local time: 12:21
04 oct, sunday
1500 78°F
NE
6 mph
1800 74°F
NE
9 mph
2100 66°F
N
4 mph
05 oct, monday
0000 62°F
SW
2 mph
0300 60°F
SW
2 mph
0600 58°F
W
2 mph
0900 62°F
SW
2 mph
1200 74°F
E
2 mph