World Resorts Greece Thessaloniki Weather

Thessaloniki sea water temperature

Current sea water temperature:
+64.0°F
Minimum sea water temperature in April: 70.7°F
Maximum sea water temperature in April: 53.2°F
Average sea water temperature in April: 59.5°F

Sea water temperature for the last 10 days:

April 27 64.0°F April 22 63.0°F
April 26 63.0°F April 21 63.1°F
April 25 62.2°F April 20 62.4°F
April 24 61.3°F April 19 61.5°F
April 23 62.4°F April 18 61.7°F

When is the warmest sea in Thessaloniki?

Based on the data about daily sea water temperature for the last three years the warmest sea in Thessaloniki was noticed in August, July and September.

Monthly Sea Temperatures in Thessaloniki, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 81.5°F. The highest and lowest sea temperatures during the month were 82.8°F and 79.9°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 81.3°F. The highest and lowest sea temperatures during the month were 84.7°F and 78.4°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 78.5°F. The highest and lowest sea temperatures during the month were 80.6°F and 75.7°F.

Best time for vacation in Thessaloniki

Sunniest months:
July 28 days
August 26 days
September 24 days
Warmest months:
July 91.0 °F
August 90.3 °F
June 84.6 °F
Warmest sea temp:
August 81.3 °F
July 80.0 °F
September 77.6 °F
Coldest months:
January 47.7 °F
December 50.8 °F
February 52.1 °F
Rainiest months:
May 3 days
November 3 days
March 3 days
Windiest months:
July 6.4 mph
June 6.1 mph
May 6.1 mph

Thessaloniki on a weather map

Thessaloniki
+57°F
N 6 mph
Feels like: +55°F
Precip.: 0%
Places in Greece:
Name
°F
+63°F
+57°F
+50°F
+63°F
+57°F
+59°F
+63°F
+63°F
+64°F
+57°F
+63°F
+57°F
+59°F
+59°F
24 Hours Forecast
Thessaloniki
Local time: 21:11
April 28, tuesday
0000
54°F
W
2 mph
0300
52°F
SW
1 mph
0600
52°F
SW
2 mph
0900
57°F
NW
1 mph
1200
63°F
NE
6 mph
1500
64°F
NE
7 mph
1800
64°F
N
7 mph
2100
57°F
N
5 mph
Units of measurement: °C / °F