18.05
mon
mon
Day
68°F
SE 6 mph
Precip.
0%
0%
Night
59°F
NW 3 mph
Precip.
0%
0%
19.05
tue
tue
Day
68°F
E 4 mph
Precip.
100%
100%
Night
59°F
SE 8 mph
Precip.
100%
100%
20.05
wed
wed
Day
68°F
S 14 mph
Precip.
0%
0%
Night
63°F
SE 12 mph
Precip.
0%
0%
21.05
thu
thu
Day
70°F
S 17 mph
Precip.
0%
0%
Night
63°F
SW 5 mph
Precip.
76%
76%
22.05
fri
fri
Day
72°F
S 13 mph
Precip.
71%
71%
Night
63°F
SE 4 mph
Precip.
0%
0%
23.05
sat
sat
Day
70°F
S 7 mph
Precip.
0%
0%
Night
63°F
SW 3 mph
Precip.
100%
100%
24.05
sun
sun
Day
72°F
E 2 mph
Precip.
100%
100%
Night
63°F
SW 2 mph
Precip.
100%
100%
25.05
mon
mon
Day
72°F
SE 7 mph
Precip.
64%
64%
Night
61°F
SE 7 mph
Precip.
100%
100%
26.05
tue
tue
Day
66°F
S 6 mph
Precip.
100%
100%
Night
57°F
S 6 mph
Precip.
100%
100%
27.05
wed
wed
Day
61°F
S 7 mph
Precip.
100%
100%
Night
59°F
SW 3 mph
Precip.
100%
100%
28.05
thu
thu
Day
66°F
NE 6 mph
Precip.
100%
100%
Night
63°F
SW 1 mph
Precip.
0%
0%
29.05
fri
fri
Day
72°F
E 4 mph
Precip.
0%
0%
Night
64°F
NW 2 mph
Precip.
0%
0%
30.05
sat
sat
Day
72°F
S 12 mph
Precip.
0%
0%
Night
61°F
NW 2 mph
Precip.
100%
100%
31.05
sun
sun
Day
68°F
NE 5 mph
Precip.
100%
100%
Night
63°F
N 5 mph
Precip.
0%
0%
sea water
temperature
temperature
| Thessaloniki |
monthly
weather
weather
| Thessaloniki |
current
weather
weather
| Thessaloniki |
7 days
forecast
forecast
| Thessaloniki |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 64.9°F. The highest and lowest sea temperatures during the month were 68.2°F and 61.5°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 76.4°F. The highest and lowest sea temperatures during the month were 80.4°F and 67.5°F.
Air temperature in Thessaloniki, °F
Precipitation total in Thessaloniki, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Thessaloniki
Thessaloniki on a weather map
Places in Greece:
Name
°F
24 Hours Forecast
Thessaloniki
Local time: 08:42
May 18, monday
0900
61°F
S
8 mph
8 mph
1200
68°F
SE
6 mph
6 mph
1500
72°F
E
5 mph
5 mph
1800
70°F
NE
4 mph
4 mph
2100
61°F
N
6 mph
6 mph
May 19, tuesday
0000
59°F
NW
3 mph
3 mph
0300
59°F
SW
2 mph
2 mph
0600
57°F
S
2 mph
2 mph
