Measurements:
°C
°F
Thessaloniki
66°F
N 12 mph
Feels like: 66°F
Precip: 0%
World Resorts Greece Thessaloniki Weather

7 Day Weather Forecast

05.14
thu
DAY
68°F
SE 3 mph
precip
64%
NIGHT
58°F
NW 5 mph
precip
100%
05.15
fri
DAY
68°F
NE 6 mph
precip
0%
NIGHT
60°F
NW 1 mph
precip
0%
05.16
sat
DAY
74°F
N 7 mph
precip
0%
NIGHT
66°F
W 3 mph
precip
75%
05.17
sun
DAY
74°F
SE 7 mph
precip
0%
NIGHT
64°F
N 1 mph
precip
0%
05.18
mon
DAY
72°F
SE 11 mph
precip
0%
NIGHT
64°F
NW 2 mph
precip
0%
05.19
tue
DAY
70°F
SE 17 mph
precip
0%
NIGHT
60°F
S 14 mph
precip
0%
05.20
wed
DAY
66°F
S 14 mph
precip
0%
NIGHT
56°F
S 9 mph
precip
0%

Thessaloniki Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Thessaloniki was 19.7°F. The maximum and minimum values were 18.4°F and 21.5°F respectively.

Thessaloniki on the Weather Map

Best Time to Visit Thessaloniki
The most sunny months:
July 28 days
August 26 days
September 24 days
The most warm months:
July 95.5 °F
August 94.8 °F
June 88.5 °F
Warmest sea temperature:
August 84.8 °F
July 83.3 °F
September 80.7 °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
June 6 mph
May 6 mph