Measurements:
°C
°F
Thessaloniki
46°F
S 2 mph
Feels like: 46°F
Precip: 0%
World Resorts Greece Thessaloniki Weather

7 Day Weather Forecast

12.18
thu
DAY
52°F
SE 4 mph
precip
0%
NIGHT
48°F
SW 2 mph
precip
0%
12.19
fri
DAY
54°F
SE 1 mph
precip
0%
NIGHT
48°F
SW 2 mph
precip
0%
12.20
sat
DAY
52°F
E 2 mph
precip
0%
NIGHT
48°F
SW 2 mph
precip
76%
12.21
sun
DAY
54°F
S 1 mph
precip
0%
NIGHT
50°F
W 1 mph
precip
28%
12.22
mon
DAY
52°F
W 1 mph
precip
51%
NIGHT
48°F
SW 2 mph
precip
70%
12.23
tue
DAY
50°F
W 2 mph
precip
67%
NIGHT
50°F
W 4 mph
precip
78%
12.24
wed
DAY
54°F
W 1 mph
precip
20%
NIGHT
52°F
NW 3 mph
precip
0%

Thessaloniki Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Thessaloniki was 15.0°F. The maximum and minimum values were 14.2°F and 15.9°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 50.8 °F
February 52.4 °F
The most rainy months:
March 4 days
May 3 days
November 3 days
The most windy months:
July 6 mph
June 6 mph
April 6 mph