Thessaloniki weather, is having influences from the Mediterranean climate and also from the continental. The winter is cold with lot’s of humidity and in the early morning hours fog or strong winds are a usual phenomenon. The summer is very warm with clear sunny sky and humidity as well but less strong winds. The majority of the days all year long in Thessaloniki are sunny. Winter snow is a rare phenomenon inside the city but a usual one few km away from it. It does not though last long (max. a couple of days and then it melts). Rainy days are more common in the winter period and less often in the middle of the summer.

Below you can find more detailed info about Thessaloniki climate. The info is based on the HNMS, Hellenic National Meteorological Service.

 

ABSOLUTE MAX. TEMP.: 42oC / ABSOLUTE MIN. TEMP.: -14oC
DATA PERIOD: 1959-1997
1st Semester JAN FEB MAR APR MAY JUN
Monthly Min
Temperature
1.3 2.2 4.5 7.5 12.1 16.3
Monthly Average
Temperature
5.2 6.7 9.7 14.2 19.6 24.4
Monthly Max
Temperature
9.3 10.9 14.2 19.0 24.5 29.2
2nd Semester JUL AUG SEP OCT NOV DEC
Monthly Min
Temperature
18.6 18.3 14.9 10.8 6.8 3.0
Monthly Average
Temperature
26.6 26.0 21.8 16.2 11.0 6.9
Monthly Max
Temperature
31.5 31.1 27.2 21.2 15.4 11.0
1st Semester JAN FEB MAR APR MAY JUN
Monthly Average
Humidity
76.1 73.0 72.4 67.8 63.8 55.9
2nd Semester JUL AUG SEP OCT NOV DEC
Monthly Average
Humidity
53.2 55.3 62.0 70.2 76.8 78.0
1st Semester JAN FEB MAR APR MAY JUN
Monthly Average
Rainfall
36.8 38.0 40.6 37.5 44.4 29.6
Total days
of Rain
11.8 11.3 12.4 11.2 10.7 7.5
2nd Semester JUL AUG SEP OCT NOV DEC
Monthly Average
Rainfall
23.9 20.4 27.4 40.8 54.4 54.9
Total days
of Rain
5.9 4.7 5.9 8.7 11.5 12.5
1st Semester JAN FEB MAR APR MAY JUN
Monthly Average
Wind Direction
NW NW NW NW NW NW
Monthly Average
Wind Speed
5.8 5.9 5.5 5.4 5.1 6.0
2nd Semester JUL AUG SEP OCT NOV DEC
Monthly Average
Wind Direction
NW S NW NW NW NW
Monthly Average
Wind Speed
6.5 5.7 5.4 4.9 5.0 5.4