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Thessaloniki, Greece Weather Averages

July is the hottest month in Thessaloniki with an average temperature of 25°C (77°F) and the coldest is January at 6°C (42°F) with the most daily sunshine hours at 12 in July. The wettest month is November with an average of 80mm of rain. The best month to swim in the sea is in July when the average sea temperature is 27°C (79°F).

Average Temperature Thessaloniki

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Thessaloniki

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Thessaloniki

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Thessaloniki

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Average Sea Temperature Thessaloniki

What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

Thessaloniki : Next 24-Hour Weather

Today - 23rd August 2026

Sunrise 06:46

Sunrise

Sunset 20:15

Sunset
15:00
Patchy rain possible
38°C (100°F)
16:00
Clear
38°C (99°F)
17:00
Clear
37°C (98°F)
18:00
Clear
37°C (97°F)
19:00
Clear
35°C (94°F)
20:00
Clear
32°C (89°F)
21:00
Patchy rain possible
27°C (80°F)
22:00
Clear
30°C (84°F)
23:00
Partly cloudy
29°C (84°F)

Tomorrow - 24th August 2026

Sunrise 06:46

Sunrise

Sunset 20:15

Sunset
0:00
Clear
30°C (84°F)
1:00
Clear
29°C (83°F)
2:00
Clear
27°C (80°F)
3:00
Patchy rain possible
27°C (80°F)
4:00
Clear
28°C (82°F)
5:00
Partly cloudy
27°C (80°F)
6:00
Partly cloudy
26°C (79°F)
7:00
Cloudy
26°C (79°F)
8:00
Clear
28°C (81°F)
9:00
Clear
30°C (85°F)
10:00
Clear
32°C (88°F)
11:00
Clear
33°C (91°F)
12:00
Clear
35°C (94°F)
13:00
Clear
36°C (96°F)
14:00
Clear
37°C (98°F)