
Twelve months of Thessaloniki, Greece weather — averages from 2006–2025.
Thessaloniki's warmest month is July (average high 32.2°C (90°F)) and the coolest is January (9.5°C (49.1°F)). The most rain falls in December (about 75 mm), and July is the driest (about 33 mm). June is the sunniest, with about 13.8 hours of sunshine a day.
Ranked within Thessaloniki's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
High 9.5°C (49.1°F)
Low 1.9°C (35.4°F)
High 11.6°C (52.9°F)
Low 3.3°C (37.9°F)
High 14.8°C (58.6°F)
Low 5.9°C (42.6°F)
High 19.1°C (66.4°F)
Low 9.9°C (49.8°F)
High 24.1°C (75.4°F)
Low 14.9°C (58.8°F)
High 29.2°C (84.6°F)
Low 19.7°C (67.5°F)
High 32.2°C (90°F)
Low 22.2°C (72°F)
High 31.9°C (89.4°F)
Low 22.2°C (72°F)
High 26.8°C (80.2°F)
Low 17.9°C (64.2°F)
High 20.8°C (69.4°F)
Low 12.7°C (54.9°F)
High 15.9°C (60.6°F)
Low 8.4°C (47.1°F)
High 10.9°C (51.6°F)
Low 3.8°C (38.8°F)
Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.