Hagios Demetrios Άγιος Δημήτριος
Thessaloniki, Greece UNESCO World Heritage Site

Hagios Demetrios is a Byzantine architecture church building and an archaeological site in Greece. It is part of the Paleochristian and Byzantine monuments of Thessaloniki, which is a UNESCO World Heritage Site.
Planning a visit
The warmest months are July and August, with daily highs of 30 °C. The driest period is between July and August, when there are about 4 or 5 rainy days per month. The coolest months are January and December, with daily highs of 9 °C and lows of 2 °C or 3 °C.
The site is 13 km from Thessaloniki Macedonia International Airport and 303 km from Athens. Visitors can combine a visit to Hagios Demetrios with nearby sites such as the Church of the Acheiropoietos, Hagia Sophia, Thessaloniki, the Walls of Thessaloniki, or the Arch of Galerius and Rotunda.
Weather by month
The warmest month is July, with an average high of 30 °C. Rain is spread fairly evenly through the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 9 | 10 | 13 | 18 | 23 | 28 | 30 | 30 | 26 | 20 | 14 | 9 |
| Average low, °C | 2 | 3 | 6 | 10 | 15 | 19 | 22 | 22 | 18 | 13 | 7 | 3 |
| Rainfall, mm | 41 | 40 | 44 | 44 | 52 | 38 | 28 | 27 | 33 | 53 | 62 | 65 |
| Rainy days | 8 | 7 | 9 | 7 | 9 | 9 | 4 | 5 | 6 | 5 | 8 | 7 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.