Thermopylae Θερμοπύλες
Delphi, Greece

Thermopylae is an archaeological site and a narrow pass in Greece. It is one of the 86 most looked-up sights in the country on English Wikipedia and ranks 11th among Greek sights.
Planning a visit
The warmest months are July and August, with daily highs of about 29 °C and low rainfall of about 16 to 18 mm. For milder weather, May and September offer highs between 22 °C and 25 °C. The wettest period is between November and January, when monthly rainfall reaches up to 88 mm and rainy days occur about 10 times per month.
Thermopylae is located 138 km from Athens. The nearest airport is Nea Anchialos National Airport, which is 52 km away. Visitors can also use Athens Eleftherios Venizelos International Airport, located 156 km from the site. While visiting, the Temple of Apollo is 35 km away.
Weather by month
The warmest month is July, with an average high of 29 °C. The wettest is November, with about 88 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 9 | 9 | 13 | 17 | 22 | 28 | 29 | 29 | 25 | 20 | 14 | 10 |
| Average low, °C | 1 | 1 | 3 | 7 | 11 | 16 | 18 | 18 | 15 | 11 | 6 | 2 |
| Rainfall, mm | 70 | 55 | 58 | 46 | 38 | 20 | 18 | 16 | 28 | 63 | 88 | 78 |
| Rainy days | 10 | 8 | 8 | 5 | 6 | 6 | 3 | 4 | 6 | 6 | 11 | 10 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.