Weather In Santorini Greece March 2025 Average Temperature. Things begin to warm up in santorini, greece in march, when the spring season is just beginning. As the month progressed, temperatures tended to slightly increase, reaching an average of 15.7 °.
In general, the average temperature in santorini island at the beginning of march is 15.3 ° c. Monthly weather forecast ⚡ in santorini airport, south aegean, greece for february, march 2025.