Here are occasions in which you should not provide references in your resume. 1  When you're short on space: typically, your resume should be one page or less, unless you've been in the industry for a long time. If your resume has a lot of information, that real estate is better suited for competencies than references.
March also has unpredictable weather sometimes in Santorini (and in Greece), but nothing to worry about. Chances are that you will get sunny days with around 15-20 degrees Celsius, though. In April, the weather becomes warmer every day and it can reach 25 degrees celsius with clear skies and sun.
The weather in Santorini on May is always good. The average temperature is about 19 degrees. Late in the afternoon and evening it's cold but not too much. Dependants on you and in what weather you are used to (like the country you are coming from). October most of times is hotter than May.