Santorini vs Athens

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Santorini edges ahead as the better destination in May. Santorini offers 12 hours of daily sunshine with only 2 rain days, while Athens sees 12 sunshine hours and 5 rain days.

Santorini sits in the comfortable travel range at 21°C. Athens is also comfortable at 25°C.

For travelers who prioritize dry weather, Santorini is the stronger choice in May.

Santorini reaches an average high of 21°C (70°F) and drops to 17°C (63°F) at night during May. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.

Athens averages 25°C (77°F) for the high and 15°C (59°F) for the low, with a daily range of 10°C. The 4°C difference is noticeable but not dramatic.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in May.

Santorini receives approximately 10 mm of rainfall across 2 rain days during May. Rain is rare this month, so dry conditions are likely.

Athens sees 23 mm over 5 rain days. That makes Santorini the drier option by 3 rain days and 13 mm of total precipitation.

Both cities share similar humidity levels at 65%.