Lisbon vs Athens

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Athens edges ahead as the better destination in May. Athens offers 12 hours of daily sunshine with only 5 rain days, while Lisbon sees 12 sunshine hours and 6 rain days.

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

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

Lisbon reaches an average high of 21°C (70°F) and drops to 14°C (57°F) at night during May. The daily temperature range is 7°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.

Lisbon receives approximately 44 mm of rainfall across 6 rain days during May. Rain is occasional, so a light rain jacket should suffice.

Athens sees 23 mm over 5 rain days. That makes Athens the drier option by 1 rain day and 21 mm of total precipitation.

Both cities share similar humidity levels at 65%.