Athens weather in May 2026

Q: How hot is it in Athens in May?

Daytime temperatures usually reach 24°C in Athens in May, falling to 14°C at night.

Q: How sunny is it in Athens in May?

There are normally 10 hours of bright sunshine each day in Athens in May - that's 67% of daylight hours.

Q: How warm is the sea around Athens in May?

The average sea temperature around Athens in May is 18°C.

Q: Does it rain in Athens in May?

There are usually 5 days with some rain in Athens in May and the average monthly rainfall is 23mm.

Expect daytime maximum temperatures of 75°F in Athens, Greece in May based on long-term weather averages. There are 10 hours of sunshine per day on average.

75
75°F max day temperature
10
10 hours of sunshine per day
5
5 days with some rainfall
57
57°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
0.9
0.9 inches of monthly rainfall
8
8 (Very High) UV index
64
64°F sea temperature

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The May weather guide for Greece (Athens) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)