Is May a good month to visit Greece?

Yes, with caveats. Comfortable temperatures, smaller crowds than peak summer. Sea around 20°C — bracing entry, fine once you're in.

Can you swim in Greece in May?

Sea is around 19.5°C — local-only territory in May.

What's the average rainfall in Greece in May?

About 17 mm on the 1991-2020 baseline — dry.

Is May crowded in Greece?

Manageable — May is shoulder season in Greece. Most venues open without the high-summer queues. Sweet spot for many travellers.

Greece · May 2026

Greece weather in May 2026

Comfortable summer-shoulder weather — Greece averages a 26°C high in May. Largely dry. Sea 19.5°C — brisk but doable.

Avg high

26°C

Avg low

15.6°C

Rainfall

17.2 mm

Dry

Sun

0 h/day

Sea temp

19.5°C

Brisk but doable

What to wear

Daytime is t-shirt-and-shorts; evenings warrant a jumper or a light jacket near the water. Sun-block on the strong end of the spectrum — UV is still high under haze.

What’s open in May

Year-round spots plus seasonal venues whose own season covers May. Tap through for the editorial detail page.

Common questions

Is May a good month to visit Greece?: Yes, with caveats. Comfortable temperatures, smaller crowds than peak summer. Sea around 20°C — bracing entry, fine once you're in.
Can you swim in Greece in May?: Sea is around 19.5°C — local-only territory in May.
What's the average rainfall in Greece in May?: About 17 mm on the 1991-2020 baseline — dry.
Is May crowded in Greece?: Manageable — May is shoulder season in Greece. Most venues open without the high-summer queues. Sweet spot for many travellers.