May in Athens averages highs of 25 °C (77 °F) and lows of 16 °C (60 °F), with about 4 rainy days and 14 h 12 min of daylight. The sea is fresh, around 19 °C (66 °F): fine for a quick swim.
May weather in Athens at a glance
average high to low each dot ≈ 3 rainy days
Is May a good time to visit Athens?
Great time to go: comfortably warm and fairly dry. May is usually high season in Athens: book rooms early, as prices are typically at their highest.
Our rule: a month scores 2 points for comfortable average highs of 18–28 °C (1 point for 14–18 or 28–32 °C) and 2 points for 5 or fewer rainy days (1 point for 6–10). Average highs above 35 °C or below 8 °C make it a tough month whatever the rain. A rainy day here means 2 mm of rain or more. 4 points = great, 3 = good, 2 = mixed, 0–1 = tough.
Holidays and events in May 2026
- Fri 1 May: Labour Day (Εργατική Πρωτομαγιά) public holiday
- Sun 31 May: Pentecost (Πεντηκοστή) public holiday
Banks and many shops close on public holidays, and museums may change their hours, so check before you go.
Things to do in Athens in May
May's weather suits a mix of outdoor sights and museums, so the open-air ones come first.
- Acropolis and the Parthenon — go at opening time outdoors
- Ancient Agora — Temple of Hephaestus outdoors
- Plaka and Anafiotika — island-style lanes outdoors
- Cape Sounion sunset — Temple of Poseidon, 70 km south outdoors
- Acropolis Museum — glass floors over excavations indoors
- National Archaeological Museum — Greece's greatest collection indoors
Where to stay: Plaka or Koukaki under the Acropolis; Psyrri for nightlife; Kolonaki for upmarket.
What to pack for Athens in May
- Light layers for the day.
- Comfortable walking shoes.
What a day in Athens costs
| Budget traveller | Mid-range | |
|---|---|---|
| Typical total per person, per day | €50–110 | €130–270 |
Excluding flights. May is usually high season in Athens: book rooms early, as prices are typically at their highest.
May in nearby cities
| City | High / low | Rainy days | Verdict |
|---|---|---|---|
| Santorini | 22° / 17° | 2 | Great time to go |
| Istanbul | 21° / 13° | 7 | Good time to go |
| Dubrovnik | 22° / 14° | 10 | Good time to go |
Plan your Athens trip
Want the whole trip planned? Join the Journey waitlist: tell it where, when and your budget, and it plans every day hour by hour.
FAQ
Is May a good time to visit Athens?
By the numbers, May is a great time to go: comfortably warm and fairly dry, with average highs of 25 °C (77 °F) and about 4 rainy days. May is usually high season in Athens: book rooms early, as prices are typically at their highest. The best months for weather are April, May, October.
How warm is Athens in May?
Average highs are 25 °C (77 °F) and lows 16 °C (60 °F) (2015–2024 averages). The sea is fresh, around 19 °C (66 °F): fine for a quick swim.
Does it rain a lot in Athens in May?
Expect about 4 days with 2 mm of rain or more, about 30 mm in total. It is the 6th wettest month of the year in Athens.
Sources: climate averages from Open-Meteo historical weather (ERA5 reanalysis, 2015–2024); sea temperatures from the Open-Meteo marine API (2023–2024); public holidays from Nager.Date. Daylight is calculated for the 15th of the month. Averages are a guide, not a forecast. Costs are typical ranges per person per day, excluding flights.