August in Athens averages highs of 33 °C (91 °F) and lows of 23 °C (73 °F), with about 1 rainy day and 13 h 37 min of daylight. The sea is warm, around 28 °C (82 °F).
August weather in Athens at a glance
average high to low each dot ≈ 3 rainy days
Is August a good time to visit Athens?
Mixed weather: very hot and fairly dry. August 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 August 2026
- Sat 15 Aug: Assumption Day (Κοίμηση της Θεοτόκου) public holiday
- Athens Epidaurus Festival wraps up event
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 August
August is hot, so do outdoor sights early in the morning or after 5 pm and save museums and markets for midday.
- 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
- Beach and swimming — the sea averages 28 °C (82 °F) in August. outdoors
Where to stay: Plaka or Koukaki under the Acropolis; Psyrri for nightlife; Kolonaki for upmarket.
What to pack for Athens in August
- Light, breathable clothes, a hat and a water bottle: highs reach 33 °C (91 °F), so plan indoor time around midday.
- Swimwear.
- 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. August is usually high season in Athens: book rooms early, as prices are typically at their highest.
August in nearby cities
| City | High / low | Rainy days | Verdict |
|---|---|---|---|
| Santorini | 28° / 23° | 0 | Great time to go |
| Istanbul | 29° / 22° | 2 | Good time to go |
| Dubrovnik | 30° / 22° | 4 | 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 August a good time to visit Athens?
By the numbers, August is a mixed month: very hot and fairly dry, with average highs of 33 °C (91 °F) and about 1 rainy day. August 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 August?
Average highs are 33 °C (91 °F) and lows 23 °C (73 °F) (2015–2024 averages). The sea is warm, around 28 °C (82 °F).
Does it rain a lot in Athens in August?
Expect about 1 days with 2 mm of rain or more, about 12 mm in total. It is the driest 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.