Very hot in Aug
37°C average high
avg high · 22° at night
25°C+ on almost every day · often 35°C+
Greece
Athens weather in August
Is it warm? Yes. August in Athens is very hot: afternoons average 33°C and nights 23°C. Most days (80%) peak between 30°C and 36°C.
Very hot · average high
33°C
25°C or more on almost every day. 35°C or more on about two in ten days.
- Average low23°overnight
- Sea27°average, 2023–2025
- Rainy days19 mm in the month
- SkyMostly clear8% cloud · 95% clear days
How warm it really gets
Every August afternoon from 2011–2025: 465 days. Most (80%) peaked between 30° and 36°.
August, year by year
The average August high in each year. The warmest, 2024, averaged 35°C; the coolest, 2018, 32°C.
Compared with home
Average August highs. Expect rain on about 1 day (9 mm in a typical month).
- Athens33°
- London22°
- Manchester19°
- Dublin19°
- Cork19°
- Belfast18°
- Glasgow18°
Warmer in August, not much further
Flying times are estimates from Dublin; Athens is about 4h.
Very hot in Aug
38°C average high
avg high · 21° at night
25°C+ on almost every day · often 35°C+
Very hot in Aug
35°C average high
avg high · 25° at night
25°C+ on almost every day · often 35°C+
Air: ERA5 reanalysis via Open-Meteo, 2011–2025. Sea: Copernicus Marine analysis via Open-Meteo, 2023–2025. Rainy day = 2 mm or more. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology