Heraklion, Crete weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Excellent
Best time to visit: June – October
What is the weather like in Heraklion, Crete in August?
In August, Heraklion, Crete is hot: daytime highs average 31 °C, and even at night it stays warm at around 22 °C. The sea averages 25.7 °C – pleasant for swimming. With around 12 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 19 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Heraklion, Crete.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 99 | 100 | 100 |
| Day | 31° | 31° | 28° |
| Night | 22° | 22° | 20° |
| Sea | 25° | 26° | 25° |
| Sun | 13 h | 12 h | 10 h |
| Rain days | 1 | 1 | 3 |
More details for August
- Daylight
- 13 h 32 min06:38 – 20:10
- UV index
- 9 · very highclear sky, noon (estimate)
- Muggy days
- 13 daysdew point 18 °C or more
- Wind
- 17 km/haverage daily peak
- Cloud cover
- 4 %on average
- Hot days
- 19 days30 °C or more
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
Heraklion, Crete in August: quick answers
Is Heraklion, Crete hot in August?
Yes. In August, Heraklion, Crete is hot: daytime highs average 31 °C and nights stay around 22 °C. On about 19 days the thermometer climbs to 30 °C or more.
Can you swim in Heraklion, Crete in August?
Yes. In August the sea averages 25.7 °C – pleasant for swimming.
Does it rain much in Heraklion, Crete in August?
It hardly ever rains.
Heraklion, Crete month by month
The whole year in Heraklion, CreteAll destinations: Greece
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)