Heraklion Sea Temperature

(Today) 2024

23.6°C / 74.4°F

The water will feel warm (balmy). Most people will be OK with just bathers / swimming costume at this temperature. If you intend to stay in the water for a while a thin shorty wetsuit will suffice.

Current weather

35°C / 95°F
(clear sky)
Partly cloudy
Wind
3 mph
Humidity
25%

The measurements for the water temperature in Heraklion are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Heraklion water temperature derived from many years of historical sea surface temperature data.

Heraklion average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Heraklion
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 15.5 15.1 15.5 15.4 17.4 20.9 23.7 24.3 23.9 20.8 18.3 15.9
Max °C 18.1 17.4 17.4 18.5 21.2 24.7 27.1 27.5 26.1 24.9 21.9 19.7
Min °F 60.9 60.1 60.6 60.9 64.8 71.1 76 77 75.9 71 66.4 62.1
Max °F 63.5 62.4 62.5 64 68.6 74.9 79.4 80.2 78.1 75.1 70 65.9

The warmest water temperature is in August with an average around 78.6°F / 25.9°C. The coldest month is February with an average water temperature of 61.2°F / 16.2°C.