Istiaía monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Istiaía

Istiaía average temperature chart (Celsius) Istiaía average temperature chart (Fahrenheit)
Average monthly temperatures in Istiaía (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10.1 11.2 13.6 18 23 27.7 30 29.5 26.2 20.6 16.2 11.9
°F 50.2 52.2 56.5 64.5 73.4 81.9 85.9 85.1 79.2 69 61.1 53.4

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Istiaía monthly rainfall chart (mm) Istiaía monthly rainfall chart (inches)
Average monthly rainfall in Istiaía (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 74 67 60 36 33 22 16 20 31 70 67 92
inches 2.9 2.6 2.4 1.4 1.3 0.8 0.6 0.8 1.2 2.8 2.6 3.6
Rainy days 9 10 9 9 8 5 4 3 3 8 10 11

Average annual rainfall in Istiaía: 649.4mm (255.7 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Istiaía

Istiaía average daily sunshine chart
Average daily sunshine Istiaía
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.7 5.3 6.7 8.5 10.3 12.2 13.5 12.5 10.2 7.1 5.5 4.5

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Istiaía average minimum / maximum temperatures (Celsius) Istiaía average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Istiaía (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 2.5 3 4.4 7.3 11.3 15.4 18 17.6 14.9 11.2 7.6 4.3
Max °C 10.3 11.4 13.9 18.3 23.3 28 30.3 29.8 26.5 20.8 16.4 12.1
Min °F 36.5 37.4 39.8 45.1 52.3 59.7 64.3 63.7 58.8 52.2 45.7 39.7
Max °F 43.5 45 48.4 55 63.1 71.1 75.4 74.7 69.3 60.8 53.6 46.8

Sea temperature

The graph below shows the average sea temperature.

Istiaía average sea temperature chart (Celsius) Istiaía average sea temperature chart (Fahrenheit)
Average sea temperature around Istiaía in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 15.2 14.6 14.5 15.4 18.1 21.8 24.2 25 23.9 21.5 18.7 16.6
°F 59.4 58.3 58.1 59.6 64.7 71.2 75.5 77 75 70.8 65.7 61.8

Wind speed

The graph below shows the average wind speed.

Istiaía average winspeed by month (km/h) Istiaía average winspeed by month (mph)
Average wind speed in Istiaía (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 6 6 5 5 5 5 6 5 5 5 4 6
mph 4 4 3 3 3 3 4 3 3 3 3 4

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Istiaía relative humidity averages
Average relative humidity in Istiaía
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
75% 74% 73% 67% 62% 54% 51% 53% 61% 70% 75% 76%

Other monthly averages

UV index Best time to go?

Istiaía weather stats

Istiaía weather statistics
Hottest month: July 30°C 86°F
Driest month: July 16mm 0.6ins
Sunniest month: July 13.5hrs
Coldest month: January 10.1°C 50.2°F
Wettest month: December 92mm 3.6ins
Warmest sea: August 25°C 77°F
Map showing location of Istiaía (38.95583, 23.15278) Istiaía map pin © Google

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