Poros Island in Greece sees its peak temperatures in August (31°C (88°F)) and its coolest in January (14°C (57°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from Poros, the region's most visited city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in Poros Island during May, October and November is comfortably warm, with average temperatures ranging from 20°C (68°F) to 24°C (75°F).
July and August are generally the hottest months of the year.
Precipitation in Poros Island varies considerably throughout the year. The wettest conditions occur in December with 67 mm (2.6 in) of rain, while July stays relatively dry with 3 mm (0.1 in). May, June, July and August marks the driest time of year, with rainfall falling below 14 mm (0.6 in).
For those seeking sunshine, July usually has the brightest skies, making it an excellent time for exploring the region.