Whether you're visiting Alonissos in Greece during the peak of August (28°C (82°F)) or the cooler months around January (13°C (55°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Patitírion, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Alonissos, during the months of May, June, September and October you can expect comfortable weather, with average temperatures ranging from 21°C (70°F) to 25°C (77°F).
When it comes to rainfall, Alonissos sees significant variations throughout the year. December tends to be the wettest, receiving 105 mm (4.1 in) of rain, while June is much drier with just 14 mm (0.6 in). Rainfall in June, July and August is at its lowest, remaining under 18 mm (0.7 in).
