Whether you're visiting Ios in Greece during the peak of August (27°C (81°F)) or the cooler months around January (15°C (59°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Ios Chora, 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 Ios, the months of May, June, July, August, September, October and November bring pleasant weather, with average temperatures ranging between 19°C (66°F) and 27°C (81°F).
Precipitation in Ios varies considerably throughout the year. The wettest conditions occur in January with 78 mm (3.1 in) of rain, while July stays relatively dry with 0 mm (0 in). May, June, July, August and September marks the driest time of year, with rainfall falling below 10 mm (0.4 in).
