Whether you're visiting Sifnos 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 Platís Yialós Sifnos, 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.
The weather in Sifnos during May, June, July, September, October and November is comfortably warm, with average temperatures ranging from 20°C (68°F) to 27°C (81°F).
Precipitation in Sifnos varies considerably throughout the year. The wettest conditions occur in January with 82 mm (3.2 in) of rain, while July stays relatively dry with 0 mm (0 in). The driest period occurs in April, May, June, July, August and September, with rainfall remaining under 20 mm (0.8 in).
