
Greece · Europe
The best time to visit Naxos is June, July, August, and September. In summer, temperatures rise to 29°C; in winter they can drop to 10°C. During the best travel months, the sun shines up to 12 hours per day — ideal for beach and outdoor activities.
Naxos is the largest of the Cyclades and the only one with meaningful agriculture — Mount Zas, at just over 1,000 metres, captures enough moisture to keep valleys green while neighbouring islands stay bare. Climatically it remains extremely dry nonetheless: May to October together bring 18 mm, and July and August effectively nothing.
The defining feature is the meltemi, the strong northerly of the Aegean. It blows most reliably in July and August and makes the 29°C bearable, which would otherwise feel considerably hotter. For windsurfers and kiters, the bay of Mikri Vigla is one of Greece's best spots as a result — though the same wind can be a problem for ferry connections and west-coast beach days.
The swimming season is long: the sea reaches 25°C in August and is still 22°C in October. May and June are the finest months for everything except swimming — 23–27°C, the island still green from the winter rains, and the paths between the mountain villages of Apiranthos and Chalki walkable before the summer heat arrives. Winter is mild at 14–16°C, but many businesses close.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MAXMAX | 15° | 15° | 17° | 20° | 24° | 28° | 30° | 30° | 27° | 23° | 20° | 17° |
MINMIN | 10° | 10° | 11° | 13° | 17° | 21° | 24° | 24° | 21° | 18° | 15° | 12° |
☀️Sunshine | 5h UV 4 | 6h UV 6 | 8h UV 7 | 9h UV 8 | 10h UV 9 | 12h UV 9 | 12h UV 9 | 11h UV 9 | 10h UV 8 | 8h UV 6 | 6h UV 5 | 5h UV 4 |
🌊Water Temp | 16° | 16° | 16° | 17° | 20° | 23° | 25° | 25° | 25° | 23° | 20° | 18° |
🌧Rain Days | 4d44mm | 3d31mm | 2d17mm | 1d8mm | 1d4mm | 0d4mm | 0d1mm | 0d1mm | 0d2mm | 1d7mm | 2d25mm | 4d32mm |
From April to August, UV levels in Naxos reach 9 — very high on the WHO scale. High-SPF sunscreen and shade around midday are essential.
May offers great weather in Naxos with fewer tourists and lower prices — ideal for those who want to avoid the peak season crowds.
Beach Holiday
Warm, sunny, little rain
City Trip
Pleasantly mild, not too hot