Naxos weather by month: heat, meltemi wind and sea temperature
A monthly weather table for Naxos in the Cyclades, what the meltemi does in summer, and how spring and autumn feel on the island.
- Summer is almost rain-free: 28–30°C and a sea of 22–24°C.
- The meltemi wind blows often in July–August.
- Winter is mild but windy, about 8 rain days in December–January.
Naxos is dry and sunny most of the year. The main thing to plan around is wind: pick a sheltered beach on meltemi days.
Naxos weather by month
Naxos is the largest island in the Cyclades and very dry, with about 350 mm of rain a year, almost all between October and March. The table uses Climates to Travel data (temperatures 2004–2020), rounded.
| Month | Low | High | Rain days | Sea |
|---|---|---|---|---|
| January | 10° | 14° | 8 | 16° |
| February | 10° | 15° | 6 | 16° |
| March | 12° | 17° | 5 | 16° |
| April | 13° | 20° | 4 | 16° |
| May | 17° | 24° | 1 | 19° |
| June | 21° | 28° | 0 | 22° |
| July | 23° | 30° | 0 | 24° |
| August | 24° | 30° | 0 | 24° |
| September | 21° | 27° | 1 | 24° |
| October | 17° | 23° | 2 | 22° |
| November | 15° | 19° | 6 | 19° |
| December | 11° | 16° | 8 | 17° |
Naxos in September and October
September is hot and settled: 21–27°C, sea about 24°C, almost no rain and less wind than August. October is still good for swimming at 17–23°C with about 2 rain days, but evenings cool and some beach tavernas close late in the month.
Naxos in May and June
May is dry and pleasant for the mountain villages (17–24°C), though the sea is still about 19°C. June brings the sea to about 22°C before the July–August crowds.
The meltemi on Naxos
As across the Cyclades, a dry, cooling northerly wind blows from mid-May and especially in July–August, sometimes for several days, strongest in the afternoon. West and south-west beaches such as Agios Prokopios and Plaka are exposed and popular with windsurfers. On windy days, check the forecast and whether your ferry is sailing.
Naxos in winter
Winter is mild at 10–16°C but windy, with about 8 rain days in December–January. Naxos Town (Chora) is open all year.
Best time to visit Naxos
- Beaches: June to late September.
- Walking and villages: May and October.
- Less wind: June and September.
More: where to stay on Naxos, ferry from Athens to Naxos, Naxos or Paros, Shabbat and kosher food on Naxos and Greece weather.
FAQ
What is the weather like in Naxos in September? 21–27°C, sea about 24°C and almost no rain.
Is Naxos windy in summer? Yes, the meltemi blows often in July–August, mostly in the afternoon.
When is the sea warmest on Naxos? In August and September, about 24°C.
Is October a good time to visit Naxos? Yes, if you want quiet: 17–23°C and a sea of about 22°C, but fewer restaurants are open late in the month.
