The climate of Naxos is typically Mediterranean with hot, dry summers and mild winters. Summer temperatures range between 25-30 °C with very little rainfall, while in winter they stay between 15-18 °C.
The best months to visit the island are May-June and September-October, when temperatures are pleasant (20-25°C), the sea is still warm and prices are lower.
Beware of the Meltemi: northern winds can be very strong in July-August, making some beaches unsuitable for swimming but perfect for kitesurfing and windsurfing. Beaches on the west coast are more protected from the winds.
The hottest months of the year in Naxos are June, August and July, when the monthly average temperature reaches 27 °C, while the coldest months of March, December, January and February the thermometer drops up to 10 °C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °C | 14 | 14 | 15 | 19 | 22 | 26 | 27 | 26 | 25 | 21 | 18 | 15 |
| Min °C | 10 | 10 | 11 | 13 | 16 | 19 | 22 | 22 | 20 | 17 | 14 | 11 |
In Naxos rainiest months of the year are February, December and January during which monthly rainfall average reaches 80 mm. On the other side, driest months are April, May, June, July, August and September when the average rainfall is reduced to 10 mm per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 80 | 70 | 50 | 20 | 10 | 10 | 10 | 10 | 10 | 40 | 60 | 70 |
| Days | 7 | 6 | 5 | 3 | 2 | 0 | 0 | 0 | 1 | 2 | 5 | 7 |
May, August, June and July are sunniest months of the year. During that months, from sunrise to sunset there are 13 total sunshine hours in Naxos. In March, October, January, February, November and December sunshine hours are reduced to 6.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 6 | 6 | 8 | 9 | 11 | 13 | 13 | 11 | 10 | 8 | 6 | 6 |
Months of the year when sea water is warmer are September, July and August, average temperature is around 25 °C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 16 | 16 | 16 | 17 | 19 | 22 | 25 | 25 | 24 | 22 | 19 | 17 |