Sun, sea & sand

Naxos weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

53

Holiday weather in May

Fair

Best time to visit: June – September

Air temperature20°CNight 18°
Sea temperature18.6°Cfresh
Sunshine11hrs / dayof 14.1 h daylight
Rainy days2days / month8 mm

What is the weather like in Naxos in May?

In May, Naxos is mild: daytime highs average 20 °C, and nights cool down to about 18 °C. The sea averages 18.6 °C – bracing, so a wetsuit helps for longer swims. With around 11 hours of sunshine a day, there is plenty of sun. It hardly ever rains. It is often windy, with gusts of around 29 km/h. All in all, May is a so-so month for a holiday in Naxos.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score405385
Day17°20°24°
Night14°18°21°
Sea17°19°22°
Sun10 h11 h13 h
Rain days320

More details for May

Daylight
14 h 8 min06:11 – 20:18
UV index
10 · very highclear sky, noon (estimate)
Muggy days
1 daydew point 18 °C or more
Wind
29 km/haverage daily peak
Cloud cover
25 %on average
Hot days
0 days30 °C or more
Time zone
UTC+3Europe/Athens

How the score comes together

  • Temperatureweight 35 %20 %
  • Seaweight 25 %23 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 20 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in May

  • Wetsuit for longer swims
  • Sunscreen
  • Sunglasses & sun hat
  • Windproof jacket

Naxos in May: quick answers

Is Naxos hot in May?

No. In May, Naxos is mild: daytime highs average 20 °C and nights drop to about 18 °C.

Can you swim in Naxos in May?

Only if you don't mind cold water: in May the sea averages just 18.6 °C. Comfortable swimming is possible from June to October.

Does it rain much in Naxos in May?

It hardly ever rains.

Naxos month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)