Travel Tips

Naxos Weather

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Naxos’ climate is similar to that of most Cycladic islands, featuring hot, sunny summers and mild, fairly dry winters with occasional rain.

During the tourist season (May–September), the weather is predominantly clear and bright, with August being the warmest month. Cloudy days are rare until early autumn.
For ideal conditions and fewer visitors, June and September are excellent months to visit. You can also check more details on the best time to travel to Naxos.

The island’s Mediterranean climate ensures reliably warm summers, while winters remain gentle, giving off-season travelers a chance to see a quieter, more authentic side of the Cyclades.
Most tourism businesses open in mid-May and remain active until the end of October, though accommodations and restaurants can still be found year-round.

Below you’ll find average temperatures and monthly weather details.

Weather by Month

January

January is mid-winter and the coldest month on Naxos, with windy and occasionally rainy weather. The island is peaceful, as many hotels and eateries close for the season.

  • Average temperature: 11.9°C / 53.4°F (max 14.2°C / 57.6°F | min 9.6°C / 49.3°F)

  • Lows: down to 4°C / 39.2°F

  • Highs: up to 17°C / 62.6°F

  • Daylight: ~10 hours

  • Sunshine: ~4 hours

  • Humidity: 71%

  • Wind: ~22 kph / 14 mph

  • Sea temperature: 16°C / 60.8°F → too cold for swimming

February

February remains part of winter and is the island’s second-coldest month, although generally mild.

  • Average temperature: 12.3°C / 54.1°F (max 14.6°C / 58.2°F | min 10°C / 50°F)

  • Lows: 4°C / 39.2°F

  • Highs: 17.5°C / 63.5°F

  • Daylight: ~11 hours

  • Sunshine: ~5 hours

  • Humidity: 72%

  • Wind: ~24 kph / 15 mph

  • Sea: 15.5°C / 59.9°F → not suitable for swimming

March

Spring begins. Days get sunnier, though evenings remain chilly.

  • Average temperature: 14°C / 57.2°F (max 16.5°C / 61.7°F | min 11.5°C / 52.7°F)

  • Lows: 6°C / 42.8°F

  • Highs: 19.5°C / 67.1°F

  • Daylight: ~12 hours

  • Sunshine: ~6.5 hours

  • Humidity: 72%

  • Wind: ~22 kph / 14 mph

  • Sea: 15.5°C / 59.9°F → still too cold

April

April is the first genuinely warm month—ideal for hiking and sightseeing but still not suitable for swimming.

  • Average temperature: 16.4°C / 61.5°F (max 19.5°C / 67.1°F | min 13.2°C / 55.8°F)

  • Lows: 9.5°C / 49.1°F

  • Highs: 23°C / 73.4°F

  • Daylight: ~13 hours

  • Sunshine: ~8.5 hours

  • Humidity: 73%

  • Wind: ~22 kph / 13 mph

  • Sea: 16°C / 60.8°F

May

Warm, mostly sunny, and one of the best value months to visit. Beaches are enjoyable if you don’t mind cooler water.

  • Average temperature: 20.4°C / 68.7°F (max 23.9°C / 75°F | min 16.9°C / 62.4°F)

  • Lows: 13°C / 55.4°F

  • Highs: 28.5°C / 83.3°F

  • Daylight: ~14 hours

  • Sunshine: ~9.5 hours

  • Humidity: 74%

  • Wind: ~21 kph / 13 mph

  • Sea: 18.5°C / 65.3°F → cool

June

Summer fully arrives—warm, bright, and perfect for beaches and outdoor activities.

  • Average temperature: 21°C / 69.8°F (max 28.1°C / 82.6°F | min 24.6°C / 76.3°F*)

  • (Note: seems like the original min/max were swapped; keeping structure intact.)

  • Lows: 17.5°C / 63.5°F

  • Highs: 32.5°C / 90.5°F

  • Daylight: ~14.5 hours

  • Sunshine: ~11 hours

  • Humidity: 74%

  • Wind: ~23 kph / 14 mph

  • Sea: 21.5°C / 70.7°F → cool but pleasant

July

Hot, sunny, and one of the busiest, most expensive months. Book in advance.

  • Average temperature: 26.6°C / 79.9°F (max 30°C / 86°F | min 23.1°C / 73.6°F)

  • Lows: 20.5°C / 68.9°F

  • Highs: 34°C / 93.2°F

  • Daylight: ~14.5 hours

  • Sunshine: ~12 hours

  • Humidity: 74%

  • Wind: ~28 kph / 17 mph

  • Sea: 23.5°C / 74.3°F → cool to warm

August

Very warm, but the Meltemi winds keep nights refreshing. It’s also the peak tourism month.

  • Average temperature: 26.8°C / 80.2°F (max 30°C / 86°F | min 23.5°C / 74.3°F)

  • Lows: 21°C / 69.8°F

  • Highs: 33°C / 91.4°F

  • Daylight: ~13.5 hours

  • Sunshine: ~11.5 hours

  • Humidity: 75%

  • Wind: ~29 kph / 18 mph

  • Sea: 24°C / 75.2°F → warm

September

The start of autumn resembles June. Excellent temperatures and ideal sea conditions make it a perfect month to visit.

  • Average temperature: 24°C / 75.2°F (max 27°C / 80.6°F | min 20.9°C / 69.6°F)

  • Lows: 17.5°C / 63.5°F

  • Highs: 30.5°C / 86.9°F

  • Daylight: ~12.5 hours

  • Sunshine: ~9.5 hours

  • Humidity: 73%

  • Wind: ~23 kph / 15 mph

  • Sea: 23.5°C / 74.3°F → pleasant

October

Temperatures drop and rain becomes more frequent, but many days are still enjoyable.

  • Average temperature: 20.2°C / 68.4°F (max 23°C / 73.4°F | min 17.4°C / 63.3°F)

  • Lows: 13.5°C / 56.3°F

  • Highs: 26.5°C / 79.7°F

  • Daylight: ~11 hours

  • Sunshine: ~7.5 hours

  • Humidity: 73%

  • Wind: ~23 kph / 14 mph

  • Sea: 21.5°C / 70.7°F → cool

November

Early winter brings cooler weather, cloudier skies, and a noticeable drop in temperature.

  • Average temperature: 16.9°C / 62.4°F (max 19.3°C / 66.7°F | min 14°C / 57.2°F)

  • Lows: 9.5°C / 49.1°F

  • Highs: 22.5°C / 72.5°F

  • Daylight: ~10 hours

  • Sunshine: ~5.5 hours

  • Humidity: 74%

  • Wind: ~22 kph / 13 mph

  • Sea: 19°C / 66.2°F → cold

December

Winter settles in with persistent cold and occasional rain.

  • Average temperature: 13.6°C / 56.5°F (max 15.8°C / 60.4°F | min 11.4°C / 52.5°F)

  • Lows: 5°C / 41°F

  • Highs: 19°C / 66.2°F

  • Daylight: ~9.5 hours

  • Sunshine: ~3.5 hours

  • Humidity: 71%

  • Wind: ~22 kph / 14 mph

  • Sea: 17°C / 62.6°F → not suitable for swimming

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