Naxos weather in May

In May, Naxos sees average daytime highs of 19°C and overnight lows near 18°C, with 8 mm of rain across 1.6 wet days and about 14 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 74% of the time in May, and the air most often feels humid.

Daylight stretches from about 13 h 30 min at the start of May to 14 h 18 min by month's end. Set against the rest of the year, May is Naxos's 5th-clearest and 12th-windiest month. For the whole year in context, see Naxos's year-round climate.

Daytime high
19°
6th warmest
Overnight low
18°
7th coldest
Rainfall
8 mm
1.6 wet days
Daylight
14 hours
5:15 AM – 7:14 PM
Cloud cover
25%
5th clearest
Wind
21 km/h
12th windiest
Solar energy
7.22 kWh/m²
Travel score
8.0
out of 10

Naxos is chief town of Naxos island, Cyclades, Greece.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 21°C by the end.

A typical May day in Naxos reaches about 19°C in the afternoon and slips back to 18°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 21°C. Set against its neighbours, May runs about 3°C warmer than April and about 4°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11816
21816
31817
41817
51817
61817
71817
81817
91817
101917
111917
121918
131918
141918
151918
161918
171918
181918
192018
202018
212019
222019
232019
242019
252019
262019
272019
282119
292119
302119
312120

Naxos weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 12°8211.39.74.0
Feb14° / 12°659.310.64.2
Mar15° / 13°436.611.75.0
Apr16° / 15°173.312.96.4
May19° / 18°81.6148.0
Jun23° / 21°10.214.59.4
Jul25° / 23°0014.39.8
Aug25° / 24°0013.49.7
Sep23° / 22°61.112.39.3
Oct21° / 19°283.7117.9
Nov18° / 16°426.4106.5
Dec15° / 14°6710.29.54.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28317
38317
48317
58317
68317
78416
88515
98515
108515
118515
128416
138416
148515
158515
168515
178515
188515
198515
208515
218515
228515
238614
248614
258614
268713
278713
288812
298812
308812
318911

Chance of precipitation in May

Any precipitation

Naxos gets around 8 mm of rain over 1.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 5% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
35
45
55
65
75
85
94
104
114
124
134
144
154
164
174
184
195
205
215
225
235
245
255
265
275
285
295
304
314

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the humid band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13653110
23453130
33254140
42955160
52756170
62556190
72455210
82255230
92153260
101953280
111851301
121750331
131548351
141447381
151345412
161143432
171041462
18939493
19837523
20735553
21733564
22631585
23529615
24527626
25425647
26423658
27422659
283206611
293196612
303176614
313166516

Wind in May

Winds average 21 km/h in May, the calmest month.

Across May, daily wind ranges from about 20 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
123breezy
222breezy
322breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1920breezy
2020breezy
2120breezy
2220breezy
2320breezy
2420breezy
2520breezy
2620breezy
2720breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 30 min at the start of May to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:31 AM to 5:06 AM, and sunset from 7:01 PM to 7:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:317:01
213.55:297:02
313.65:287:03
413.65:277:04
513.65:267:04
613.75:257:05
713.75:247:06
813.75:237:07
913.85:227:08
1013.85:217:09
1113.85:207:10
1213.95:197:11
1313.95:187:12
1413.95:177:12
1514.05:167:13
1614.05:157:14
1714.05:147:15
1814.05:147:16
1914.15:137:17
2014.15:127:18
2114.15:117:18
2214.15:117:19
2314.25:107:20
2414.25:097:21
2514.25:097:22
2614.25:087:22
2714.35:087:23
2814.35:077:24
2914.35:077:25
3014.35:067:25
3114.35:067:26

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.22 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 7.91 kWh/m² in June across the year — May's 7.22 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
47.0Intense
57.0Intense
67.0Intense
77.0Intense
87.0Intense
97.1Intense
107.1Intense
117.1Intense
127.1Intense
137.2Intense
147.2Intense
157.2Intense
167.2Intense
177.2Intense
187.3Intense
197.3Intense
207.3Intense
217.3Intense
227.4Intense
237.4Intense
247.4Intense
257.4Intense
267.5Intense
277.5Intense
287.5Intense
297.5Intense
307.6Intense
317.6Intense
Planning a trip in May

Is May a good time to visit Naxos?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.0
Sightseeing
5th-best month of the year
3.6
Beach & pool
6th-best month of the year

May is one of the better times to visit Naxos for general sightseeing.

What to pack for Naxos in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Naxos sees daytime highs around 19°C and nights near 18°C. Pack sun protection. Worth having: a windbreaker.

sun protectiona windbreaker

Sea temperature near Naxos in May

The nearest coast averages about 18°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 24°C and coldest in February near 16°C.

It's comfortable for a long swim from Jun 1 to Nov 2 — about 5.1 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr17Cool
May18Cool
Jun22Refreshing
Jul23Refreshing
Aug24Refreshing
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec17Cool

UV index in Naxos in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Naxos peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJun 23UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec2Low
Location & terrain

Where is Naxos?

Naxos sits at 37.1°N, 25.4°E, 0 m above sea level, in Greece. The nearest listed city is Paros, 20 km away.

OiaFiraArtémidaChiosÇeşmeKoropí

Topography around Naxos

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Naxos.

Within 3 km, the terrain around Naxos has significant variations in elevation — a maximum elevation change of 323 m around an average of 26 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 985 m; within 80 km, large variations in elevation — a maximum elevation change of 996 m.

The land around Naxos is covered by water (55%) and grassland (23%) within 3 km, water (55%) and grassland (26%) within 16 km, and water (92%) within 80 km.

3 km
323 m
16 km
985 m
80 km
996 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Paros 20 km · Mykonos 38 km · Oia 71 km · Fira 76 km · Artémida 155 km · Chios 156 km · Çeşme 158 km · Koropí 159 km

Greece travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$26,948
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
8.3
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 592
Religion
other 3%Muslim 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Naxos (37.1056°, 25.3764°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).