Volos weather in May

In May, Volos sees average daytime highs of 21°C and overnight lows near 16°C, with 44 mm of rain across 5.6 wet days and about 14.1 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 23°C by the end. The sky is clear or mostly clear about 54% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 30 min by month's end. Set against the rest of the year, May is Volos's 5th-clearest and 9th-windiest month. For the whole year in context, see Volos's year-round climate.

Daytime high
21°
5th warmest
Overnight low
16°
8th coldest
Rainfall
44 mm
5.6 wet days
Daylight
14 h 12 min
5:20 AM – 7:29 PM
Cloud cover
41%
5th clearest
Wind
9 km/h
9th windiest
Solar energy
6.54 kWh/m²
Travel score
7.5
out of 10

Volos is coastal port city in Thessaly, Greece.

Air quality
Elevated
PM2.5 15.8 µg/m³ · 2019
Density
3,109/km²
people per km²

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 19°C in the first days to 23°C by the end.

A typical May day in Volos reaches about 21°C in the afternoon and slips back to 16°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 24°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11914
21914
31914
41915
51915
61915
72015
82015
92015
102016
112016
122016
132116
142116
152116
162117
172117
182117
192117
202217
212217
222217
232217
242218
252218
262218
272218
282318
292318
302318
312319

Volos weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 10110.91.79.52.5
Feb11° / 8510.61.710.52.9
Mar13° / 859.60.511.74.0
Apr16° / 12°456.80135.7
May21° / 16°445.6014.17.5
Jun25° / 21°193.4014.78.4
Jul28° / 23°263.1014.58.3
Aug28° / 24°243.5013.58.2
Sep24° / 20°636.4012.38.0
Oct20° / 16°8890116.7
Nov16° / 12°838.909.85.0
Dec12° / 11211.61.19.33.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36634
46634
56634
66634
76634
86733
96733
106733
116733
126832
136832
146832
156931
166931
176931
187030
197030
207030
217129
227129
237129
247327
257327
267426
277525
287525
297723
307723
317921

Chance of precipitation in May

Any precipitation

Volos gets around 44 mm of rain over 5.6 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 18% and peaks near 20% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
117
217
317
417
517
617
717
816
916
1016
1116
1216
1317
1417
1517
1617
1717
1818
1918
2018
2119
2219
2319
2420
2520
2620
2720
2819
2919
3018
3118

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 41% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1752320
2732520
3712720
4682930
5663040
6643240
7613450
8593560
9573670
10533890
115139100
124840110
134642130
144343140
154044160
163845170
173546190
183346210
193147220
202947240
212747260
222647270
232447291
242246301
252146321
262046331
271945351
281744372
291643382
301542403
311540424

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over May. Sunrise moves from 5:36 AM to 5:09 AM, and sunset from 7:14 PM to 7:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:367:14
213.75:357:15
313.75:347:16
413.75:337:17
513.85:317:18
613.85:307:19
713.95:297:20
813.95:287:21
913.95:277:22
1014.05:267:23
1114.05:257:24
1214.05:247:25
1314.15:237:26
1414.15:227:27
1514.15:217:28
1614.25:207:29
1714.25:197:30
1814.25:187:31
1914.25:177:32
2014.35:167:33
2114.35:167:34
2214.35:157:34
2314.45:147:35
2414.45:137:36
2514.45:137:37
2614.45:127:38
2714.55:127:39
2814.55:117:40
2914.55:107:40
3014.55:107:41
3114.55:097:42

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.54 kWh/m².

For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 7.31 kWh/m² in June across the year — May's 6.54 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.7Intense
236.7Intense
246.7Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.9Intense
306.9Intense
317.0Intense
Planning a trip in May

Is May a good time to visit Volos?

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

7.5
Sightseeing
5th-best month of the year
4.5
Beach & pool
5th-best month of the year

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

What to pack for Volos in May

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

In May, Volos sees daytime highs around 21°C and nights near 16°C. Pack sun protection. About 6 days see rain.

sun protection

Sea temperature near Volos in May

The nearest coast averages about 19°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 31 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from May 28 to Nov 1 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May19Cool
Jun23Refreshing
Jul25Warm
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Volos 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 Volos peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 22UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Volos in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Volos is worst in August — around 44 µg/m³ PM2.5 (poor), about 4.9× the cleanest month (December, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Volos's WHO annual average of 15.8 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodAug 1640 µg/m³Dec 149 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb14Moderate
Mar18Moderate
Apr18Moderate
May15Moderate
Jun13Moderate
Jul14Moderate
Aug44Poor
Sep12Good
Oct11Good
Nov11Good
Dec9Good
Location & terrain

Where is Volos?

Volos sits at 39.4°N, 22.9°E, 52 m above sea level, in Greece. The nearest listed city is Néa Ionía, 2.0 km away.

LárisaLamíaKardítsaTríkalaLivadeiáDelphiKateríni

Topography around Volos

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

Within 3 km, the terrain around Volos has significant variations in elevation — a maximum elevation change of 388 m around an average of 55 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,603 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,945 m.

The land around Volos is covered by artificial surfaces (46%) and trees (21%) within 3 km, trees (46%) and water (26%) within 16 km, and water (46%) and trees (28%) within 80 km.

3 km
388 m
16 km
1,603 m
80 km
1,945 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Néa Ionía 2.0 km · Lárisa 54 km · Lamía 69 km · Kardítsa 88 km · Tríkala 103 km · Livadeiá 104 km · Delphi 106 km · Kateríni 107 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 Volos (39.3692°, 22.9477°, elevation 52 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).