Pozzuoli weather in May

In May, Pozzuoli sees average daytime highs of 19°C and overnight lows near 17°C, with 36 mm of rain across 5.4 wet days and about 14.2 hours of daylight. It is the 6th-warmest and 9th-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 56% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 13 h 42 min at the start of May to 14 h 42 min by month's end. Set against the rest of the year, May is Pozzuoli's 5th-clearest and 9th-windiest month. For the whole year in context, see Pozzuoli's year-round climate.

Daytime high
19°
6th warmest
Overnight low
17°
7th coldest
Rainfall
36 mm
5.4 wet days
Daylight
14 h 18 min
4:52 AM – 7:08 PM
Cloud cover
39%
5th clearest
Wind
12 km/h
9th windiest
Solar energy
6.5 kWh/m²
Travel score
7.1
out of 10

Pozzuoli is chief town of the homonym municipality.

Air quality
Good
PM2.5 9.6 µg/m³ · 2019

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 Pozzuoli reaches about 19°C in the afternoon and slips back to 17°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 21°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11715
21815
31815
41816
51816
61816
71816
81816
91816
101916
111916
121917
131917
141917
151917
161917
171917
181917
192017
202017
212018
222018
232018
242018
252018
262018
272018
282118
292118
302119
312119

Pozzuoli weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 10°105119.43.5
Feb13° / 10°8910.410.43.4
Mar14° / 11°819.411.74.2
Apr16° / 13°63813.15.3
May19° / 17°365.414.27.1
Jun23° / 21°18314.98.6
Jul25° / 24°101.814.69.0
Aug26° / 24°172.413.68.6
Sep24° / 21°777.812.37.7
Oct21° / 18°1109.810.96.7
Nov17° / 15°16513.69.75.2
Dec14° / 12°13313.19.14.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% 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 27%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26436
36535
46634
56832
66931
76931
87030
97030
107129
117129
127228
137327
147327
157327
167426
177426
187327
197426
207525
217525
227525
237525
247624
257723
267723
277822
287822
297822
307822
317921

Chance of precipitation in May

Any precipitation

Pozzuoli gets around 36 mm of rain over 5.4 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 25% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
324
423
523
622
721
821
920
1019
1119
1218
1318
1417
1517
1617
1716
1816
1916
2016
2116
2215
2315
2415
2515
2615
2715
2815
2915
3014
3114

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable 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 (%)Oppressive (%)
14449700
24151800
339511000
437521100
535521300
633531400
732521600
830521800
929512000
1028502200
1127492400
1226482600
1325472800
1424463010
1523453210
1622433310
1721423520
1820403720
1920393930
2019374040
2118364150
2218344260
2317334370
2416324480
2515314490
26143045110
27132945120
28122846140
29122746160
30112646170
31102546191

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 42 min at the start of May to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 5:09 AM to 4:41 AM, and sunset from 6:53 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:096:53
213.85:086:54
313.85:076:55
413.85:056:56
513.95:046:57
613.95:036:58
714.05:026:59
814.05:007:00
914.04:597:01
1014.14:587:02
1114.14:577:03
1214.14:567:04
1314.24:557:05
1414.24:547:06
1514.24:537:07
1614.34:527:08
1714.34:517:09
1814.34:507:10
1914.44:497:11
2014.44:487:12
2114.44:477:13
2214.54:467:14
2314.54:467:15
2414.54:457:16
2514.54:447:16
2614.64:437:17
2714.64:437:18
2814.64:427:19
2914.64:427:20
3014.74:417:21
3114.74:417:22

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.5 kWh/m².

For context, solar energy here swings from a low near 1.75 kWh/m² to a high of 7.13 kWh/m² in June across the year — May's 6.5 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.1Intense
46.1Intense
56.1Intense
66.2Intense
76.2Intense
86.2Intense
96.3Intense
106.3Intense
116.3Intense
126.4Intense
136.4Intense
146.4Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in May

Hazard calendar for Pozzuoli

In seasonPeak

None of Pozzuoli's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Pozzuoli's rainy season runs September–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Pozzuoli?

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

7.1
Sightseeing
5th-best month of the year
3.2
Beach & pool
6th-best month of the year

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

What to pack for Pozzuoli in May

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

In May, Pozzuoli sees daytime highs around 19°C and nights near 17°C. Pack sun protection. About 5 days see rain.

sun protection

Sea temperature near Pozzuoli 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 19 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 27 to Nov 5 — about 5.4 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Pozzuoli 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 Pozzuoli peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 16UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr4Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Pozzuoli?

Pozzuoli sits at 40.8°N, 14.1°E, 28 m above sea level, in Italy. The nearest listed city is Monterusciello, 3.0 km away.

Topography around Pozzuoli

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

Within 3 km, the terrain around Pozzuoli has significant variations in elevation — a maximum elevation change of 330 m around an average of 74 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 464 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,032 m.

The land around Pozzuoli is covered by trees (41%) and artificial surfaces (24%) within 3 km, water (56%) within 16 km, and water (50%) and trees (32%) within 80 km.

3 km
330 m
16 km
464 m
80 km
2,032 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Monterusciello 3.0 km · Bacoli 6.0 km · Quarto 6.0 km · Pianura 7.0 km · Bagnoli 7.0 km · Soccavo 8.0 km · Fuorigrotta 9.0 km · Posillipo 9.0 km

Italy travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
230 V · 50 Hz
Prices
≈ 69% of US
price level, 2025
GDP per capita
$43,309
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 513
Religion
Christian 81%unaffiliated 13%Muslim 5%other 1%

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 Pozzuoli (40.8439°, 14.0952°, elevation 28 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).