Piombino weather in May

In May, Piombino sees average daytime highs of 19°C and overnight lows near 16°C, with 39 mm of rain across 6.1 wet days and about 14.4 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 20°C by the end. The sky is clear or mostly clear about 50% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 13 h 54 min at the start of May to 14 h 54 min by month's end. Set against the rest of the year, May is Piombino's 5th-clearest and 9th-windiest month. For the whole year in context, see Piombino's year-round climate.

Daytime high
19°
6th warmest
Overnight low
16°
7th coldest
Rainfall
39 mm
6.1 wet days
Daylight
14 h 30 min
5:01 AM – 7:28 PM
Cloud cover
44%
5th clearest
Wind
14 km/h
9th windiest
Solar energy
6.4 kWh/m²
Travel score
6.8
out of 10
Air quality
Good
PM10 17.1 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 17°C in the first days to 20°C by the end.

A typical May day in Piombino reaches about 19°C in the afternoon and slips back to 16°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 16°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
21715
31715
41715
51715
61715
71715
81815
91815
101816
111816
121816
131816
141816
151816
161916
171916
181917
191917
201917
211917
221917
231917
241917
252017
262018
272018
282018
292018
302018
312018

Piombino 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
Jan12° / 679.49.23.1
Feb12° / 628.510.23.1
Mar13° / 11°537.611.64.0
Apr15° / 13°558.413.14.9
May19° / 16°396.114.46.8
Jun22° / 20°26415.18.2
Jul25° / 23°14214.89.1
Aug25° / 23°19313.88.6
Sep23° / 20°737.412.37.6
Oct19° / 17°10310.110.86.4
Nov16° / 14°130139.54.6
Dec13° / 11°9411.38.93.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25941
35941
46139
56238
66337
76337
86436
96436
106535
116535
126634
136634
146634
156733
166733
176832
186832
196931
206931
217030
227030
237129
247129
257129
267129
277129
287129
297129
307129
317129

Chance of precipitation in May

Any precipitation

Piombino gets around 39 mm of rain over 6.1 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 20% and peaks near 28% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
128
227
326
426
525
624
724
823
922
1021
1121
1220
1320
1419
1519
1618
1718
1818
1917
2017
2117
2217
2317
2416
2516
2616
2716
2816
2916
3016
3116

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 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1643510
2603820
3584020
4554230
5524440
6514540
7484750
8464860
9434980
10425090
114050100
123851110
133751120
143551140
153450151
163350161
173249181
183149191
193048212
202946222
212845242
222744263
232643273
242542294
252441314
262340335
272139346
282038366
291837387
301736398
311635409

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 54 min at the start of May to 14 h 54 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 5:19 AM to 4:48 AM, and sunset from 7:11 PM to 7:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:197:11
213.95:187:12
313.95:177:13
414.05:157:14
514.05:147:15
614.15:137:17
714.15:117:18
814.15:107:19
914.25:097:20
1014.25:077:21
1114.35:067:22
1214.35:057:23
1314.35:047:24
1414.45:037:25
1514.45:027:27
1614.55:017:28
1714.55:007:29
1814.54:597:30
1914.64:587:31
2014.64:577:32
2114.64:567:33
2214.64:557:34
2314.74:547:35
2414.74:537:36
2514.74:527:37
2614.84:527:38
2714.84:517:39
2814.84:507:40
2914.84:507:40
3014.94:497:41
3114.94:487:42

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.4 kWh/m².

For context, solar energy here swings from a low near 1.56 kWh/m² to a high of 7.12 kWh/m² in July across the year — May's 6.4 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
46.0Bright
56.0Intense
66.0Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.2Intense
126.3Intense
136.3Intense
146.3Intense
156.4Intense
166.4Intense
176.4Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
316.7Intense
Planning a trip in May

Hazard calendar for Piombino

In seasonPeak

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

Piombino's rainy season runs September–February, 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 Piombino?

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

6.8
Sightseeing
5th-best month of the year
2.6
Beach & pool
6th-best month of the year

May is a reasonable time to visit Piombino for sightseeing.

What to pack for Piombino in May

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

In May, Piombino sees daytime highs around 19°C and nights near 16°C. Pack sun protection. About 6 days see rain.

sun protection

Sea temperature near Piombino 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 25°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 3 to Oct 26 — about 4.8 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct21Refreshing
Nov18Cool
Dec16Cool

UV index in Piombino in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Piombino peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 13UV 9Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr5High
May6High
Jun8Very high
Jul9Very high
Aug7High
Sep5High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Piombino?

Piombino sits at 42.9°N, 10.5°E, 21 m above sea level, in Italy. The nearest listed city is Follonica, 19 km away.

LivornoColle di Val d'ElsaSienaPoggibonsi

Topography around Piombino

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

Within 3 km, the terrain around Piombino has only modest variations in elevation — a maximum elevation change of 207 m around an average of 20 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 418 m; within 80 km, large variations in elevation — a maximum elevation change of 1,166 m.

The land around Piombino is covered by water (62%) within 3 km, water (74%) within 16 km, and water (61%) and trees (22%) within 80 km.

3 km
207 m
16 km
418 m
80 km
1,166 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Follonica 19 km · Cecina 42 km · Grosseto 51 km · Rosignano Solvay-Castiglioncello 52 km · Livorno 71 km · Colle di Val d'Elsa 74 km · Siena 79 km · Poggibonsi 79 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 Piombino (42.9255°, 10.5259°, elevation 21 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).