Follonica weather in May

In May, Follonica sees average daytime highs of 20°C and overnight lows near 14°C, with 54 mm of rain across 8.5 wet days and about 14.4 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 22°C by the end. The sky is clear or mostly clear about 44% of the time in May, and the air most often feels dry.

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 Follonica's 5th-clearest and 9th-windiest month. For the whole year in context, see Follonica's year-round climate.

Daytime high
20°
5th warmest
Overnight low
14°
7th coldest
Rainfall
54 mm
8.5 wet days
Daylight
14 h 30 min
5:00 AM – 7:27 PM
Cloud cover
48%
5th clearest
Wind
11 km/h
9th windiest
Solar energy
6.36 kWh/m²
Travel score
6.8
out of 10

Follonica is chief town of the homonym municipality.

Founded
1834

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 22°C by the end.

A typical May day in Follonica reaches about 20°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 23°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11812
21812
31913
41913
51913
61913
71913
81913
91913
101913
112013
122014
132014
142014
152014
162014
172014
182114
192114
202114
212114
222115
232115
242115
252115
262215
272215
282215
292215
302216
312216

Follonica 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
Jan10° / 588.80.49.22.6
Feb11° / 608.40.910.22.9
Mar14° / 578.30.411.64.2
Apr16° / 10°6610.4013.15.2
May20° / 14°548.5014.46.8
Jun24° / 18°365.8015.18.0
Jul27° / 20°203.8014.88.1
Aug28° / 21°274.4013.87.7
Sep24° / 18°838.8012.37.3
Oct20° / 14°10610.4010.86.3
Nov15° / 10°12212.809.54.2
Dec11° / 8410.50.38.92.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25446
35446
45545
55644
65644
75644
85743
95842
105842
115941
125941
136040
146040
156139
166139
176337
186337
196436
206436
216535
226634
236634
246733
256733
266733
276733
286832
296931
306832
316832

Chance of precipitation in May

Any precipitation

Follonica gets around 54 mm of rain over 8.5 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 28% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
436
536
635
734
833
932
1031
1130
1229
1328
1428
1527
1626
1725
1825
1924
2024
2123
2223
2322
2422
2522
2621
2721
2821
2922
3022
3122

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 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1821800
2802000
3782200
4762400
5732610
6712810
7693010
8683110
9663310
10643420
11623620
12603730
13593830
14583930
15564040
16544150
17544150
18524260
19514270
20494280
214842100
224742110
234543120
244343140
254143150
263944170
273744190
283444210
293244231
302944261
312744281

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 5:18 AM to 4:47 AM, and sunset from 7:10 PM to 7:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:187:10
213.95:177:11
313.95:167:12
414.05:147:13
514.05:137:14
614.15:127:16
714.15:107:17
814.15:097:18
914.25:087:19
1014.25:067:20
1114.35:057:21
1214.35:047:22
1314.35:037:23
1414.45:027:25
1514.45:017:26
1614.55:007:27
1714.54:597:28
1814.54:587:29
1914.64:577:30
2014.64:567:31
2114.64:557:32
2214.74:547:33
2314.74:537:34
2414.74:527:35
2514.74:517:36
2614.84:517:37
2714.84:507:38
2814.84:497:39
2914.84:497:40
3014.94:487:40
3114.94:477:41

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.36 kWh/m².

For context, solar energy here swings from a low near 1.55 kWh/m² to a high of 7.12 kWh/m² in July across the year — May's 6.36 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.9Bright
45.9Bright
56.0Bright
66.0Bright
76.0Intense
86.1Intense
96.1Intense
106.1Intense
116.2Intense
126.2Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.4Intense
186.4Intense
196.4Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.6Intense
256.6Intense
266.6Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
316.7Intense
Planning a trip in May

Hazard calendar for Follonica

In seasonPeak

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

Follonica's rainy season runs September–April, 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 Follonica?

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
3.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Follonica for sightseeing.

What to pack for Follonica in May

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

In May, Follonica sees daytime highs around 20°C and nights near 14°C. Pack sun protection. Worth having: rain gear. About 9 days see rain.

sun protectionrain gear

Sea temperature near Follonica 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 at the nearest coast (about 13 km away) 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 Follonica 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 Follonica 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
Aug7Very high
Sep5High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Follonica?

Follonica sits at 42.9°N, 10.8°E, 4 m above sea level, in Italy. The nearest listed city is Piombino, 19 km away.

PoggibonsiLivorno

Topography around Follonica

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

Within 3 km, the terrain around Follonica has only modest variations in elevation — a maximum elevation change of 151 m around an average of 21 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 625 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,738 m.

The land around Follonica is covered by water (27%) and grassland (22%) within 3 km, trees (40%) and water (30%) within 16 km, and water (49%) and trees (30%) within 80 km.

3 km
151 m
16 km
625 m
80 km
1,738 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Piombino 19 km · Grosseto 34 km · Cecina 47 km · Rosignano Solvay-Castiglioncello 58 km · Colle di Val d'Elsa 62 km · Siena 63 km · Poggibonsi 68 km · Livorno 77 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 Follonica (42.9278°, 10.7645°, elevation 4 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).