Porto San Giorgio weather in May

In May, Porto San Giorgio sees average daytime highs of 20°C and overnight lows near 16°C, with 49 mm of rain across 7.6 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 43% 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 Porto San Giorgio's 5th-clearest and 9th-windiest month. For the whole year in context, see Porto San Giorgio's year-round climate.

Daytime high
20°
5th warmest
Overnight low
16°
8th coldest
Rainfall
49 mm
7.6 wet days
Daylight
14 h 30 min
4:47 AM – 7:15 PM
Cloud cover
46%
5th clearest
Wind
11 km/h
9th windiest
Solar energy
6.2 kWh/m²
Travel score
6.9
out of 10

Porto San Giorgio is human settlement in Italy.

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 Porto San Giorgio reaches about 20°C in the afternoon and slips back to 16°C overnight — a 4°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 5°C warmer than April and about 5°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11814
21814
31814
41814
51814
61915
71915
81915
91915
101915
111915
121915
132016
142016
152016
162016
172016
182016
192016
202116
212117
222117
232117
242117
252117
262217
272217
282218
292218
302218
312218

Porto San Giorgio 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° / 529.10.59.22.5
Feb11° / 518.70.510.22.6
Mar13° / 608.40.211.63.7
Apr16° / 11°548.7013.15.1
May20° / 16°497.6014.46.9
Jun25° / 20°305.5015.18.0
Jul27° / 23°233.8014.98.1
Aug27° / 23°335013.87.8
Sep24° / 19°577.6012.37.5
Oct19° / 16°568.2010.86.5
Nov15° / 12°7010.309.54.5
Dec12° / 7010.50.28.93.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35644
45743
55842
65842
75842
85941
95941
106040
116040
126139
136139
146238
156238
166238
176436
186436
196436
206535
216634
226733
236733
246832
256931
266931
276931
286931
296931
306931
316931

Chance of precipitation in May

Any precipitation

Porto San Giorgio gets around 49 mm of rain over 7.6 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 25% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
527
627
727
827
926
1026
1125
1225
1325
1425
1524
1624
1724
1824
1924
2024
2124
2223
2323
2423
2523
2623
2723
2823
2923
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 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1623350
2603460
3573670
4553780
5543790
65238100
75039110
84939120
94839130
104639150
114539160
124440170
134240180
144140190
153940200
163840210
173640231
183540241
193439251
203339272
213238282
223137302
233036313
242935324
252735344
262634355
272434366
282333377
292132389
3020323810
3118313912

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 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
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 5:06 AM to 4:34 AM, and sunset from 6:58 PM to 7:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:066:58
213.95:046:59
314.05:037:01
414.05:027:02
514.05:007:03
614.14:597:04
714.14:587:05
814.24:567:06
914.24:557:07
1014.24:547:09
1114.34:537:10
1214.34:517:11
1314.44:507:12
1414.44:497:13
1514.44:487:14
1614.54:477:15
1714.54:467:16
1814.54:457:17
1914.64:447:18
2014.64:437:19
2114.64:427:21
2214.74:417:22
2314.74:407:23
2414.74:397:24
2514.84:397:24
2614.84:387:25
2714.84:377:26
2814.84:367:27
2914.94:367:28
3014.94:357:29
3114.94:347:30

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.2 kWh/m².

For context, solar energy here swings from a low near 1.47 kWh/m² to a high of 6.87 kWh/m² in July across the year — May's 6.2 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.8Bright
35.8Bright
45.8Bright
55.9Bright
65.9Bright
75.9Bright
86.0Bright
96.0Bright
106.0Intense
116.0Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.2Intense
176.2Intense
186.2Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.4Intense
246.4Intense
256.4Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in May

Is May a good time to visit Porto San Giorgio?

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

6.9
Sightseeing
5th-best month of the year
3.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Porto San Giorgio for sightseeing.

What to pack for Porto San Giorgio in May

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

In May, Porto San Giorgio sees daytime highs around 20°C and nights near 16°C. Pack sun protection. About 8 days see rain.

sun protection

Sea temperature near Porto San Giorgio 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 26°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 1 to Oct 13 — about 4.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep23Refreshing
Oct20Cool
Nov17Cool
Dec15Bracing

UV index in Porto San Giorgio 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 Porto San Giorgio peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 16UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr6High
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Porto San Giorgio 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 Porto San Giorgio is worst in March — around 17 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (September, 11 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodGoodMar 1917 µg/m³Sep 1411 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb16Moderate
Mar17Moderate
Apr17Moderate
May14Moderate
Jun14Moderate
Jul12Good
Aug12Good
Sep11Good
Oct13Moderate
Nov11Good
Dec11Good
Location & terrain

Where is Porto San Giorgio?

Porto San Giorgio sits at 43.2°N, 13.8°E, 4 m above sea level, in Italy. The nearest listed city is Fermo, 6.0 km away.

Topography around Porto San Giorgio

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

Within 3 km, the terrain around Porto San Giorgio has only modest variations in elevation — a maximum elevation change of 222 m around an average of 36 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 465 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,847 m.

The land around Porto San Giorgio is covered by water (38%) and cropland (22%) within 3 km, water (48%) and cropland (23%) within 16 km, and water (32%), trees (30%) and cropland (20%) within 80 km.

3 km
222 m
16 km
465 m
80 km
2,847 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Fermo 6.0 km · Porto Sant'Elpidio 9.0 km · Civitanova Marche 15 km · San Benedetto del Tronto 25 km · Macerata 31 km · Ascoli Piceno 40 km · Tolentino 41 km · Osimo 43 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 Porto San Giorgio (43.1778°, 13.7941°, 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. 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).