Ancona weather in May

In May, Ancona sees average daytime highs of 22°C and overnight lows near 15°C, with 57 mm of rain across 8.3 wet days and about 14.5 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 24°C by the end. The sky is clear or mostly clear about 42% 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 15 hours by month's end. Set against the rest of the year, May is Ancona's 5th-clearest and 7th-windiest month. For the whole year in context, see Ancona's year-round climate.

Daytime high
22°
5th warmest
Overnight low
15°
8th coldest
Rainfall
57 mm
8.3 wet days
Daylight
14 h 30 min
4:47 AM – 7:18 PM
Cloud cover
48%
5th clearest
Wind
11 km/h
7th windiest
Solar energy
6.27 kWh/m²
Travel score
7.1
out of 10
Air quality
Moderate
PM2.5 13.8 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 20°C in the first days to 24°C by the end.

A typical May day in Ancona reaches about 22°C in the afternoon and slips back to 15°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 26°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)
11913
22013
32013
42013
52013
62013
72014
82114
92114
102114
112114
122114
132114
142114
152215
162215
172215
182215
192215
202215
212315
222315
232316
242316
252316
262316
272416
282416
292416
302417
312417

Ancona weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 508.80.59.12.5
Feb11° / 538.70.610.22.8
Mar14° / 638.40.211.64.3
Apr17° / 10°629.5013.25.6
May22° / 15°578.3014.57.1
Jun27° / 19°386.2015.27.5
Jul29° / 21°284.5014.96.7
Aug29° / 21°415.8013.86.6
Sep25° / 18°607.8012.37.4
Oct20° / 14°598.1010.86.7
Nov15° / 10°7110.50.19.54.6
Dec11° / 6710.10.28.82.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25446
35545
45545
55644
65743
75644
85743
95842
105842
115941
125941
136040
146040
156040
166139
176139
186238
196238
206436
216436
226436
236535
246535
256634
266733
276733
286733
296634
306634
316634

Chance of precipitation in May

Any precipitation

Ancona gets around 57 mm of rain over 8.3 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 27% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
430
530
630
730
829
929
1028
1128
1227
1327
1427
1526
1626
1726
1826
1926
2025
2125
2225
2325
2425
2525
2625
2725
2825
2925
3025
3124

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 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1722530
2712630
3692740
4682840
5662950
6653050
7633160
8633160
9613270
10613270
11593380
12593380
13573490
14563590
155436100
165436100
175237110
185237110
195137120
204937131
214837141
224737151
234637161
244537162
254337172
264237182
274038203
283937213
293737223
303537244
313436265

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
1911calm
2011calm
2111calm
2211calm
2311calm
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 15 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over May. Sunrise moves from 5:06 AM to 4:34 AM, and sunset from 7:00 PM to 7:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:067:00
213.95:057:01
314.05:037:03
414.05:027:04
514.15:007:05
614.14:597:06
714.24:587:07
814.24:567:08
914.24:557:10
1014.34:547:11
1114.34:537:12
1214.44:517:13
1314.44:507:14
1414.44:497:15
1514.54:487:16
1614.54:477:18
1714.54:467:19
1814.64:457:20
1914.64:447:21
2014.74:437:22
2114.74:427:23
2214.74:417:24
2314.74:407:25
2414.84:397:26
2514.84:387:27
2614.84:387:28
2714.94:377:29
2814.94:367:30
2914.94:357:31
3014.94:357:32
3115.04:347:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.27 kWh/m².

For context, solar energy here swings from a low near 1.46 kWh/m² to a high of 6.95 kWh/m² in July across the year — May's 6.27 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.9Bright
45.9Bright
55.9Bright
66.0Bright
76.0Bright
86.0Intense
96.0Intense
106.1Intense
116.1Intense
126.1Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.4Intense
226.4Intense
236.4Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.6Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in May

Is May a good time to visit Ancona?

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

7.1
Sightseeing
3rd-best month of the year
4.8
Beach & pool
5th-best month of the year

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

What to pack for Ancona in May

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

In May, Ancona sees daytime highs around 22°C and nights near 15°C. Pack sun protection. Worth having: rain gear. About 8 days see rain.

sun protectionrain gear

Sea temperature near Ancona 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 March near 12°C.

It's comfortable for a long swim from Jun 1 to Oct 11 — about 4.4 months when the water holds above 20°C.

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

UV index in Ancona 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 Ancona 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr6High
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Ancona 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 Ancona is worst in March — around 18 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (September, 11 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Ancona's WHO annual average of 13.8 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodMar 1918 µg/m³Sep 1411 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb16Moderate
Mar18Moderate
Apr17Moderate
May15Moderate
Jun14Moderate
Jul12Moderate
Aug12Moderate
Sep11Good
Oct13Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Ancona?

Ancona sits at 43.6°N, 13.5°E, 16 m above sea level, in Italy. The nearest listed city is Falconara Marittima, 9.0 km away.

Topography around Ancona

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

Within 3 km, the terrain around Ancona has significant variations in elevation — a maximum elevation change of 252 m around an average of 53 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 571 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,281 m.

The land around Ancona is covered by water (31%), artificial surfaces (29%) and trees (23%) within 3 km, water (56%) and cropland (21%) within 16 km, and water (37%), trees (25%) and cropland (24%) within 80 km.

3 km
252 m
16 km
571 m
80 km
2,281 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Falconara Marittima 9.0 km · Osimo 14 km · Jesi 24 km · Senigallia 27 km · Macerata 35 km · Civitanova Marche 38 km · Porto Sant'Elpidio 44 km · Fano 47 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 Ancona (43.6072°, 13.5103°, elevation 16 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).