Ciampino weather in May

In May, Ciampino sees average daytime highs of 21°C and overnight lows near 14°C, with 52 mm of rain across 7.1 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 23°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 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is Ciampino's 5th-clearest and 8th-windiest month. For the whole year in context, see Ciampino's year-round climate.

Daytime high
21°
5th warmest
Overnight low
14°
7th coldest
Rainfall
52 mm
7.1 wet days
Daylight
14 h 24 min
4:55 AM – 7:16 PM
Cloud cover
44%
5th clearest
Wind
10 km/h
8th windiest
Solar energy
6.45 kWh/m²
Travel score
7.3
out of 10

Ciampino is chief town of the homonym municipality.

Air quality
Good
PM10 26.1 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 20°C in the first days to 23°C by the end.

A typical May day in Ciampino reaches about 21°C in the afternoon and slips back to 14°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 25°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)
11913
22013
32013
42013
52013
62013
72013
82013
92114
102114
112114
122114
132114
142114
152114
162214
172214
182215
192215
202215
212215
222215
232215
242315
252315
262315
272316
282316
292316
302316
312316

Ciampino 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 daysDaylight (hours)Travel score
Jan12° / 769.79.33.3
Feb13° / 769.610.33.5
Mar15° / 75911.74.7
Apr17° / 11°729.713.15.8
May21° / 14°527.114.37.3
Jun26° / 18°284.3158.1
Jul28° / 21°192.814.77.6
Aug29° / 21°213.413.77.1
Sep25° / 18°878.812.37.3
Oct21° / 15°12510.710.96.6
Nov17° / 11°14812.99.65.0
Dec13° / 10811.493.7

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 18% 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 (%)
15941
26040
36139
46139
56139
66238
76337
86436
96436
106535
116535
126634
136733
146733
156832
166832
176931
186931
196931
207030
217129
227129
237129
247228
257228
267228
277228
287228
297228
307129
317228

Chance of precipitation in May

Any precipitation

Ciampino gets around 52 mm of rain over 7.1 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 23% and peaks near 32% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
132
231
331
430
529
629
728
827
927
1026
1125
1225
1324
1423
1523
1622
1721
1821
1921
2020
2120
2219
2319
2419
2519
2619
2719
2819
2919
3019
3119

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 (%)
1702910
2683110
3653320
4633520
5603730
6583930
7554140
8534250
9514450
10494560
11474660
12464770
13444880
14424990
15405190
163951100
173752110
183652120
193552130
203450151
213350161
223349171
233248191
243048211
252947231
262846252
272645272
282445292
292344313
302143333
312042354

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 48 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 5:13 AM to 4:44 AM, and sunset from 7:00 PM to 7:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:137:00
213.85:127:01
313.95:117:02
413.95:097:04
513.95:087:05
614.05:077:06
714.05:057:07
814.15:047:08
914.15:037:09
1014.15:027:10
1114.25:017:11
1214.25:007:12
1314.24:587:13
1414.34:577:14
1514.34:567:15
1614.44:557:16
1714.44:547:17
1814.44:537:18
1914.54:527:19
2014.54:517:20
2114.54:517:21
2214.54:507:22
2314.64:497:23
2414.64:487:24
2514.64:477:25
2614.74:477:26
2714.74:467:27
2814.74:457:28
2914.74:457:29
3014.84:447:30
3114.84:447:30

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.45 kWh/m².

For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 7.13 kWh/m² in July across the year — May's 6.45 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
36.0Bright
46.0Intense
56.0Intense
66.1Intense
76.1Intense
86.2Intense
96.2Intense
106.2Intense
116.3Intense
126.3Intense
136.3Intense
146.4Intense
156.4Intense
166.4Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.6Intense
226.6Intense
236.6Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in May

Hazard calendar for Ciampino

In seasonPeak

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

Ciampino'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 Ciampino?

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

7.3
Sightseeing
3rd-best month of the year
4.7
Beach & pool
5th-best month of the year

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

What to pack for Ciampino in May

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

In May, Ciampino sees daytime highs around 21°C and nights near 14°C. Pack sun protection. About 7 days see rain.

sun protection

Sea temperature near Ciampino 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 27 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 31 to Nov 1 — about 5.1 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Ciampino 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 Ciampino peaks around July 15 at about 10 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 15UV 10Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5High
Apr4Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Ciampino 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 Ciampino is worst in April — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodModerateModerateApr 1117 µg/m³Sep 1812 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar17Moderate
Apr17Moderate
May15Moderate
Jun14Moderate
Jul12Good
Aug13Moderate
Sep11Good
Oct12Moderate
Nov12Good
Dec13Moderate
Location & terrain

Where is Ciampino?

Ciampino sits at 41.8°N, 12.6°E, 124 m above sea level, in Italy. The nearest listed city is Marino, 6.0 km away.

Topography around Ciampino

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

Within 3 km, the terrain around Ciampino has only modest variations in elevation — a maximum elevation change of 147 m around an average of 121 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 953 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,441 m.

The land around Ciampino is covered by artificial surfaces (39%) and trees (21%) within 3 km, trees (38%) and artificial surfaces (26%) within 16 km, and trees (46%) and water (27%) within 80 km.

3 km
147 m
16 km
953 m
80 km
2,441 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Marino 6.0 km · Grottaferrata 6.0 km · Giardinetti-Tor Vergata 6.0 km · Frascati 7.0 km · Rocca di Papa 9.0 km · Albano Laziale 9.0 km · Ariccia 11 km · Casal Bertone 12 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 Ciampino (41.8006°, 12.6016°, elevation 124 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).