Marino weather in May

In May, Marino sees average daytime highs of 22°C and overnight lows near 13°C, with 75 mm of rain across 10.1 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 24°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 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 Marino's 5th-clearest and 7th-windiest month. For the whole year in context, see Marino's year-round climate.

Daytime high
22°
5th warmest
Overnight low
13°
8th coldest
Rainfall
75 mm
10.1 wet days
Daylight
14 h 18 min
4:55 AM – 7:16 PM
Cloud cover
48%
5th clearest
Wind
7 km/h
7th windiest
Solar energy
6.36 kWh/m²
Travel score
6.8
out of 10

Marino is chief town of the homonym municipality.

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 Marino reaches about 22°C in the afternoon and slips back to 13°C overnight — a 10°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 4°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12011
22011
32011
42011
52111
62111
72112
82112
92112
102112
112112
122212
132212
142212
152212
162213
172213
182213
192213
202313
212313
222313
232313
242313
252314
262314
272314
282414
292414
302414
312414

Marino 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
Jan11° / 789.60.39.32.9
Feb12° / 829.80.610.33.2
Mar15° / 8810.30.111.74.5
Apr18° / 9412.70.113.15.4
May22° / 13°7510.1014.36.8
Jun26° / 16°467.70157.3
Jul29° / 19°295.2014.76.5
Aug30° / 19°305.8013.76.2
Sep25° / 16°9310.3012.37.0
Oct21° / 12°12511.3010.96.4
Nov16° / 14812.809.64.6
Dec12° / 11310.80.193.2

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 (%)
15644
25743
35644
45743
55842
65941
75941
86040
96040
106139
116139
126139
136337
146337
156337
166337
176436
186535
196535
206535
216634
226634
236634
246733
256733
266733
276733
286733
296634
306733
316733

Chance of precipitation in May

Any precipitation

Marino gets around 75 mm of rain over 10.1 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 33% and peaks near 44% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
144
243
342
442
541
640
739
838
937
1035
1134
1233
1332
1431
1531
1630
1729
1829
1929
2029
2128
2228
2329
2429
2529
2630
2730
2830
2931
3031
3132

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 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
186140
284160
381190
479210
577230
675250
773270
870291
969301
1068311
1166331
1265341
1365341
1464351
1562362
1661372
1760373
1859383
1958384
2057385
2155396
2254397
2352408
2451409
25494110
26474212
27444213
28424315
29394417
30374519
31344521

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 4:43 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
313.95:107:02
413.95:097:03
513.95:087:04
614.05:077:05
714.05:057:07
814.15:047:08
914.15:037:09
1014.15:027:10
1114.25:007:11
1214.24:597:12
1314.24:587:13
1414.34:577:14
1514.34:567:15
1614.34:557:16
1714.44:547:17
1814.44:537:18
1914.44:527:19
2014.54:517:20
2114.54:507:21
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
2914.74:457:28
3014.84:447:29
3114.84:437:30

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 1.66 kWh/m² to a high of 7.08 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
136.2Intense
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
276.6Intense
286.7Intense
296.7Intense
306.7Intense
316.7Intense
Planning a trip in May

Is May a good time to visit Marino?

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

6.8
Sightseeing
3rd-best month of the year
4.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Marino for sightseeing.

What to pack for Marino in May

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

In May, Marino sees daytime highs around 22°C and nights near 13°C. Pack sun protection. Worth having: light clothes and rain gear. About 10 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Marino 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 29 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 Marino 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 Marino 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
Mar5Moderate
Apr4Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Marino 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 Marino 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 Marino?

Marino sits at 41.8°N, 12.7°E, 360 m above sea level, in Italy. The nearest listed city is Grottaferrata, 2.0 km away.

Topography around Marino

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

Within 3 km, the terrain around Marino has significant variations in elevation — a maximum elevation change of 368 m around an average of 319 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 936 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,441 m.

The land around Marino is covered by trees (57%) within 3 km, trees (47%) within 16 km, and trees (45%) and water (27%) within 80 km.

3 km
368 m
16 km
936 m
80 km
2,441 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Grottaferrata 2.0 km · Rocca di Papa 4.0 km · Frascati 5.0 km · Albano Laziale 5.0 km · Ariccia 6.0 km · Ciampino 6.0 km · Genzano di Roma 7.0 km · Giardinetti-Tor Vergata 10 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 Marino (41.7698°, 12.6592°, elevation 360 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).