Cassino weather in May

In May, Cassino sees average daytime highs of 21°C and overnight lows near 10°C, with 87 mm of rain across 11.6 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 19°C in the first days to 22°C by the end. The sky is clear or mostly clear about 36% 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 42 min by month's end. Set against the rest of the year, May is Cassino's 6th-clearest and 7th-windiest month. For the whole year in context, see Cassino's year-round climate.

Daytime high
21°
5th warmest
Overnight low
10°
8th coldest
Rainfall
87 mm
11.6 wet days
Daylight
14 h 18 min
4:51 AM – 7:11 PM
Cloud cover
52%
6th clearest
Wind
5 km/h
7th windiest
Solar energy
6.22 kWh/m²
Travel score
6.3
out of 10
Air quality
Elevated
PM2.5 21.2 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 19°C in the first days to 22°C by the end.

A typical May day in Cassino reaches about 21°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°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)
1199
2199
3199
4199
5199
6199
7209
82010
92010
102010
112010
122010
132010
142010
152110
162110
172110
182111
192111
202111
212111
222111
232211
242211
252211
262211
272212
282212
292212
302212
312312

How May really feels in Cassino

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Cassino 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° / 999.81.29.32.2
Feb11° / 10610.71.310.32.5
Mar13° / 11011.2111.73.8
Apr16° / 11313.40.213.14.8
May21° / 10°8711.6014.36.3
Jun25° / 14°508.6014.97.4
Jul28° / 17°336.3014.77.3
Aug28° / 17°275.9013.77.1
Sep24° / 13°959.8012.37.0
Oct20° / 10°14410.7010.96.3
Nov14° / 19212.90.39.74.0
Dec11° / 14411.40.89.12.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
45050
55149
65149
75248
85347
95446
105446
115545
125644
135644
145743
155842
165842
176040
186040
196139
206139
216238
226238
236337
246436
256436
266436
276436
286337
296337
306337
316337

Chance of precipitation in May

Any precipitation

Cassino gets around 87 mm of rain over 11.6 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 37% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
144
244
343
442
541
641
740
839
938
1037
1136
1236
1335
1434
1534
1634
1734
1834
1934
2035
2135
2236
2336
2436
2537
2637
2737
2837
2937
3037
3137

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 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19460
29370
39280
49190
589110
688120
786140
885150
983170
1082180
1179201
1278211
1377221
1475241
1574251
1673261
1771272
1870282
1969292
2067303
2166313
2263334
2362344
2460355
2558375
2656386
2753407
2851427
2948438
3046459
31444610

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over May. Sunrise moves from 5:09 AM to 4:40 AM, and sunset from 6:55 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:096:55
213.85:086:56
313.85:066:57
413.95:056:58
513.95:046:59
614.05:027:00
714.05:017:01
814.05:007:02
914.14:597:03
1014.14:587:04
1114.24:567:06
1214.24:557:07
1314.24:547:08
1414.34:537:09
1514.34:527:10
1614.34:517:11
1714.44:507:12
1814.44:497:13
1914.44:487:14
2014.54:477:15
2114.54:477:16
2214.54:467:17
2314.54:457:18
2414.64:447:18
2514.64:437:19
2614.64:437:20
2714.74:427:21
2814.74:417:22
2914.74:417:23
3014.74:407:24
3114.74:407:25

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.22 kWh/m².

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 6.92 kWh/m² in July across the year — May's 6.22 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.8Bright
45.8Bright
55.8Bright
65.9Bright
75.9Bright
86.0Bright
96.0Bright
106.0Intense
116.1Intense
126.1Intense
136.1Intense
146.2Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.4Intense
226.4Intense
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 Cassino?

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

6.3
Sightseeing
5th-best month of the year
3.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Cassino for sightseeing.

What to pack for Cassino in May

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

In May, Cassino sees daytime highs around 21°C and nights near 10°C. Pack sun protection. Worth having: rain gear. About 12 days see rain.

sun protectionrain gear

Sea temperature near Cassino in May

The nearest coast averages about 19°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 40 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 27 to Nov 5 — about 5.4 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Cassino 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 Cassino peaks around July 16 at about 10 (extreme) — 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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highVery highHighModerateLowJul 16UV 10Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr5Moderate
May7Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Cassino 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 Cassino is worst in March — around 26 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Cassino's WHO annual average of 21.2 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2326 µg/m³Dec 1217 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb22Moderate
Mar26Moderate
Apr26Moderate
May23Moderate
Jun21Moderate
Jul20Moderate
Aug23Moderate
Sep19Moderate
Oct20Moderate
Nov18Moderate
Dec17Moderate
Location & terrain

Where is Cassino?

Cassino sits at 41.5°N, 13.8°E, 40 m above sea level, in Italy. The nearest listed city is Minturno, 26 km away.

Topography around Cassino

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

Within 3 km, the terrain around Cassino has significant variations in elevation — a maximum elevation change of 568 m around an average of 122 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,649 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,771 m.

The land around Cassino is covered by trees (45%) within 3 km, trees (59%) within 16 km, and trees (49%) within 80 km.

3 km
568 m
16 km
1,649 m
80 km
2,771 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Minturno 26 km · Formia 31 km · Sora 31 km · Isernia 36 km · Fondi 36 km · Gaeta 37 km · Mondragone 42 km · Frosinone 44 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 Cassino (41.4858°, 13.8284°, elevation 40 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).