Campobasso weather in May

In May, Campobasso sees average daytime highs of 20°C and overnight lows near 11°C, with 67 mm of rain across 10.4 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 7th-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 34% 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 Campobasso's 5th-clearest and 7th-windiest month. For the whole year in context, see Campobasso's year-round climate.

Daytime high
20°
5th warmest
Overnight low
11°
8th coldest
Rainfall
67 mm
10.4 wet days
Daylight
14 h 18 min
4:48 AM – 7:08 PM
Cloud cover
53%
5th clearest
Wind
9 km/h
7th windiest
Solar energy
6.12 kWh/m²
Travel score
6.3
out of 10
Air quality
Moderate
PM2.5 10.4 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 18°C in the first days to 22°C by the end.

A typical May day in Campobasso reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°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)
1189
2189
3189
4189
5189
61910
71910
81910
91910
101910
111910
121910
131910
142010
152011
162011
172011
182011
192011
202011
212011
222111
232111
242111
252112
262112
272112
282212
292212
302212
312212

How May really feels in Campobasso

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.

Campobasso 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
Jan / 689.42.59.31.3
Feb / 649.82.910.31.6
Mar12° / 7711.7211.73.0
Apr15° / 7812.10.313.14.4
May20° / 11°6710.4014.36.3
Jun25° / 15°538014.97.4
Jul27° / 17°417.1014.77.3
Aug28° / 17°357.5013.77.0
Sep23° / 14°569.1012.37.1
Oct18° / 10°688.90.110.96.1
Nov13° / 82100.79.73.6
Dec / 7910.72.491.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 23% of May, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
35050
45149
55248
65347
75347
85446
95545
105545
115644
125644
135743
145743
155743
165842
175842
185842
195842
205941
215941
225941
236040
246040
256040
266040
276139
286139
296238
306238
316238

Chance of precipitation in May

Any precipitation

Campobasso gets around 67 mm of rain over 10.4 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 34% and peaks near 41% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
340
440
539
638
738
837
936
1035
1135
1234
1333
1433
1532
1632
1731
1831
1931
2031
2131
2231
2331
2431
2531
2631
2731
2831
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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29820
39730
49730
59640
69640
79550
89550
99460
109370
119370
129280
139190
149190
1590100
1689110
1788120
1887130
1986140
2085150
2182171
2281181
2380191
2479201
2577221
2676231
2774251
2872271
2971281
3069301
3167321

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 5:06 AM to 4:36 AM, and sunset from 6:52 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:066:52
213.85:046:53
313.85:036:54
413.95:016:55
513.95:006:56
614.04:596:57
714.04:586:58
814.04:566:59
914.14:557:00
1014.14:547:01
1114.24:537:02
1214.24:527:03
1314.24:517:04
1414.34:507:05
1514.34:497:07
1614.34:487:08
1714.44:477:09
1814.44:467:10
1914.44:457:11
2014.54:447:12
2114.54:437:12
2214.54:427:13
2314.64:417:14
2414.64:417:15
2514.64:407:16
2614.64:397:17
2714.74:387:18
2814.74:387:19
2914.74:377:20
3014.74:377:21
3114.84:367:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.12 kWh/m².

For context, solar energy here swings from a low near 1.6 kWh/m² to a high of 6.81 kWh/m² in July across the year — May's 6.12 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
116.0Bright
126.0Bright
136.0Intense
146.0Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.2Intense
206.2Intense
216.2Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
316.5Intense
Planning a trip in May

Is May a good time to visit Campobasso?

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
3.2
Beach & pool
5th-best month of the year

May is a reasonable time to visit Campobasso for sightseeing.

What to pack for Campobasso in May

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

In May, Campobasso sees daytime highs around 20°C and nights near 11°C. Pack sun protection. Worth having: rain gear. About 10 days see rain.

sun protectionrain gear

Sea temperature near Campobasso 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 65 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from May 31 to Oct 16 — about 4.6 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Refreshing
Oct20Refreshing
Nov17Cool
Dec15Cool

UV index in Campobasso 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 Campobasso peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 15UV 10Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr5Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Campobasso?

Campobasso sits at 41.6°N, 14.7°E, 701 m above sea level, in Italy. The nearest listed city is Isernia, 36 km away.

Topography around Campobasso

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

Within 3 km, the terrain around Campobasso has significant variations in elevation — a maximum elevation change of 373 m around an average of 667 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 830 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,770 m.

The land around Campobasso is covered by trees (37%), artificial surfaces (27%) and grassland (20%) within 3 km, trees (48%) and cropland (29%) within 16 km, and trees (44%) and cropland (32%) within 80 km.

3 km
373 m
16 km
830 m
80 km
2,770 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Isernia 36 km · Benevento 49 km · Torremaggiore 54 km · San Salvo 54 km · Termoli 56 km · Lucera 56 km · Caserta 61 km · San Severo 61 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 Campobasso (41.5595°, 14.6674°, elevation 701 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).