Caronno Pertusella weather in May

In May, Caronno Pertusella sees average daytime highs of 23°C and overnight lows near 14°C, with 128 mm of rain across 12.3 wet days and about 14.7 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 25°C by the end. The sky is clear or mostly clear about 30% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 hours at the start of May to 15 h 12 min by month's end. Set against the rest of the year, May is Caronno Pertusella's 10th-clearest and 3rd-windiest month. For the whole year in context, see Caronno Pertusella's year-round climate.

Daytime high
23°
5th warmest
Overnight low
14°
8th coldest
Rainfall
128 mm
12.3 wet days
Daylight
14 h 42 min
4:59 AM – 7:41 PM
Cloud cover
58%
10th clearest
Wind
7 km/h
3rd windiest
Solar energy
5.68 kWh/m²
Travel score
6.4
out of 10

Caronno Pertusella is chief town of the municipality of Caronno Pertusella in Italy.

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 25°C by the end.

A typical May day in Caronno Pertusella reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 27°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12012
22012
32012
42112
52112
62112
72113
82113
92113
102213
112213
122213
132213
142213
152214
162314
172314
182314
192314
202314
212314
222415
232415
242415
252415
262415
272415
282515
292516
302516
312516

How May really feels in Caronno Pertusella

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.

Caronno Pertusella weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6471.88.91.1
Feb10° / 646.81.610.12.2
Mar14° / 818.30.611.64.6
Apr18° / 11511.50.113.35.6
May23° / 14°12812.3014.76.4
Jun27° / 18°12511.5015.46.3
Jul29° / 20°9710.2015.15.6
Aug28° / 19°13611.7013.95.8
Sep23° / 15°14010.1012.36.9
Oct18° / 11°14110.6010.75.5
Nov12° / 16310.80.49.33.0
Dec / 787.51.78.61.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% 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 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54159
64258
74357
84456
94456
104555
114555
124555
134654
144753
154852
164951
174951
185149
195347
205347
215446
225446
235545
245644
255644
265644
275644
285644
295644
305545
315545

Chance of precipitation in May

Any precipitation

Caronno Pertusella gets around 128 mm of rain over 12.3 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 40% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
144
244
344
445
544
644
744
843
943
1042
1141
1241
1340
1440
1539
1639
1738
1838
1937
2037
2137
2236
2336
2436
2536
2636
2736
2837
2937
3038
3139

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 69% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1871210
2861310
3851410
4831610
5821710
6811810
7791920
8772120
9762220
10752320
11742420
12742420
13732520
14722620
15712720
16712720
17702820
18692920
19682930
20663040
21663040
22643150
23633160
24623170
25593290
265832100
275533120
285333140
295233150
304934171
314734191

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 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
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 14 hours at the start of May to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 5:20 AM to 4:45 AM, and sunset from 7:22 PM to 7:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:207:22
214.15:187:24
314.15:177:25
414.25:157:26
514.25:147:27
614.35:127:29
714.35:117:30
814.45:097:31
914.45:087:32
1014.55:077:34
1114.55:057:35
1214.55:047:36
1314.65:037:37
1414.65:017:39
1514.75:007:40
1614.74:597:41
1714.74:587:42
1814.84:577:43
1914.84:567:45
2014.94:557:46
2114.94:547:47
2214.94:537:48
2315.04:527:49
2415.04:517:50
2515.04:507:51
2615.14:497:52
2715.14:487:53
2815.14:477:54
2915.14:477:55
3015.24:467:56
3115.24:457:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.68 kWh/m².

For context, solar energy here swings from a low near 1.21 kWh/m² to a high of 6.36 kWh/m² in July across the year — May's 5.68 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.5Bright
125.5Bright
135.5Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.8Bright
195.8Bright
205.8Bright
215.9Bright
225.9Bright
236.0Bright
246.0Bright
256.0Intense
266.0Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Is May a good time to visit Caronno Pertusella?

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

6.4
Sightseeing
2nd-best month of the year
4.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Caronno Pertusella for sightseeing.

What to pack for Caronno Pertusella in May

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

In May, Caronno Pertusella sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Caronno Pertusella 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 Caronno Pertusella peaks around July 15 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 15UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May7High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Caronno Pertusella 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 Caronno Pertusella is worst in March — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2221 µg/m³Nov 1414 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar21Moderate
Apr20Moderate
May17Moderate
Jun20Moderate
Jul17Moderate
Aug15Moderate
Sep14Moderate
Oct14Moderate
Nov14Moderate
Dec15Moderate
Location & terrain

Where is Caronno Pertusella?

Caronno Pertusella sits at 45.6°N, 9.0°E, 194 m above sea level, in Italy. The nearest listed city is Saronno, 3.0 km away.

Topography around Caronno Pertusella

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

Within 3 km, the terrain around Caronno Pertusella has only modest variations in elevation — a maximum elevation change of 49 m around an average of 195 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 270 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,818 m.

The land around Caronno Pertusella is covered by artificial surfaces (46%) and cropland (20%) within 3 km, artificial surfaces (40%) and trees (28%) within 16 km, and trees (41%) and cropland (33%) within 80 km.

3 km
49 m
16 km
270 m
80 km
2,818 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Saronno 3.0 km · Lainate 3.0 km · Garbagnate Milanese 3.0 km · Arese 6.0 km · Limbiate 6.0 km · Senago 7.0 km · Nerviano 7.0 km · Rho 7.0 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 Caronno Pertusella (45.5978°, 9.0463°, elevation 194 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. 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).