Arcore weather in May

In May, Arcore sees average daytime highs of 20°C and overnight lows near 12°C, with 137 mm of precipitation across 15.2 wet days and about 14.7 hours of daylight. It is the 5th-warmest and 6th-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 27% 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 Arcore's 12th-clearest and 3rd-windiest month. For the whole year in context, see Arcore's year-round climate.

Daytime high
20°
5th warmest
Overnight low
12°
8th coldest
Precipitation
137 mm
15.2 wet days
Daylight
14 h 42 min
4:58 AM – 7:40 PM
Cloud cover
60%
12th clearest
Wind
6 km/h
3rd windiest
Solar energy
5.47 kWh/m²
Travel score
5.6
out of 10

Arcore 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 18°C in the first days to 22°C by the end.

A typical May day in Arcore reaches about 20°C in the afternoon and slips back to 12°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 15°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)
11810
21810
31810
41811
51911
61911
71911
81911
91911
101911
111911
122012
132012
142012
152012
162012
172012
182112
192112
202113
212113
222113
232113
242213
252213
262213
272213
282214
292214
302214
312314

How May really feels in Arcore

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.

Arcore weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°626.93.98.90.6
Feb / 627.23.710.11.5
Mar12° / 829.22.111.63.5
Apr16° / 12013.20.813.34.6
May20° / 12°13715.20.114.75.6
Jun24° / 16°14513.5015.46.4
Jul27° / 18°11613015.16.4
Aug26° / 18°14213.6013.96.4
Sep21° / 14°14911012.36.4
Oct16° / 10°15611.20.210.74.8
Nov11° / 160111.19.32.4
Dec / 787.538.60.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
33961
43961
53961
64060
74159
84159
94159
104357
114357
124357
134357
144555
154555
164654
174852
184951
194951
205149
215248
225248
235347
245446
255446
265446
275446
285446
295347
305347
315248

Chance of precipitation in May

Any precipitation

Arcore gets around 137 mm of rain and snow over 15.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 49% and peaks near 55% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
154
254
355
455
555
655
755
854
954
1053
1153
1252
1351
1451
1550
1650
1749
1848
1947
2046
2146
2245
2344
2444
2543
2643
2743
2843
2944
3045
3145

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 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29730
39730
49640
59640
69550
79460
89460
99370
109280
119190
129190
1390100
1489110
1589110
1688120
1787130
1886140
1985150
2082171
2181181
2280191
2378202
2477212
2574233
2672244
2770264
2867285
2965296
3063316
3161327

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:19 AM to 4:44 AM, and sunset from 7:21 PM to 7:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:197:21
214.15:177:23
314.15:157:24
414.25:147:25
514.25:127:26
614.35:117:28
714.35:107:29
814.45:087:30
914.45:077:31
1014.55:057:33
1114.55:047:34
1214.55:037:35
1314.65:027:36
1414.65:007:38
1514.74:597:39
1614.74:587:40
1714.74:577:41
1814.84:567:42
1914.84:557:44
2014.94:537:45
2114.94:527:46
2214.94:517:47
2315.04:507:48
2415.04:507:49
2515.04:497:50
2615.14:487:51
2715.14:477:52
2815.14:467:53
2915.14:457:54
3015.24:457:55
3115.24:447:56

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.47 kWh/m².

For context, solar energy here swings from a low near 1.26 kWh/m² to a high of 6.11 kWh/m² in July across the year — May's 5.47 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.7Bright
225.7Bright
235.7Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Is May a good time to visit Arcore?

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

5.6
Sightseeing
5th-best month of the year
3.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Arcore for sightseeing.

What to pack for Arcore in May

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

In May, Arcore sees daytime highs around 20°C and nights near 12°C. Pack rain gear. Worth having: sun protection. About 15 days see rain.

rain gearsun protection

UV index in Arcore 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 Arcore 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 Arcore 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 Arcore 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 Arcore?

Arcore sits at 45.6°N, 9.3°E, 193 m above sea level, in Italy. The nearest listed city is Vimercate, 4.0 km away.

Topography around Arcore

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

Within 3 km, the terrain around Arcore has only modest variations in elevation — a maximum elevation change of 98 m around an average of 200 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 750 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,539 m.

The land around Arcore is covered by trees (34%) and artificial surfaces (29%) within 3 km, artificial surfaces (35%) and trees (30%) within 16 km, and trees (40%) and cropland (31%) within 80 km.

3 km
98 m
16 km
750 m
80 km
3,539 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Vimercate 4.0 km · Monza 7.0 km · Lissone 7.0 km · Brugherio 8.0 km · Muggiò 9.0 km · Carugate 9.0 km · Carate Brianza 9.0 km · Desio 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 Arcore (45.6268°, 9.3245°, elevation 193 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).