Como weather in May

In May, Como sees average daytime highs of 21°C and overnight lows near 13°C, with 137 mm of rain across 13.5 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 19°C in the first days to 23°C by the end. The sky is clear or mostly clear about 28% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 12 min by month's end. Set against the rest of the year, May is Como's 12th-clearest and 3rd-windiest month. For the whole year in context, see Como's year-round climate.

Daytime high
21°
5th warmest
Overnight low
13°
8th coldest
Rainfall
137 mm
13.5 wet days
Daylight
14 h 42 min
4:58 AM – 7:42 PM
Cloud cover
59%
12th clearest
Wind
6 km/h
3rd windiest
Solar energy
5.51 kWh/m²
Travel score
6.0
out of 10
Air quality
Elevated
PM2.5 19.8 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 23°C by the end.

A typical May day in Como reaches about 21°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 16°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)
11911
21911
31911
41911
51911
61911
72012
82012
92012
102012
112012
122012
132012
142112
152112
162113
172113
182113
192113
202213
212213
222213
232214
242214
252214
262314
272314
282314
292314
302315
312315

How May really feels in Como

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.

Como 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 / 646.63.18.90.9
Feb / 646.92.610.11.8
Mar13° / 838.41.311.63.9
Apr17° / 12212.10.413.35.0
May21° / 13°13713.5014.76.0
Jun25° / 17°14312.9015.56.4
Jul27° / 19°11211.3015.26.5
Aug27° / 19°14612.4013.96.5
Sep22° / 15°15510.4012.36.6
Oct16° / 11°16110.7010.75.1
Nov11° / 17210.60.89.32.7
Dec / 787.32.68.51.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% 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
34060
43961
54060
64060
74159
84258
94258
104357
114456
124456
134555
144555
154654
164753
174852
184951
195149
205149
215248
225347
235347
245446
255446
265446
275446
285446
295446
305446
315347

Chance of precipitation in May

Any precipitation

Como gets around 137 mm of rain over 13.5 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 44% and peaks near 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
249
349
449
549
649
748
848
947
1047
1146
1246
1345
1445
1544
1644
1743
1843
1942
2041
2141
2240
2340
2439
2539
2639
2739
2840
2941
3042
3143

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 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19550
29460
39460
49370
59280
69190
790100
889110
988120
1088120
1187130
1286140
1385150
1484160
1583170
1682180
1781190
1880200
1978211
2077221
2174242
2273252
2371263
2469274
2567285
2665296
2763307
2861318
2960319
30583210
31563311

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 h 06 min 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 66 minutes over May. Sunrise moves from 5:19 AM to 4:44 AM, and sunset from 7:23 PM to 7:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:197:23
214.15:187:24
314.25:167:25
414.25:157:26
514.25:137:28
614.35:127:29
714.35:107:30
814.45:097:32
914.45:077:33
1014.55:067:34
1114.55:057:35
1214.65:037:37
1314.65:027:38
1414.65:017:39
1514.74:597:40
1614.74:587:42
1714.84:577:43
1814.84:567:44
1914.84:557:45
2014.94:547:46
2114.94:537:47
2214.94:527:48
2315.04:517:50
2415.04:507:51
2515.04:497:52
2615.14:487:53
2715.14:477:54
2815.14:477:55
2915.24:467:56
3015.24:457:57
3115.24:447:58

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.51 kWh/m².

For context, solar energy here swings from a low near 1.23 kWh/m² to a high of 6.16 kWh/m² in July across the year — May's 5.51 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Is May a good time to visit Como?

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

6.0
Sightseeing
5th-best month of the year
3.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Como for sightseeing.

What to pack for Como in May

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

In May, Como sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear and sun protection. About 14 days see rain.

rain gearsun protection

UV index in Como 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 Como peaks around July 16 at about 8 (very high) — 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 16UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May7Very high
Jun7Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Como 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 Como is worst in March — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Como's WHO annual average of 19.8 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2225 µg/m³Nov 1416 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb20Moderate
Mar25Moderate
Apr24Moderate
May20Moderate
Jun23Moderate
Jul20Moderate
Aug18Moderate
Sep17Moderate
Oct17Moderate
Nov16Moderate
Dec17Moderate
Location & terrain

Where is Como?

Como sits at 45.8°N, 9.1°E, 201 m above sea level, in Italy. The nearest listed city is Cantù, 8.0 km away.

Topography around Como

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

Within 3 km, the terrain around Como has large variations in elevation — a maximum elevation change of 805 m around an average of 373 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,469 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,527 m.

The land around Como is covered by trees (62%) and artificial surfaces (25%) within 3 km, trees (62%) within 16 km, and trees (47%) and cropland (21%) within 80 km.

3 km
805 m
16 km
1,469 m
80 km
3,527 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
May weather nearby: Cantù 8.0 km · Erba 11 km · Mariano Comense 15 km · Giussano 15 km · Malnate 16 km · Meda 17 km · Tradate 18 km · Seveso 19 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 Como (45.8082°, 9.0832°, elevation 201 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).