Asti weather in May

In May, Asti sees average daytime highs of 22°C and overnight lows near 13°C, with 114 mm of rain across 13.4 wet days and about 14.6 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 24°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 06 min by month's end. Set against the rest of the year, May is Asti's 9th-clearest and 3rd-windiest month. For the whole year in context, see Asti's year-round climate.

Daytime high
22°
5th warmest
Overnight low
13°
8th coldest
Rainfall
114 mm
13.4 wet days
Daylight
14 h 36 min
5:04 AM – 7:42 PM
Cloud cover
59%
9th clearest
Wind
7 km/h
3rd windiest
Solar energy
5.56 kWh/m²
Travel score
6.2
out of 10

Asti is location in Italy.

Air quality
Good
PM10 29.7 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 20°C in the first days to 24°C by the end.

A typical May day in Asti reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°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)
12011
22011
32011
42011
52012
62112
72112
82112
92112
102112
112112
122113
132213
142213
152213
162213
172213
182213
192313
202313
212314
222314
232314
242314
252414
262414
272414
282415
292415
302415
312415

How May really feels in Asti

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.

Asti weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°576.53.190.8
Feb / 586.12.310.12.1
Mar14° / 677.60.911.64.5
Apr18° / 9411.20.113.25.6
May22° / 13°11413.4014.66.2
Jun26° / 17°10612.1015.36.3
Jul29° / 19°8311.1015.15.6
Aug28° / 19°10812013.95.8
Sep24° / 15°11110012.36.9
Oct18° / 10°1079.3010.75.6
Nov11° / 1249.20.69.42.9
Dec / 6572.68.71.0

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 17% 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 (%)
14159
24159
34159
44159
54060
64159
74159
84159
94357
104357
114357
124456
134555
144555
154654
164753
174753
184852
195050
205149
215149
225248
235347
245347
255347
265248
275248
285248
295248
305248
315347

Chance of precipitation in May

Any precipitation

Asti gets around 114 mm of rain over 13.4 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 43% and peaks near 47% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
145
246
346
447
547
647
747
846
946
1046
1145
1245
1345
1444
1544
1643
1743
1842
1942
2041
2141
2241
2340
2440
2540
2640
2740
2841
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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1861400
2851500
3831700
4811810
5792010
6782110
7762310
8752410
9732610
10722710
11702910
12693010
13673210
14663310
15633520
16623620
17613720
18593830
19583930
20564040
21544150
22524260
23514270
24494380
254743100
264543120
274343131
284143151
293943171
303743191
313543211

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 06 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 5:25 AM to 4:51 AM, and sunset from 7:24 PM to 7:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:257:24
214.05:237:25
314.15:227:27
414.15:207:28
514.25:197:29
614.25:177:30
714.35:167:32
814.35:147:33
914.35:137:34
1014.45:127:35
1114.45:117:36
1214.55:097:38
1314.55:087:39
1414.65:077:40
1514.65:067:41
1614.65:047:42
1714.75:037:44
1814.75:027:45
1914.75:017:46
2014.85:007:47
2114.84:597:48
2214.84:587:49
2314.94:577:50
2414.94:567:51
2514.94:567:52
2615.04:557:53
2715.04:547:54
2815.04:537:55
2915.14:527:56
3015.14:527:57
3115.14:517:58

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.56 kWh/m².

For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 6.34 kWh/m² in July across the year — May's 5.56 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.1Bright
65.1Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
306.0Bright
316.0Bright
Planning a trip in May

Is May a good time to visit Asti?

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

6.2
Sightseeing
3rd-best month of the year
4.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Asti for sightseeing.

What to pack for Asti in May

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

In May, Asti sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Asti 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 67 km away) is warmest in August at about 25°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 3 to Oct 19 — about 4.6 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Bracing
May18Cool
Jun22Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct20Refreshing
Nov18Cool
Dec16Cool

UV index in Asti in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Asti peaks around July 14 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 14UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

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

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1724 µg/m³Aug 1317 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb22Moderate
Mar25Moderate
Apr22Moderate
May19Moderate
Jun20Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct19Moderate
Nov18Moderate
Dec20Moderate
Location & terrain

Where is Asti?

Asti sits at 44.9°N, 8.2°E, 123 m above sea level, in Italy. The nearest listed city is Alba, 26 km away.

Topography around Asti

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

Within 3 km, the terrain around Asti has only modest variations in elevation — a maximum elevation change of 124 m around an average of 132 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 257 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,572 m.

The land around Asti is covered by artificial surfaces (32%), trees (28%) and cropland (21%) within 3 km, trees (48%), cropland (25%) and grassland (22%) within 16 km, and trees (44%) and cropland (35%) within 80 km.

3 km
124 m
16 km
257 m
80 km
2,572 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Alba 26 km · Alessandria 32 km · Casale Monferrato 32 km · Acqui Terme 33 km · Chieri 33 km · Bra 36 km · Valenza 36 km · Carmagnola 39 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 Asti (44.9016°, 8.2075°, elevation 123 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).