Alessandria weather in May

In May, Alessandria sees average daytime highs of 23°C and overnight lows near 13°C, with 83 mm of rain across 11 wet days and about 14.6 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 25°C by the end. The sky is clear or mostly clear about 32% 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 Alessandria's 8th-clearest and 2nd-windiest month. For the whole year in context, see Alessandria's year-round climate.

Daytime high
23°
5th warmest
Overnight low
13°
8th coldest
Rainfall
83 mm
11 wet days
Daylight
14 h 36 min
5:03 AM – 7:41 PM
Cloud cover
56%
8th clearest
Wind
7 km/h
2nd windiest
Solar energy
5.64 kWh/m²
Travel score
6.6
out of 10

Alessandria is chief town of the homonym commune.

Air quality
Elevated
PM2.5 19.9 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 21°C in the first days to 25°C by the end.

A typical May day in Alessandria reaches about 23°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 18°C and 27°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)
12011
22012
32112
42112
52112
62112
72112
82112
92213
102213
112213
122213
132213
142213
152313
162313
172314
182314
192314
202314
212414
222414
232414
242414
252415
262415
272515
282515
292515
302515
312516

How May really feels in Alessandria

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.

Alessandria weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 576.6391.1
Feb10° / 556.2210.12.4
Mar15° / 617.10.711.64.8
Apr18° / 799.90.113.26.0
May23° / 13°8311014.66.6
Jun27° / 17°689.7015.36.4
Jul30° / 20°528.7015.15.2
Aug30° / 19°669.7013.95.5
Sep25° / 15°868.7012.37.1
Oct18° / 11°1009.4010.75.9
Nov12° / 1189.80.49.43.1
Dec / 667.42.48.71.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54654
64555
74555
84555
94852
104852
114852
124951
134951
144951
155149
165149
175248
185446
195545
205545
215743
225743
235842
245842
255842
265842
275743
285743
295743
305743
315743

Chance of precipitation in May

Any precipitation

Alessandria gets around 83 mm of rain over 11 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 36% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
239
339
439
539
639
738
838
938
1037
1137
1237
1337
1437
1537
1636
1736
1836
1935
2035
2135
2234
2334
2434
2533
2633
2733
2833
2933
3033
3134

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 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
185150
283161
382171
480191
579201
677221
776231
875241
974251
1072271
1171281
1270291
1368302
1467312
1566322
1665332
1764333
1863343
1961354
2060355
2158366
2257367
2355378
2454379
25533710
26503812
27493813
28463915
29443916
30423918
31404020

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 5:23 AM to 4:49 AM, and sunset from 7:23 PM to 7:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:237:23
214.05:217:24
314.15:207:25
414.15:187:26
514.25:177:28
614.25:167:29
714.35:147:30
814.35:137:31
914.35:117:32
1014.45:107:34
1114.45:097:35
1214.55:087:36
1314.55:067:37
1414.65:057:38
1514.65:047:40
1614.65:037:41
1714.75:027:42
1814.75:017:43
1914.75:007:44
2014.84:597:45
2114.84:587:46
2214.84:577:48
2314.94:567:49
2414.94:557:50
2514.94:547:51
2615.04:537:52
2715.04:527:53
2815.04:517:54
2915.14:517:55
3015.14:507:56
3115.14:497:56

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.64 kWh/m².

For context, solar energy here swings from a low near 1.23 kWh/m² to a high of 6.42 kWh/m² in July across the year — May's 5.64 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.3Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.8Bright
205.8Bright
215.8Bright
225.9Bright
235.9Bright
245.9Bright
256.0Bright
266.0Bright
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in May

Is May a good time to visit Alessandria?

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

6.6
Sightseeing
2nd-best month of the year
4.9
Beach & pool
5th-best month of the year

May is a reasonable time to visit Alessandria for sightseeing.

What to pack for Alessandria in May

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

In May, Alessandria sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Alessandria 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 59 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 Alessandria 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 Alessandria 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
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

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

Seasonal pattern from CAMS reanalysis, scaled to Alessandria's WHO annual average of 19.9 µg/m³.

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 Alessandria?

Alessandria sits at 44.9°N, 8.6°E, 95 m above sea level, in Italy. The nearest listed city is Valenza, 12 km away.

Topography around Alessandria

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

Within 3 km, the terrain around Alessandria has only modest variations in elevation — a maximum elevation change of 25 m around an average of 93 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 219 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,764 m.

The land around Alessandria is covered by cropland (39%) and artificial surfaces (34%) within 3 km, cropland (69%) within 16 km, and trees (41%) and cropland (36%) within 80 km.

3 km
25 m
16 km
219 m
80 km
1,764 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Valenza 12 km · Tortona 20 km · Novi Ligure 21 km · Casale Monferrato 28 km · Acqui Terme 28 km · Asti 32 km · Voghera 33 km · Vercelli 48 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 Alessandria (44.9092°, 8.6101°, elevation 95 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).