Casale Monferrato weather in May

In May, Casale Monferrato sees average daytime highs of 23°C and overnight lows near 14°C, with 116 mm of rain across 12.6 wet days and about 14.6 hours of daylight. It is the 5th-warmest and 3rd-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 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 Casale Monferrato's 9th-clearest and 3rd-windiest month. For the whole year in context, see Casale Monferrato's year-round climate.

Daytime high
23°
5th warmest
Overnight low
14°
8th coldest
Rainfall
116 mm
12.6 wet days
Daylight
14 h 42 min
5:03 AM – 7:42 PM
Cloud cover
58%
9th clearest
Wind
7 km/h
3rd windiest
Solar energy
5.63 kWh/m²
Travel score
6.4
out of 10

Casale Monferrato is chief town of the homonym municipality.

Air quality
Good
PM10 27.8 µg/m³ · 2018

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 Casale Monferrato 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 4°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12112
22112
32112
42112
52112
62112
72112
82212
92213
102213
112213
122213
132213
142313
152313
162313
172314
182314
192314
202414
212414
222414
232414
242415
252415
262415
272515
282515
292515
302515
312516

How May really feels in Casale Monferrato

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.

Casale Monferrato weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°606.52.391.1
Feb10° / 616.51.710.12.4
Mar15° / 727.60.711.64.8
Apr18° / 10111.10.113.25.8
May23° / 14°11612.6014.66.4
Jun27° / 17°10111.3015.46.2
Jul30° / 20°759.9015.15.4
Aug29° / 19°9910.9013.95.7
Sep24° / 15°1149.5012.37.0
Oct18° / 11°1199.9010.75.7
Nov12° / 1439.90.39.33.1
Dec / 697.12.18.61.2

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 18% of May, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34159
44258
54159
64258
74258
84357
94456
104555
114555
124654
134654
144753
154753
164951
174852
184951
195149
205248
215347
225446
235446
245446
255545
265446
275446
285446
295545
305446
315446

Chance of precipitation in May

Any precipitation

Casale Monferrato gets around 116 mm of rain over 12.6 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 41% 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
345
445
545
644
744
844
943
1043
1142
1242
1342
1441
1541
1640
1740
1839
1939
2039
2138
2238
2338
2437
2537
2637
2737
2837
2938
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 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1841510
2831610
3811810
4801910
5792010
6772210
7762310
8752410
9742510
10722710
11712810
12702910
13683020
14673120
15653320
16643420
17633430
18613540
19603640
20593650
21573760
22553780
23543790
245337100
255038120
264838140
274638160
284437181
294237201
304037221
313837231

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 7:24 PM to 7:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:237:24
214.15:227:25
314.15:207:26
414.15:197:27
514.25:177:29
614.25:167:30
714.35:147:31
814.35:137:32
914.45:127:34
1014.45:107:35
1114.55:097:36
1214.55:087:37
1314.55:067:39
1414.65:057:40
1514.65:047:41
1614.75:037:42
1714.75:027:43
1814.75:017:44
1914.84:597:46
2014.84:587:47
2114.84:577:48
2214.94:567:49
2314.94:567:50
2414.94:557:51
2515.04:547:52
2615.04:537:53
2715.04:527:54
2815.14:517:55
2915.14:517:56
3015.14:507:57
3115.14:497:58

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.63 kWh/m².

For context, solar energy here swings from a low near 1.21 kWh/m² to a high of 6.4 kWh/m² in July across the year — May's 5.63 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
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 Casale Monferrato?

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
4.8
Beach & pool
5th-best month of the year

May is a reasonable time to visit Casale Monferrato for sightseeing.

What to pack for Casale Monferrato in May

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

In May, Casale Monferrato sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Casale Monferrato 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 Casale Monferrato peaks around July 14 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 10 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 14UV 8Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Casale Monferrato 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 Casale Monferrato 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 Casale Monferrato?

Casale Monferrato sits at 45.1°N, 8.5°E, 116 m above sea level, in Italy. The nearest listed city is Valenza, 20 km away.

Topography around Casale Monferrato

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

Within 3 km, the terrain around Casale Monferrato has only modest variations in elevation — a maximum elevation change of 175 m around an average of 124 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 349 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,876 m.

The land around Casale Monferrato is covered by cropland (45%) and artificial surfaces (21%) within 3 km, cropland (66%) within 16 km, and trees (41%) and cropland (36%) within 80 km.

3 km
175 m
16 km
349 m
80 km
2,876 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Valenza 20 km · Vercelli 21 km · Alessandria 28 km · Asti 32 km · Novara 37 km · Vigevano 37 km · Trecate 40 km · Tortona 42 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 Casale Monferrato (45.1334°, 8.4525°, elevation 116 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).