Ciudad de Allende weather in May

In May, Ciudad de Allende sees average daytime highs of 28°C and overnight lows near 17°C, with 122 mm of rain across 13.6 wet days and about 13.2 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 29°C by the end. The sky is clear or mostly clear about 41% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 54 min at the start of May to 13 h 24 min by month's end. Set against the rest of the year, May is Ciudad de Allende's 9th-clearest and 7th-windiest month. For the whole year in context, see Ciudad de Allende's year-round climate.

Daytime high
28°
4th warmest
Overnight low
17°
8th coldest
Rainfall
122 mm
13.6 wet days
Daylight
13 h 12 min
5:59 AM – 7:13 PM
Cloud cover
49%
9th clearest
Wind
6 km/h
7th windiest
Solar energy
6.54 kWh/m²
Travel score
5.5
out of 10

Ciudad de Allende is municipal seat of Allende, State of Nuevo León, Mexico.

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 28°C in the first days to 29°C by the end.

A typical May day in Ciudad de Allende reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 32°C. Set against its neighbours, May runs about 2°C warmer than April and about 2°C cooler than June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12716
22816
32816
42816
52816
62816
72817
82817
92817
102817
112817
122817
132817
142817
152817
162817
172817
182817
192917
202917
212918
222918
232918
242918
252918
262918
272918
282918
292918
303018
313018

How May really feels in Ciudad de Allende

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.

Ciudad de Allende weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 487.910.66.5
Feb21° / 639.111.16.7
Mar23° / 11°9512.311.86.8
Apr26° / 14°12913.412.66.2
May28° / 17°12213.613.25.5
Jun30° / 19°779.413.55.2
Jul31° / 19°788.413.45.0
Aug31° / 19°63912.94.9
Sep28° / 18°19515.612.25.5
Oct25° / 15°1021011.47.1
Nov22° / 11°53810.87.2
Dec19° / 386.410.56.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
36040
46040
56139
66139
76238
86238
96238
106238
116238
126337
136337
146436
156436
166436
176535
186436
196535
206535
216535
226634
236733
246832
256832
266931
276931
287030
297030
307129
317228

Chance of precipitation in May

Any precipitation

Ciudad de Allende gets around 122 mm of rain over 13.6 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 43% and peaks near 48% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
144
244
344
445
546
646
747
847
948
1048
1148
1247
1347
1447
1546
1646
1745
1845
1944
2043
2142
2241
2340
2440
2539
2638
2737
2837
2936
3035
3135

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the muggy band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 46% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1122038301
2111938311
3101838321
4101739341
591639351
681540361
771440371
861341382
951242392
1051143392
1141144392
1231045392
1331045393
142946403
152946403
162945413
172845414
182844424
191744434
201743454
211642464
221642475
231641485
241540495
251540505
261439515
270438535
280438535
290437545
300436555
310435565

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 12 h 54 min at the start of May to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over May. Sunrise moves from 6:09 AM to 5:54 AM, and sunset from 7:05 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:097:05
213.06:087:06
313.06:087:06
413.06:077:07
513.06:067:07
613.06:067:08
713.16:057:08
813.16:047:09
913.16:047:09
1013.16:037:10
1113.16:027:11
1213.26:027:11
1313.26:017:12
1413.26:017:12
1513.26:007:13
1613.25:597:13
1713.25:597:14
1813.35:587:14
1913.35:587:15
2013.35:587:15
2113.35:577:16
2213.35:577:16
2313.35:567:17
2413.45:567:17
2513.45:567:18
2613.45:557:18
2713.45:557:19
2813.45:557:19
2913.45:557:20
3013.45:547:20
3113.45:547:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.54 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 6.74 kWh/m² in June across the year — May's 6.54 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
316.8Intense
Planning a trip in May

Is May a good time to visit Ciudad de Allende?

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

5.5
Sightseeing
8th-best month of the year
6.6
Beach & pool
4th-best month of the year

May is a reasonable time to visit Ciudad de Allende for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ciudad de Allende in May

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

In May, Ciudad de Allende sees daytime highs around 28°C and nights near 17°C. Pack light clothes and sun protection. Worth having: rain gear. About 14 days see rain.

light clothessun protectionrain gear

UV index in Ciudad de Allende in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ciudad de Allende peaks around June 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJun 19UV 12Dec 19UV 5
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep10Extreme
Oct9Very high
Nov6High
Dec5High

Air quality in Ciudad de Allende 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 Ciudad de Allende is worst in May — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1919 µg/m³Oct 2113 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar15Moderate
Apr15Moderate
May19Moderate
Jun17Moderate
Jul18Moderate
Aug16Moderate
Sep16Moderate
Oct13Moderate
Nov13Moderate
Dec15Moderate
Location & terrain

Where is Ciudad de Allende?

Ciudad de Allende sits at 25.3°N, 100.0°W, 469 m above sea level, in Mexico. The nearest listed city is Santiago, 21 km away.

Topography around Ciudad de Allende

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

Within 3 km, the terrain around Ciudad de Allende has only modest variations in elevation — a maximum elevation change of 147 m around an average of 456 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,478 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,555 m.

The land around Ciudad de Allende is covered by trees (45%) and artificial surfaces (26%) within 3 km, trees (76%) within 16 km, and shrubs (43%) and trees (38%) within 80 km.

3 km
147 m
16 km
2,478 m
80 km
3,555 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Santiago 21 km · Montemorelos 22 km · Cadereyta 34 km · Cadereyta Jiménez 34 km · Ciudad Benito Juárez 41 km · Jardines de la Silla 42 km · Guadalupe 50 km · Monterrey 54 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 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 Ciudad de Allende (25.2812°, -100.0193°, elevation 469 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).