Tehuacán weather in May

In May, Tehuacán sees average daytime highs of 26°C and overnight lows near 14°C, with 100 mm of rain across 15.3 wet days and about 12.9 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 27% of the time in May, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Tehuacán's 7th-clearest and 12th-windiest month. For the whole year in context, see Tehuacán's year-round climate.

Daytime high
26°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
100 mm
15.3 wet days
Daylight
12 h 54 min
6:00 AM – 6:52 PM
Cloud cover
56%
7th clearest
Wind
8 km/h
12th windiest
Solar energy
6.78 kWh/m²
Travel score
6.0
out of 10

Tehuacán is municipal seat of Tehuacán, State of Puebla, Mexico.

Density
449/km²
people per km²
Founded
1660

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical May day in Tehuacán reaches about 26°C in the afternoon and slips back to 14°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 29°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12613
22613
32613
42613
52613
62613
72613
82614
92614
102614
112614
122614
132614
142614
152614
162614
172614
182614
192614
202514
212514
222514
232514
242514
252514
262514
272514
282514
292514
302514
312514

Tehuacán weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 71.5118.2
Feb23° / 81.811.48.6
Mar25° / 11°194.711.98.2
Apr26° / 13°498.612.47.0
May26° / 14°10015.312.96.0
Jun24° / 14°14316.213.15.8
Jul24° / 13°7410.1136.7
Aug25° / 13°8312.212.66.4
Sep24° / 14°12115.312.15.9
Oct24° / 12°6510.411.66.8
Nov23° / 10°163.911.17.9
Dec22° / 61.310.98.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 28% of May, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36436
46337
56238
66139
76040
85941
95842
105743
115743
125644
135644
145644
155644
165545
175545
185545
195545
205446
215446
225347
235248
245149
255149
265050
274951
284852
294753
304654
314555

Chance of precipitation in May

Any precipitation

Tehuacán gets around 100 mm of rain over 15.3 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 50% and peaks near 55% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
139
240
341
442
543
645
746
847
948
1049
1150
1251
1351
1452
1552
1652
1752
1852
1952
2052
2152
2252
2352
2452
2552
2652
2752
2853
2954
3054
3155

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
177230
275250
374260
472280
571290
669310
767330
866340
964360
1062371
1160391
1259401
1358411
1457421
1556431
1655441
1754451
1853461
1953461
2052471
2151481
2250491
2349491
2449501
2548511
2647521
2746522
2845532
2943552
3042562
3140582

Wind in May

Winds average 8 km/h in May, the calmest month.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 42 min at the start of May to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 6:07 AM to 5:56 AM, and sunset from 6:47 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:076:47
212.76:066:47
312.76:066:47
412.76:056:48
512.76:056:48
612.76:046:48
712.76:046:49
812.86:036:49
912.86:036:49
1012.86:026:50
1112.86:026:50
1212.86:016:50
1312.86:016:51
1412.86:016:51
1512.96:006:51
1612.96:006:52
1712.95:596:52
1812.95:596:53
1912.95:596:53
2012.95:596:53
2112.95:586:54
2212.95:586:54
2312.95:586:54
2413.05:586:55
2513.05:576:55
2613.05:576:56
2713.05:576:56
2813.05:576:56
2913.05:576:57
3013.05:576:57
3113.05:566:58

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.78 kWh/m².

For context, solar energy here swings from a low near 4.88 kWh/m² to a high of 7.1 kWh/m² in April across the year — May's 6.78 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
67.0Intense
76.9Intense
86.9Intense
96.9Intense
106.9Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.6Intense
246.6Intense
256.6Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.4Intense
316.4Intense
Planning a trip in May

Hazard calendar for Tehuacán

In seasonPeak

In May, Tehuacán sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Tehuacán's rainy season runs May–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Tehuacán?

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

6.0
Sightseeing
10th-best month of the year
5.6
Beach & pool
7th-best month of the year

May is a reasonable time to visit Tehuacán for sightseeing.

What to pack for Tehuacán in May

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

In May, Tehuacán sees daytime highs around 26°C and nights near 14°C. Pack rain gear and sun protection. Worth having: light clothes. About 15 days see rain.

rain gearsun protectionlight clothes

UV index in Tehuacán in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tehuacán peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highApr 12UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr15Extreme
May9Very high
Jun13Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Tehuacán 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 Tehuacán is worst in May — around 38 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (January, 20 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateMay 1737 µg/m³Jan 2220 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb20Moderate
Mar23Moderate
Apr29Moderate
May38Poor
Jun30Moderate
Jul25Moderate
Aug22Moderate
Sep25Moderate
Oct22Moderate
Nov22Moderate
Dec23Moderate
Location & terrain

Where is Tehuacán?

Tehuacán sits at 18.5°N, 97.4°W, 1,643 m above sea level, in Mexico. The nearest listed city is Altepexi, 15 km away.

Topography around Tehuacán

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

Within 3 km, the terrain around Tehuacán has significant variations in elevation — a maximum elevation change of 258 m around an average of 1,632 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,750 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,498 m.

The land around Tehuacán is covered by artificial surfaces (77%) within 3 km, shrubs (63%) within 16 km, and shrubs (47%) and trees (31%) within 80 km.

3 km
258 m
16 km
1,750 m
80 km
5,498 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Altepexi 15 km · Ajalpan 17 km · Zinacatepec 21 km · Ciudad Mendoza 44 km · Nogales 47 km · Río Blanco 48 km · Orizaba 53 km · Palmarito Tochapan 55 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 Tehuacán (18.4642°, -97.3974°, elevation 1,643 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).