Tehuacán weather in December

In December, Tehuacán sees average daytime highs of 22°C and overnight lows near 8°C, with 6 mm of rain across 1.3 wet days and about 10.9 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 55% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Tehuacán's 4th-clearest and 7th-windiest month. For the whole year in context, see Tehuacán's year-round climate.

Daytime high
22°
11th warmest
Overnight low
2nd coldest
Rainfall
6 mm
1.3 wet days
Daylight
10 h 54 min
6:59 AM – 5:53 PM
Cloud cover
38%
4th clearest
Wind
9 km/h
7th windiest
Solar energy
4.88 kWh/m²
Travel score
8.3
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 December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical December day in Tehuacán reaches about 22°C in the afternoon and slips back to 8°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 25°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1229
2229
3229
4229
5229
6229
7229
8229
9229
10229
11229
12229
13228
14228
15228
16228
17228
18228
19228
20218
21218
22218
23218
24218
25218
26218
27218
28218
29218
30218
31218

Tehuacán weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 12th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37822
47822
57822
67822
77822
87822
97822
107624
117624
127525
137327
147327
157327
167228
177228
187228
197129
207129
217129
227030
237030
247030
257030
267129
277129
287129
297129
307228
317228

Chance of precipitation in December

Any precipitation

Tehuacán gets around 6 mm of rain over 1.3 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 4% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
34
44
54
63
73
83
93
103
113
123
133
143
153
163
173
184
194
204
214
225
235
245
255
266
276
286
296
306
316

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 hours at the start of December to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:50 AM to 7:06 AM, and sunset from 5:48 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:505:48
211.06:515:49
311.06:515:49
410.96:525:49
510.96:535:49
610.96:535:49
710.96:545:50
810.96:545:50
910.96:555:50
1010.96:565:51
1110.96:565:51
1210.96:575:51
1310.96:575:52
1410.96:585:52
1510.96:585:52
1610.96:595:53
1710.96:595:53
1810.97:005:53
1910.97:005:54
2010.97:015:54
2110.97:015:55
2210.97:025:55
2310.97:025:56
2410.97:035:56
2510.97:035:57
2610.97:045:57
2710.97:045:58
2810.97:045:58
2910.97:055:59
3010.97:055:59
3110.97:066:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.88 kWh/m² — the year's lowest.

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 — December's 4.88 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Tehuacán

In seasonPeak

None of Tehuacán's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 December a good time to visit Tehuacán?

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

8.3
Sightseeing
2nd-best month of the year
5.5
Beach & pool
9th-best month of the year

December is one of the better times to visit Tehuacán for general sightseeing.

What to pack for Tehuacán in December

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

In December, Tehuacán sees daytime highs around 22°C and nights near 8°C. Worth packing: sun protection.

sun protection

UV index in Tehuacán in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 — enough to warrant sun protection. 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 December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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
December 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).