Heroica Ciudad de Tlaxiaco weather in December

In December, Heroica Ciudad de Tlaxiaco sees average daytime highs of 22°C and overnight lows near 8°C, with 10 mm of rain across 2.4 wet days and about 11 hours of daylight. It is the 11th-warmest and 11th-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 61% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of December to 11 hours by month's end. Set against the rest of the year, December is Heroica Ciudad de Tlaxiaco's 4th-clearest and 5th-windiest month. For the whole year in context, see Heroica Ciudad de Tlaxiaco's year-round climate.

Daytime high
22°
11th warmest
Overnight low
2nd coldest
Rainfall
10 mm
2.4 wet days
Daylight
11 hours
6:58 AM – 5:56 PM
Cloud cover
35%
4th clearest
Wind
5 km/h
5th windiest
Solar energy
5.13 kWh/m²
Travel score
8.3
out of 10

Heroica Ciudad de Tlaxiaco is municipal seat of Tlaxiaco, State of Oaxaca, Mexico.

Density
51/km²
people per km²
Founded
~400 BCE

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 Heroica Ciudad de Tlaxiaco reaches about 22°C in the afternoon and slips back to 8°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1228
2228
3228
4228
5228
6228
7228
8228
9228
10228
11228
12228
13228
14228
15228
16228
17228
18228
19228
20228
21228
22228
23228
24228
25228
26228
27228
28228
29228
30228
31228

Heroica Ciudad de Tlaxiaco weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 92.211.18.3
Feb23° / 101.911.48.7
Mar25° / 10°235.611.98.2
Apr25° / 12°449.212.47.2
May24° / 13°14320.712.85.3
Jun23° / 13°30227.4133.9
Jul23° / 12°27127.512.93.9
Aug23° / 12°29528.412.63.8
Sep22° / 13°3092812.13.7
Oct22° / 11°14218.711.65.3
Nov22° / 326.211.27.5
Dec22° / 102.4118.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% 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 20%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28317
38317
48317
58416
68416
78416
88317
98317
108218
118119
128119
138020
147921
157921
167822
177723
187723
197723
207723
217723
227723
237822
247822
257822
267921
277921
287921
298020
308020
318119

Chance of precipitation in December

Any precipitation

Heroica Ciudad de Tlaxiaco gets around 10 mm of rain over 2.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 8% and peaks near 10% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
28
38
47
57
66
76
86
96
106
116
126
136
146
156
167
177
187
198
208
219
229
239
2410
2510
2610
2710
2810
2910
3010
3110

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1964
2964
3973
4973
5973
6982
7982
8982
9982
10991
11991
12991
13991
14991
15991
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 6:49 AM to 7:04 AM, and sunset from 5:52 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:495:52
211.06:505:52
311.06:505:52
411.06:515:52
511.06:525:53
611.06:525:53
711.06:535:53
811.06:535:53
911.06:545:54
1011.06:545:54
1111.06:555:54
1211.06:565:55
1311.06:565:55
1411.06:575:55
1511.06:575:56
1611.06:585:56
1711.06:585:56
1811.06:595:57
1911.06:595:57
2011.07:005:58
2111.07:005:58
2211.07:015:59
2311.07:015:59
2411.07:026:00
2511.07:026:00
2611.07:026:01
2711.07:036:01
2811.07:036:02
2911.07:046:02
3011.07:046:03
3111.07:046:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.13 kWh/m².

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 6.96 kWh/m² in April across the year — December's 5.13 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in December

Hazard calendar for Heroica Ciudad de Tlaxiaco

In seasonPeak

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

Heroica Ciudad de Tlaxiaco's monsoon runs May–October, when most of the year's rain falls.

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

Is December a good time to visit Heroica Ciudad de Tlaxiaco?

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
5.9
Beach & pool
4th-best month of the year

December is one of the better times to visit Heroica Ciudad de Tlaxiaco for general sightseeing.

What to pack for Heroica Ciudad de Tlaxiaco in December

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

In December, Heroica Ciudad de Tlaxiaco sees daytime highs around 22°C and nights near 8°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Heroica Ciudad de Tlaxiaco in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Heroica Ciudad de Tlaxiaco peaks around April 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 11UV 15Dec 15UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar14Extreme
Apr15Extreme
May11Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Heroica Ciudad de Tlaxiaco 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 Heroica Ciudad de Tlaxiaco is worst in May — around 24 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (January, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1324 µg/m³Jan 219 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar12Moderate
Apr21Moderate
May24Moderate
Jun15Moderate
Jul16Moderate
Aug13Moderate
Sep13Moderate
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Heroica Ciudad de Tlaxiaco?

Heroica Ciudad de Tlaxiaco sits at 17.3°N, 97.7°W, 2,082 m above sea level, in Mexico. The nearest listed city is Ciudad de Huajuapan de León, 61 km away.

Topography around Heroica Ciudad de Tlaxiaco

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

Within 3 km, the terrain around Heroica Ciudad de Tlaxiaco has significant variations in elevation — a maximum elevation change of 351 m around an average of 2,116 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,626 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,211 m.

The land around Heroica Ciudad de Tlaxiaco is covered by grassland (39%), trees (28%) and artificial surfaces (22%) within 3 km, trees (65%) and grassland (28%) within 16 km, and trees (62%) and grassland (20%) within 80 km.

3 km
351 m
16 km
1,626 m
80 km
3,211 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Ciudad de Huajuapan de León 61 km · Santa María Atzompa 98 km · Tlapa de Comonfort 100 km · Ometepec 101 km · Santa Cruz Xoxocotlán 104 km · Oaxaca 104 km · San Antonio de la Cal 107 km · Pinotepa Nacional 111 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 Heroica Ciudad de Tlaxiaco (17.2687°, -97.6803°, elevation 2,082 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).