San Andrés Tuxtla weather in December

In December, San Andrés Tuxtla sees average daytime highs of 25°C and overnight lows near 20°C, with 123 mm of rain across 15.4 wet days and about 10.9 hours of daylight. It is the 11th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 31% of the time in December, and the air most often feels muggy.

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 San Andrés Tuxtla's 6th-clearest and 4th-windiest month. For the whole year in context, see San Andrés Tuxtla's year-round climate.

Daytime high
25°
11th warmest
Overnight low
20°
3rd coldest
Rainfall
123 mm
15.4 wet days
Daylight
10 h 54 min
6:50 AM – 5:44 PM
Cloud cover
59%
6th clearest
Wind
12 km/h
4th windiest
Solar energy
3.57 kWh/m²
Travel score
6.1
out of 10

San Andrés Tuxtla is municipal seat of San Andrés Tuxtla, State of Veracruz, Mexico.

Founded
1530

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 25°C through the month.

A typical December day in San Andrés Tuxtla reaches about 25°C in the afternoon and slips back to 20°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12520
22520
32520
42520
52520
62520
72520
82520
92520
102520
112520
122520
132520
142520
152520
162520
172520
182520
192520
202420
212419
222419
232419
242419
252419
262419
272419
282419
292419
302419
312419

How December really feels in San Andrés Tuxtla

Once humidity and wind are folded in, December 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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

San Andrés Tuxtla weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 19°11714.3116.4
Feb25° / 19°709.711.46.9
Mar28° / 21°467.611.96.8
Apr30° / 23°396.812.45.6
May31° / 25°8010.812.94.6
Jun30° / 25°24823.113.13.4
Jul29° / 24°26726.3133.3
Aug29° / 24°31327.512.63.2
Sep29° / 24°39026.212.13.3
Oct28° / 23°32721.811.64.6
Nov26° / 21°20217.311.15.5
Dec25° / 20°12315.410.96.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25545
35545
45545
55545
65644
75545
85545
95545
105446
115347
125347
135248
145149
155149
165050
174951
184852
194753
204753
214654
224555
234555
244555
254456
264456
274555
284456
294456
304456
314456

Chance of precipitation in December

Any precipitation

San Andrés Tuxtla gets around 123 mm of rain over 15.4 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 50% and peaks near 53% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
153
253
353
453
553
652
752
851
951
1050
1150
1249
1349
1448
1548
1647
1747
1847
1947
2048
2148
2248
2349
2449
2550
2650
2750
2851
2951
3051
3150

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 70% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
113174831
213174831
313184830
413184830
513184829
613194829
714194828
814204828
915204827
1015204726
1116204726
1216214725
1317214724
1417214724
1517224723
1618224722
1718234721
1818234721
1918244720
2019244819
2119244818
2219254818
2318254917
2408254917
2508265016
2608265016
2718275015
2818275015
2918284914
3018284914
3118284913

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

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 6:41 AM to 6:57 AM, and sunset from 5:40 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:415:40
211.06:425:40
311.06:435:40
411.06:435:40
510.96:445:40
610.96:445:41
710.96:455:41
810.96:465:41
910.96:465:42
1010.96:475:42
1110.96:475:42
1210.96:485:42
1310.96:485:43
1410.96:495:43
1510.96:505:44
1610.96:505:44
1710.96:515:44
1810.96:515:45
1910.96:525:45
2010.96:525:46
2110.96:535:46
2210.96:535:47
2310.96:545:47
2410.96:545:48
2510.96:545:48
2610.96:555:49
2710.96:555:49
2810.96:565:50
2910.96:565:50
3010.96:565:51
3110.96:575:51

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.57 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.57 kWh/m² to a high of 6.66 kWh/m² in May across the year — December's 3.57 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.6Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in December

Hazard calendar for San Andrés Tuxtla

In seasonPeak

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

San Andrés Tuxtla sits in the Atlantic hurricane belt; the season peaks August–October.

San Andrés Tuxtla's rainy season runs June–November, when most of the year's rain falls.

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

Is December a good time to visit San Andrés Tuxtla?

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

6.1
Sightseeing
4th-best month of the year
5.4
Beach & pool
6th-best month of the year

December is a reasonable time to visit San Andrés Tuxtla for sightseeing.

What to pack for San Andrés Tuxtla in December

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

In December, San Andrés Tuxtla sees daytime highs around 25°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

Sea temperature near San Andrés Tuxtla in December

The nearest coast averages about 25°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 km away) is warmest in August at about 29°C and coldest in February near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Refreshing
Mar24Warm
Apr26Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov27Warm
Dec25Warm

UV index in San Andrés Tuxtla in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Andrés Tuxtla peaks around August 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 13Dec 20UV 7
UV index (midday)Level
Jan7Very high
Feb10Extreme
Mar11Extreme
Apr13Extreme
May10Very high
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in San Andrés Tuxtla 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 San Andrés Tuxtla is worst in July — around 30 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (January, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1529 µg/m³Jan 1711 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar14Moderate
Apr21Moderate
May29Moderate
Jun25Moderate
Jul30Moderate
Aug22Moderate
Sep17Moderate
Oct12Good
Nov11Good
Dec12Moderate
Location & terrain

Where is San Andrés Tuxtla?

San Andrés Tuxtla sits at 18.4°N, 95.2°W, 304 m above sea level, in Mexico. The nearest listed city is Santiago Tuxtla, 9.0 km away.

Topography around San Andrés Tuxtla

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

Within 3 km, the terrain around San Andrés Tuxtla has significant variations in elevation — a maximum elevation change of 455 m around an average of 344 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,646 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,657 m.

The land around San Andrés Tuxtla is covered by trees (61%) and grassland (20%) within 3 km, trees (55%) and grassland (37%) within 16 km, and grassland (34%), water (32%) and trees (22%) within 80 km.

3 km
455 m
16 km
1,646 m
80 km
1,657 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Santiago Tuxtla 9.0 km · Catemaco 11 km · Lerdo de Tejada 38 km · Tlacotalpan 50 km · Isla 57 km · Carlos A. Carrillo 58 km · Cosamaloapan 62 km · Acayucan 64 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 San Andrés Tuxtla (18.4487°, -95.2133°, elevation 304 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).