Tapachula weather in December

In December, Tapachula sees average daytime highs of 28°C and overnight lows near 17°C, with 44 mm of rain across 9.4 wet days and about 11.1 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 71% of the time in December, and the air most often feels humid.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is Tapachula's 3rd-clearest and 4th-windiest month. For the whole year in context, see Tapachula's year-round climate.

Daytime high
28°
9th warmest
Overnight low
17°
2nd coldest
Rainfall
44 mm
9.4 wet days
Daylight
11 h 06 min
6:32 AM – 5:39 PM
Cloud cover
31%
3rd clearest
Wind
5 km/h
4th windiest
Solar energy
5.05 kWh/m²
Travel score
6.5
out of 10

Tapachula is municipal seat of Tapachula, State of Chiapas, Mexico.

Founded
1486

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 28°C through the month.

A typical December day in Tapachula 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 27°C and 30°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72818
82817
92817
102817
112817
122817
132817
142817
152817
162817
172817
182817
192817
202817
212817
222817
232817
242817
252817
262817
272817
282817
292817
302817
312817

Tapachula weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°184.511.26.9
Feb30° / 18°154.311.56.3
Mar30° / 19°429.211.95.3
Apr30° / 20°11916.812.34.3
May29° / 20°41427.812.73.3
Jun28° / 20°54829.112.93.0
Jul28° / 19°50630.712.82.9
Aug28° / 20°57130.612.53.0
Sep28° / 20°69729.512.13.2
Oct28° / 20°61729.911.73.4
Nov28° / 18°24521.411.34.8
Dec28° / 17°449.411.16.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 71% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 13%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28317
38515
48515
58614
68614
78812
88812
98812
108812
118812
128812
138812
148713
158713
168713
178713
188713
198812
208812
218812
228812
238812
248812
258812
268812
278812
288812
298812
308812
319010

Chance of precipitation in December

Any precipitation

Tapachula gets around 44 mm of rain over 9.4 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 31% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
245
344
442
540
639
738
836
935
1034
1133
1233
1332
1431
1531
1630
1730
1829
1928
2028
2127
2226
2325
2424
2523
2623
2722
2821
2920
3020
3119

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 39% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10331651
20333631
30335611
40336601
50438580
60440560
70442540
80444520
90446491
100548471
110550451
120551431
130553411
140653401
150654391
160656371
170657361
180758341
190759331
200761311
210861301
220863281
230865270
240966250
250967240
2601067230
2711068210
2811168200
2911169190
3011269180
3111369170

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 h 12 min at the start of December to 11 h 06 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 6:23 AM to 6:38 AM, and sunset from 5:34 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:235:34
211.26:245:34
311.26:255:35
411.26:255:35
511.26:265:35
611.26:265:35
711.16:275:36
811.16:275:36
911.16:285:36
1011.16:285:37
1111.16:295:37
1211.16:295:37
1311.16:305:38
1411.16:315:38
1511.16:315:38
1611.16:325:39
1711.16:325:39
1811.16:335:40
1911.16:335:40
2011.16:345:41
2111.16:345:41
2211.16:355:41
2311.16:355:42
2411.16:355:42
2511.16:365:43
2611.16:365:43
2711.16:375:44
2811.16:375:44
2911.16:385:45
3011.16:385:46
3111.16:385:46

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.05 kWh/m².

For context, solar energy here swings from a low near 4.58 kWh/m² to a high of 6.16 kWh/m² in April across the year — December's 5.05 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.2Bright
315.2Bright
Planning a trip in December

Hazard calendar for Tapachula

In seasonPeak

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

Tapachula sits in the Atlantic hurricane belt; the season peaks August–October.

Tapachula's monsoon runs May–October, when most of the year's rain falls.

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

Is December a good time to visit Tapachula?

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

6.5
Sightseeing
2nd-best month of the year
7.4
Beach & pool
3rd-best month of the year

December is a reasonable time to visit Tapachula for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Tapachula in December

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

In December, Tapachula sees daytime highs around 28°C and nights near 17°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Tapachula in December

The nearest coast averages about 29°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 34 km away) is warmest in August at about 30°C and coldest in February near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Tapachula 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 Tapachula peaks around June 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 highExtremeVery highJun 17UV 12Dec 17UV 8
UV index (midday)Level
Jan8Very high
Feb12Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Tapachula 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 Tapachula is worst in May — around 40 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1039 µg/m³Feb 827 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb27Moderate
Mar34Moderate
Apr38Poor
May40Poor
Jun29Moderate
Jul31Moderate
Aug30Moderate
Sep31Moderate
Oct29Moderate
Nov30Moderate
Dec29Moderate
Location & terrain

Where is Tapachula?

Tapachula sits at 14.9°N, 92.3°W, 165 m above sea level, in Mexico. The nearest listed city is Cacahoatán, 14 km away.

Topography around Tapachula

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

Within 3 km, the terrain around Tapachula has only modest variations in elevation — a maximum elevation change of 154 m around an average of 165 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 620 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,178 m.

The land around Tapachula is covered by artificial surfaces (56%) and trees (35%) within 3 km, trees (64%) and grassland (21%) within 16 km, and trees (55%) and water (24%) within 80 km.

3 km
154 m
16 km
620 m
80 km
4,178 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Cacahoatán 14 km · Malacatán 22 km · Huixtla 34 km · Coatepeque 48 km · San Marcos 50 km · Motozintla 51 km · San Pedro Sacatepéquez 54 km · Comitancillo 58 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 Tapachula (14.9054°, -92.2589°, elevation 165 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).