Agua Dulce weather in December

In December, Agua Dulce sees average daytime highs of 25°C and overnight lows near 22°C, with 110 mm of rain across 14.8 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 38% of the time in December, and the air most often feels oppressive.

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 Agua Dulce's 5th-clearest and 2nd-windiest month. For the whole year in context, see Agua Dulce's year-round climate.

Daytime high
25°
11th warmest
Overnight low
22°
3rd coldest
Rainfall
110 mm
14.8 wet days
Daylight
10 h 54 min
6:45 AM – 5:40 PM
Cloud cover
53%
5th clearest
Wind
16 km/h
2nd windiest
Solar energy
3.66 kWh/m²
Travel score
6.2
out of 10

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 Agua Dulce reaches about 25°C in the afternoon and slips back to 22°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, December runs about 1°C cooler than November and about 1°C warmer than January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12623
22623
32623
42623
52623
62623
72622
82622
92622
102622
112622
122622
132622
142522
152522
162522
172522
182522
192522
202522
212522
222522
232522
242522
252522
262522
272522
282522
292522
302522
312522

How December really feels in Agua Dulce

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.

Agua Dulce 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
Jan25° / 21°9812.7116.6
Feb26° / 22°517.911.47.2
Mar27° / 23°315.911.97.3
Apr30° / 25°305.312.46.1
May30° / 26°7310.712.84.9
Jun30° / 26°23422.513.13.5
Jul30° / 26°24225133.4
Aug29° / 26°30026.912.63.2
Sep29° / 25°36127.112.13.2
Oct28° / 25°29822.211.64.4
Nov27° / 23°18516.611.15.6
Dec25° / 22°11014.810.96.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36436
46436
56535
66535
76535
86535
96436
106436
116436
126337
136238
146139
156139
166040
175941
185842
195842
205644
215644
225644
235545
245545
255545
265446
275446
285446
295446
305446
315446

Chance of precipitation in December

Any precipitation

Agua Dulce gets around 110 mm of rain over 14.8 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 48% and peaks near 49% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
149
249
349
449
549
649
748
848
948
1048
1148
1248
1347
1447
1547
1647
1747
1847
1947
2047
2147
2247
2347
2448
2548
2648
2749
2849
2949
3049
3149

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11831573
21831573
31831573
41831582
52831572
62831572
72931562
82932552
92932552
103932551
1131032541
1231032541
1331033531
1431133521
1531133521
1641133511
1741234501
1841234491
1941235481
2041236471
2141237471
2241237460
2341238450
2431339450
2531339450
2631339440
2731439440
2831439430
2931539430
3031539420
3131639420

Wind in December

Winds average 16 km/h in December.

Across December, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

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 6:37 AM to 6:52 AM, and sunset from 5:36 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:375:36
211.06:375:36
311.06:385:36
411.06:385:37
511.06:395:37
611.06:405:37
711.06:405:37
810.96:415:38
910.96:415:38
1010.96:425:38
1110.96:425:38
1210.96:435:39
1310.96:445:39
1410.96:445:40
1510.96:455:40
1610.96:455:40
1710.96:465:41
1810.96:465:41
1910.96:475:42
2010.96:475:42
2110.96:485:42
2210.96:485:43
2310.96:495:43
2410.96:495:44
2510.96:505:44
2610.96:505:45
2710.96:505:45
2810.96:515:46
2910.96:515:46
3010.96:525:47
3110.96:525:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.66 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.66 kWh/m² to a high of 6.66 kWh/m² in May across the year — December's 3.66 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in December

Hazard calendar for Agua Dulce

In seasonPeak

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

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

Agua Dulce'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 Agua Dulce?

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

6.2
Sightseeing
4th-best month of the year
5.7
Beach & pool
6th-best month of the year

December is a reasonable time to visit Agua Dulce for sightseeing.

What to pack for Agua Dulce in December

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

In December, Agua Dulce sees daytime highs around 25°C and nights near 22°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

Sea temperature near Agua Dulce 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 24 km away) is warmest in September 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
Jan24Warm
Feb24Warm
Mar25Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov27Warm
Dec25Warm

UV index in Agua Dulce 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 Agua Dulce peaks around August 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highExtremeExtremeVery highAug 16UV 12Dec 21UV 7
UV index (midday)Level
Jan7Very high
Feb10Extreme
Mar12Extreme
Apr13Extreme
May8Very high
Jun13Extreme
Jul11Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Agua Dulce 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 Agua Dulce is worst in May — around 43 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (January, 16 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1842 µg/m³Jan 1816 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar22Moderate
Apr31Moderate
May43Poor
Jun34Moderate
Jul36Poor
Aug29Moderate
Sep25Moderate
Oct18Moderate
Nov17Moderate
Dec18Moderate
Location & terrain

Where is Agua Dulce?

Agua Dulce sits at 18.1°N, 94.1°W, 21 m above sea level, in Mexico. The nearest listed city is Las Choapas, 26 km away.

Topography around Agua Dulce

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

Within 3 km, the terrain around Agua Dulce has only modest variations in elevation — a maximum elevation change of 39 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 153 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,652 m.

The land around Agua Dulce is covered by trees (57%) and grassland (25%) within 3 km, trees (33%), grassland (24%) and water (23%) within 16 km, and grassland (35%), water (30%) and trees (24%) within 80 km.

3 km
39 m
16 km
153 m
80 km
1,652 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Las Choapas 26 km · Allende 26 km · Nanchital de Lázaro Cárdenas del Río 29 km · Coatzacoalcos 32 km · Fraccionamiento Ciudad Olmeca 43 km · Minatitlán 46 km · Cosoleacaque 54 km · Jáltipan de Morelos 63 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 Agua Dulce (18.1391°, -94.1453°, elevation 21 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).