La Isla weather in December

In December, La Isla sees average daytime highs of 27°C and overnight lows near 19°C, with 37 mm of rain across 7.2 wet days and about 10.9 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 35% 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 La Isla's 5th-clearest and 7th-windiest month. For the whole year in context, see La Isla's year-round climate.

Daytime high
27°
11th warmest
Overnight low
19°
2nd coldest
Rainfall
37 mm
7.2 wet days
Daylight
10 h 54 min
6:54 AM – 5:47 PM
Cloud cover
54%
5th clearest
Wind
5 km/h
7th windiest
Solar energy
3.5 kWh/m²
Travel score
7.0
out of 10

La Isla is bad geoname 3525596.

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 27°C through the month.

A typical December day in La Isla reaches about 27°C in the afternoon and slips back to 19°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12820
22720
32720
42720
52720
62720
72720
82720
92720
102720
112720
122720
132719
142719
152719
162719
172719
182719
192719
202719
212719
222619
232619
242619
252619
262619
272619
282619
292619
302619
312619

How December really feels in La Isla

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.

La Isla weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 19°356.7117.2
Feb28° / 20°254.911.46.8
Mar31° / 21°25511.95.3
Apr33° / 24°40612.43.7
May34° / 25°9412.512.92.8
Jun33° / 25°31924.113.12.3
Jul32° / 24°33525.9132.5
Aug32° / 24°32926.812.62.4
Sep32° / 24°36526.112.12.6
Oct30° / 23°21318.611.63.8
Nov28° / 21°8711.711.15.7
Dec27° / 19°377.210.97.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35941
45941
55941
65842
75842
85842
95842
105743
115743
125644
135644
145545
155446
165347
175248
185248
195149
205050
215050
225050
235050
244951
254951
264951
274951
284951
294951
304951
315050

Chance of precipitation in December

Any precipitation

La Isla gets around 37 mm of rain over 7.2 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 23% and peaks near 29% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
328
428
527
627
726
825
925
1024
1124
1223
1323
1423
1522
1622
1722
1822
1922
2022
2122
2222
2322
2422
2522
2621
2721
2821
2921
3021
3120

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 63% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
127184429
227184429
327194428
427194428
527204328
627204327
727204327
828214327
928214226
1038214226
1138224225
1239224125
1339234124
1449234123
1549244123
1649254022
1749264021
1849274020
1949284019
2049284018
2149294018
2249294117
2349294116
2449304215
2549304315
2649304314
27410304314
28410304313
29411294313
30411294313
31412294312

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 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 6:45 AM to 7:01 AM, and sunset from 5:43 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:455:43
211.06:465:43
310.96:475:44
410.96:475:44
510.96:485:44
610.96:485:44
710.96:495:44
810.96:505:45
910.96:505:45
1010.96:515:45
1110.96:515:46
1210.96:525:46
1310.96:525:46
1410.96:535:47
1510.96:545:47
1610.96:545:47
1710.96:555:48
1810.96:555:48
1910.96:565:49
2010.96:565:49
2110.96:575:50
2210.96:575:50
2310.96:585:50
2410.96:585:51
2510.96:585:51
2610.96:595:52
2710.96:595:52
2810.97:005:53
2910.97:005:54
3010.97:015:54
3110.97:015:55

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.5 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.5 kWh/m² to a high of 6.27 kWh/m² in May across the year — December's 3.5 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.4Moderate
283.4Moderate
293.4Moderate
303.4Moderate
313.4Moderate
Planning a trip in December

Hazard calendar for La Isla

In seasonPeak

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

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

La Isla's monsoon runs June–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 La Isla?

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

7.0
Sightseeing
2nd-best month of the year
7.0
Beach & pool
3rd-best month of the year

December is one of the better times to visit La Isla for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for La Isla in December

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

In December, La Isla sees daytime highs around 27°C and nights near 19°C. Worth packing: light clothes. About 7 days see rain.

light clothes

Sea temperature near La Isla 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 42 km away) is warmest in August at about 29°C and coldest in February near 23°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
Jan23Refreshing
Feb23Refreshing
Mar24Warm
Apr26Warm
May27Warm
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov27Warm
Dec25Warm

UV index in La Isla 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 La Isla peaks around August 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highHighAug 17UV 13Dec 17UV 7
UV index (midday)Level
Jan7Very high
Feb10Extreme
Mar10Extreme
Apr13Extreme
May8Very high
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov7Very high
Dec7High

Air quality in La Isla 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 La Isla is worst in May — around 40 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (November, 15 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1639 µg/m³Nov 1215 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar22Moderate
Apr30Moderate
May40Poor
Jun29Moderate
Jul32Moderate
Aug24Moderate
Sep20Moderate
Oct16Moderate
Nov15Moderate
Dec17Moderate
Location & terrain

Where is La Isla?

La Isla sits at 18.6°N, 96.2°W, 23 m above sea level, in Mexico. The nearest listed city is Tierra Blanca, 28 km away.

Topography around La Isla

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

Within 3 km, the terrain around La Isla has only modest variations in elevation — a maximum elevation change of 25 m around an average of 18 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 72 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,176 m.

The land around La Isla is covered by grassland (53%) and trees (30%) within 3 km, grassland (54%) and trees (23%) within 16 km, and trees (32%) and grassland (27%) within 80 km.

3 km
25 m
16 km
72 m
80 km
2,176 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Tierra Blanca 28 km · Tres Valles 40 km · Alvarado 45 km · Cosamaloapan 45 km · Carlos A. Carrillo 49 km · Tlacotalpan 52 km · Tuxtepec 57 km · Loma Bonita 62 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 La Isla (18.6°, -96.15°, elevation 23 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).