Técpan de Galeana weather in December

In December, Técpan de Galeana sees average daytime highs of 30°C and overnight lows near 20°C, with 7 mm of rain across 1.3 wet days and about 11 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 67% of the time in December, and the air most often feels muggy.

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 Técpan de Galeana's 5th-clearest and 10th-windiest month. For the whole year in context, see Técpan de Galeana's year-round climate.

Daytime high
30°
9th warmest
Overnight low
20°
3rd coldest
Rainfall
7 mm
1.3 wet days
Daylight
11 hours
7:09 AM – 6:08 PM
Cloud cover
31%
5th clearest
Wind
5 km/h
10th windiest
Solar energy
4.93 kWh/m²
Travel score
6.2
out of 10

Técpan de Galeana is municipal seat of Técpan, State of Guerrero, Mexico.

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 30°C through the month.

A typical December day in Técpan de Galeana reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213020
223020
233020
243020
253020
263020
273020
283020
293020
303020
313020

How December really feels in Técpan de Galeana

Once humidity and wind are folded in, December averages 9 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
9
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Técpan de Galeana weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°111.311.16.1
Feb31° / 20°70.611.45.9
Mar32° / 21°50.411.95.4
Apr33° / 22°10.112.44.7
May33° / 24°315.212.84.0
Jun31° / 24°21518.8133.5
Jul31° / 24°18618.212.93.5
Aug31° / 24°24420.312.63.4
Sep30° / 24°3142412.13.3
Oct30° / 23°21821.411.63.8
Nov30° / 22°407.111.25.4
Dec30° / 20°71.3116.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 67% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18119
28119
38119
48218
58218
68218
78218
88218
98119
108119
118020
128020
137921
147921
157822
167822
177822
187822
197822
207822
217822
227822
237822
247822
257822
267822
277822
287921
297921
307921
317921

Chance of precipitation in December

Any precipitation

Técpan de Galeana gets around 7 mm of rain over 1.3 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 4% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
18
27
36
46
55
65
75
85
94
104
114
124
134
144
154
164
174
184
193
203
214
224
234
244
254
264
274
284
294
304
314

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 55% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
111152351
211154340
321255310
421356290
521457270
621558250
721659230
821759220
921959200
1022059190
1122159180
1222259170
1322359160
1432458150
1532558140
1632657140
1732757130
1832757130
1932857120
2042955120
2143055110
2243154110
2343254100
245325490
255335390
266335380
276345370
287345270
297355260
307365250
318365150

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 7:01 AM to 7:16 AM, and sunset from 6:04 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:016:04
211.07:026:04
311.07:026:04
411.07:036:04
511.07:036:04
611.07:046:05
711.07:046:05
811.07:056:05
911.07:066:06
1011.07:066:06
1111.07:076:06
1211.07:076:06
1311.07:086:07
1411.07:086:07
1511.07:096:08
1611.07:096:08
1711.07:106:08
1811.07:106:09
1911.07:116:09
2011.07:116:10
2111.07:126:10
2211.07:126:11
2311.07:136:11
2411.07:136:12
2511.07:146:12
2611.07:146:13
2711.07:156:13
2811.07:156:14
2911.07:156:14
3011.07:166:15
3111.07:166:15

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.93 kWh/m².

For context, solar energy here swings from a low near 4.81 kWh/m² to a high of 7.34 kWh/m² in April across the year — December's 4.93 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Técpan de Galeana

In seasonPeak

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

Técpan de Galeana sits in the eastern Pacific hurricane zone; the season peaks August–September.

Técpan de Galeana's monsoon runs June–October, when most of the year's rain falls.

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

Is December a good time to visit Técpan de Galeana?

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

6.2
Sightseeing
1st-best month of the year
8.6
Beach & pool
3rd-best month of the year

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

What to pack for Técpan de Galeana in December

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

In December, Técpan de Galeana sees daytime highs around 30°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Técpan de Galeana 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 offshore is warmest in August at about 30°C and coldest in April near 27°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
Feb28Warm
Mar27Warm
Apr27Warm
May29Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov30Tropical
Dec29Tropical

UV index in Técpan de Galeana 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 Técpan de Galeana peaks around March 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 highMar 21UV 12Dec 13UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Técpan de Galeana 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 Técpan de Galeana is worst in May — around 39 µg/m³ PM2.5 (poor), about 7.0× the cleanest month (February, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodMay 1636 µg/m³Feb 136 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb6Good
Mar7Good
Apr17Moderate
May39Poor
Jun12Moderate
Jul14Moderate
Aug10Good
Sep9Good
Oct9Good
Nov7Good
Dec7Good
Location & terrain

Where is Técpan de Galeana?

Técpan de Galeana sits at 17.2°N, 100.6°W, 30 m above sea level, in Mexico. The nearest listed city is Atoyac de Álvarez, 21 km away.

Topography around Técpan de Galeana

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

Within 3 km, the terrain around Técpan de Galeana has significant variations in elevation — a maximum elevation change of 296 m around an average of 64 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,227 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,534 m.

The land around Técpan de Galeana is covered by trees (37%) and grassland (24%) within 3 km, trees (41%) and grassland (26%) within 16 km, and trees (54%) and water (32%) within 80 km.

3 km
296 m
16 km
1,227 m
80 km
3,534 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Atoyac de Álvarez 21 km · Petatlán 76 km · Acapulco 87 km · Zihuatanejo 109 km · Chilpancingo 125 km · Zumpango del Río 127 km · Ciudad Altamirano 127 km · Arcelia 128 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 Técpan de Galeana (17.2198°, -100.6303°, elevation 30 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).