Ciudad Altamirano weather in December

In December, Ciudad Altamirano sees average daytime highs of 33°C and overnight lows near 19°C, with 7 mm of rain across 1 wet days and about 10.9 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 66% of the time in December, and the air most often feels dry.

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 Ciudad Altamirano's 5th-clearest and 7th-windiest month. For the whole year in context, see Ciudad Altamirano's year-round climate.

Daytime high
33°
9th warmest
Overnight low
19°
2nd coldest
Rainfall
7 mm
1 wet days
Daylight
10 h 54 min
7:12 AM – 6:06 PM
Cloud cover
31%
5th clearest
Wind
4 km/h
7th windiest
Solar energy
4.95 kWh/m²
Travel score
4.4
out of 10

Ciudad Altamirano is municipal seat of Pungarabato, 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 33°C through the month.

A typical December day in Ciudad Altamirano reaches about 33°C in the afternoon and slips back to 19°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13420
23420
33420
43420
53420
63420
73420
83419
93419
103319
113319
123319
133319
143319
153319
163319
173319
183319
193319
203319
213319
223319
233319
243319
253319
263319
273319
283319
293319
303319
313319

How December really feels in Ciudad Altamirano

Once humidity and wind are folded in, December averages 31 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
31
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.

Ciudad Altamirano 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
Jan33° / 19°141.3114.5
Feb35° / 20°90.911.43.3
Mar37° / 21°60.611.91.9
Apr39° / 23°00.212.40.5
May39° / 25°132.812.90.4
Jun36° / 25°13415.313.11.7
Jul34° / 24°13517.4132.4
Aug34° / 24°13917.812.62.4
Sep33° / 24°17220.512.12.7
Oct33° / 23°8711.211.63.3
Nov34° / 21°172.411.13.8
Dec33° / 19°7110.94.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% 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 (%)
18317
28416
38416
48416
58416
68416
78317
88317
98317
108119
118119
128119
137921
147921
157822
167822
177822
187723
197723
207624
217525
227525
237525
247525
257525
267525
277525
287525
297525
307624
317723

Chance of precipitation in December

Any precipitation

Ciudad Altamirano gets around 7 mm of rain over 1 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 3% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
42
52
62
72
82
93
103
113
123
133
143
154
164
174
184
194
204
214
224
234
244
254
264
273
283
293
303
313

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13236267
23336246
33437236
43537226
53638215
63838205
73938195
83938185
94038184
104138174
114238174
124237164
134337164
144337154
154437154
164437154
174437154
184438144
194438144
204438144
214538143
224538143
234539133
244539133
254639132
264639132
274739122
284838121
294938121
305037121
315136121

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 7:03 AM to 7:18 AM, and sunset from 6:02 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:036:02
211.07:046:02
311.07:046:02
411.07:056:02
510.97:066:02
610.97:066:03
710.97:076:03
810.97:076:03
910.97:086:04
1010.97:086:04
1110.97:096:04
1210.97:106:04
1310.97:106:05
1410.97:116:05
1510.97:116:06
1610.97:126:06
1710.97:126:06
1810.97:136:07
1910.97:136:07
2010.97:146:08
2110.97:146:08
2210.97:156:09
2310.97:156:09
2410.97:166:10
2510.97:166:10
2610.97:176:11
2710.97:176:11
2810.97:176:12
2910.97:186:12
3010.97:186:13
3110.97:186:13

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.95 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.95 kWh/m² to a high of 7.47 kWh/m² in April across the year — December's 4.95 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
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
264.9Bright
274.9Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Ciudad Altamirano

In seasonPeak

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

Ciudad Altamirano's rainy season runs June–October, when most of the year's rain falls.

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

Is December a good time to visit Ciudad Altamirano?

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

4.4
Sightseeing
2nd-best month of the year
7.9
Beach & pool
2nd-best month of the year

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

What to pack for Ciudad Altamirano in December

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

In December, Ciudad Altamirano sees daytime highs around 33°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Ciudad Altamirano 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 Ciudad Altamirano peaks around March 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 highHighMar 23UV 12Dec 14UV 7
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr12Extreme
May10Extreme
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Extreme
Oct9Very high
Nov7Very high
Dec7High

Air quality in Ciudad Altamirano 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 Ciudad Altamirano is worst in May — around 42 µg/m³ PM2.5 (poor), about 4.5× the cleanest month (February, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateMay 1540 µg/m³Feb 1810 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb9Good
Mar11Good
Apr26Moderate
May42Poor
Jun15Moderate
Jul14Moderate
Aug13Moderate
Sep14Moderate
Oct17Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Ciudad Altamirano?

Ciudad Altamirano sits at 18.4°N, 100.7°W, 250 m above sea level, in Mexico. The nearest listed city is Huetamo de Núñez, 38 km away.

Topography around Ciudad Altamirano

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

Within 3 km, the terrain around Ciudad Altamirano has significant variations in elevation — a maximum elevation change of 271 m around an average of 250 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,198 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,692 m.

The land around Ciudad Altamirano is covered by cropland (35%), trees (20%) and artificial surfaces (20%) within 3 km, trees (34%), shrubs (27%) and cropland (24%) within 16 km, and trees (56%) and shrubs (28%) within 80 km.

3 km
271 m
16 km
1,198 m
80 km
2,692 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Huetamo de Núñez 38 km · Arcelia 41 km · Tejupilco de Hidalgo 82 km · Teloloapan 84 km · Tuzantla 95 km · Valle de Bravo 109 km · Petatlán 111 km · Taxco de Alarcón 114 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 Ciudad Altamirano (18.3582°, -100.6697°, elevation 250 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. 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).