Atlacomulco de Fabela weather in December

In December, Atlacomulco de Fabela sees average daytime highs of 19°C and overnight lows near 4°C, with 9 mm of rain across 2.1 wet days and about 10.8 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 53% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of December to 10 h 48 min by month's end. Set against the rest of the year, December is Atlacomulco de Fabela's 3rd-clearest and 7th-windiest month. For the whole year in context, see Atlacomulco de Fabela's year-round climate.

Daytime high
19°
11th warmest
Overnight low
2nd coldest
Rainfall
9 mm
2.1 wet days
Daylight
10 h 48 min
7:11 AM – 6:00 PM
Cloud cover
39%
3rd clearest
Wind
7 km/h
7th windiest
Solar energy
4.95 kWh/m²
Travel score
7.5
out of 10

Atlacomulco de Fabela is municipal seat of Atlacomulco, State of México, 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 19°C through the month.

A typical December day in Atlacomulco de Fabela reaches about 19°C in the afternoon and slips back to 4°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 21°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1195
2195
3195
4195
5195
6195
7195
8195
9195
10195
11195
12195
13195
14195
15194
16194
17194
18194
19194
20184
21184
22184
23184
24184
25184
26184
27184
28184
29184
30184
31184

Atlacomulco de Fabela weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 193.610.97.2
Feb20° / 183.811.37.7
Mar22° / 184.411.98.0
Apr24° / 316.412.47.7
May24° / 10°8112.212.96.8
Jun22° / 11°18717.713.25.3
Jul21° / 10°23723.213.14.5
Aug21° / 10°21921.912.74.5
Sep20° / 10°19019.612.14.8
Oct20° / 8111.111.56.1
Nov19° / 285.111.17.2
Dec19° / 92.110.87.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% 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 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37822
47723
57723
67624
77624
87525
97426
107426
117327
127228
137129
147030
157030
167030
176931
186931
196832
206832
216832
226832
236733
246733
256733
266733
276733
286832
296832
306832
316931

Chance of precipitation in December

Any precipitation

Atlacomulco de Fabela gets around 9 mm of rain over 2.1 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
28
38
47
57
67
77
86
96
106
116
126
136
146
156
167
177
187
197
207
217
228
238
248
258
268
279
289
299
309
319

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 54 min at the start of December to 10 h 48 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 5:56 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:035:56
210.97:035:56
310.97:045:56
410.97:045:56
510.97:055:57
610.97:065:57
710.87:065:57
810.87:075:57
910.87:075:58
1010.87:085:58
1110.87:095:58
1210.87:095:59
1310.87:105:59
1410.87:105:59
1510.87:116:00
1610.87:116:00
1710.87:126:00
1810.87:126:01
1910.87:136:01
2010.87:136:02
2110.87:146:02
2210.87:146:03
2310.87:156:03
2410.87:156:04
2510.87:166:04
2610.87:166:05
2710.87:176:05
2810.87:176:06
2910.87:176:06
3010.87:186:07
3110.87:186:07

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 7.37 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
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
264.9Bright
274.9Bright
284.9Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Atlacomulco de Fabela

In seasonPeak

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

Atlacomulco de Fabela's monsoon runs June–September, when most of the year's rain falls.

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

Is December a good time to visit Atlacomulco de Fabela?

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

7.5
Sightseeing
4th-best month of the year
3.0
Beach & pool
8th-best month of the year

December is one of the better times to visit Atlacomulco de Fabela for general sightseeing.

What to pack for Atlacomulco de Fabela in December

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

In December, Atlacomulco de Fabela sees daytime highs around 19°C and nights near 4°C. Worth packing: a warm layer and sun protection.

a warm layersun protection

UV index in Atlacomulco de Fabela 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 Atlacomulco de Fabela peaks around June 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 14UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun15Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Atlacomulco de Fabela 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 Atlacomulco de Fabela is worst in December — around 79 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 1078 µg/m³Apr 1353 µg/m³
PM2.5 (µg/m³)Level
Jan67Unhealthy
Feb62Unhealthy
Mar55Poor
Apr52Poor
May57Unhealthy
Jun59Unhealthy
Jul69Unhealthy
Aug65Unhealthy
Sep70Unhealthy
Oct66Unhealthy
Nov77Unhealthy
Dec79Unhealthy
Location & terrain

Where is Atlacomulco de Fabela?

Atlacomulco de Fabela sits at 19.8°N, 99.9°W, 2,576 m above sea level, in Mexico. The nearest listed city is San Pablo Autopan, 54 km away.

Topography around Atlacomulco de Fabela

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

Within 3 km, the terrain around Atlacomulco de Fabela has significant variations in elevation — a maximum elevation change of 463 m around an average of 2,579 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,489 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,624 m.

The land around Atlacomulco de Fabela is covered by artificial surfaces (34%), cropland (25%) and grassland (24%) within 3 km, cropland (39%), trees (28%) and grassland (23%) within 16 km, and trees (32%), cropland (27%) and grassland (20%) within 80 km.

3 km
463 m
16 km
1,489 m
80 km
3,624 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: San Pablo Autopan 54 km · San Andrés Cuexcontitlán 56 km · Tepeji del Río de Ocampo 57 km · Xonacatlán 57 km · San Francisco Tlalcilalcalpan 57 km · San José Guadalupe Otzacatipan 59 km · Zinacantepec 59 km · San Mateo Otzacatipan 59 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 Atlacomulco de Fabela (19.7992°, -99.875°, elevation 2,576 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).