San Miguel Coatlinchán weather in December

In December, San Miguel Coatlinchán sees average daytime highs of 19°C and overnight lows near 4°C, with 10 mm of rain across 2.2 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 56% 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 San Miguel Coatlinchán's 2nd-clearest and 6th-windiest month. For the whole year in context, see San Miguel Coatlinchán's year-round climate.

Daytime high
19°
11th warmest
Overnight low
2nd coldest
Rainfall
10 mm
2.2 wet days
Daylight
10 h 48 min
7:07 AM – 5:57 PM
Cloud cover
38%
2nd clearest
Wind
6 km/h
6th windiest
Solar energy
5.03 kWh/m²
Travel score
7.6
out of 10

San Miguel Coatlinchán is town in Texcoco municipality, State of Mexico, 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 San Miguel Coatlinchán 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 on par with 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
13194
14194
15194
16194
17194
18194
19194
20194
21194
22194
23194
24194
25194
26194
27194
28194
29194
30194
31184

San Miguel Coatlinchán 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
Jan19° / 153.6117.3
Feb21° / 143.611.37.8
Mar22° / 226.411.97.7
Apr23° / 429.112.47.2
May23° / 7213.112.96.5
Jun22° / 10°17719.813.25.0
Jul21° / 10°19124.813.14.2
Aug21° / 10°20024.612.74.2
Sep20° / 10°20622.612.14.3
Oct20° / 9813.411.65.7
Nov19° / 316.211.17.0
Dec19° / 102.210.87.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
27921
37921
47921
57921
67723
77723
87723
97624
107525
117426
127327
137327
147228
157228
167129
177030
187030
197030
207030
216832
226832
236832
246832
256832
266832
276832
286832
296832
306832
317030

Chance of precipitation in December

Any precipitation

San Miguel Coatlinchán gets around 10 mm of rain over 2.2 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
66
76
86
96
106
116
126
136
146
156
166
176
186
196
207
217
227
238
248
258
268
278
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 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 6:58 AM to 7:13 AM, and sunset from 5:53 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:585:53
210.96:595:53
310.96:595:53
410.97:005:53
510.97:005:53
610.97:015:53
710.97:025:54
810.97:025:54
910.97:035:54
1010.97:035:55
1110.87:045:55
1210.87:045:55
1310.87:055:56
1410.87:065:56
1510.87:065:56
1610.87:075:57
1710.87:075:57
1810.87:085:57
1910.87:085:58
2010.87:095:58
2110.87:095:59
2210.87:105:59
2310.87:106:00
2410.87:116:00
2510.87:116:01
2610.87:116:01
2710.87:126:02
2810.87:126:02
2910.87:136:03
3010.87:136:03
3110.87:136:04

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.03 kWh/m².

For context, solar energy here swings from a low near 5.02 kWh/m² to a high of 6.97 kWh/m² in April across the year — December's 5.03 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for San Miguel Coatlinchán

In seasonPeak

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

San Miguel Coatlinchán's monsoon runs June–October, 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 San Miguel Coatlinchán?

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

7.6
Sightseeing
3rd-best month of the year
3.2
Beach & pool
7th-best month of the year

December is one of the better times to visit San Miguel Coatlinchán for general sightseeing.

What to pack for San Miguel Coatlinchán in December

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

In December, San Miguel Coatlinchán 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 San Miguel Coatlinchán in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Miguel Coatlinchán peaks around June 17 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 17UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar14Extreme
Apr14Extreme
May11Extreme
Jun15Extreme
Jul12Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in San Miguel Coatlinchán 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 San Miguel Coatlinchán is worst in December — around 179 µg/m³ PM2.5 (very unhealthy), and holds fairly steady the rest of the year.

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

0306090120150180210JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyDec 11178 µg/m³Apr 14115 µg/m³
PM2.5 (µg/m³)Level
Jan149Unhealthy
Feb141Unhealthy
Mar126Unhealthy
Apr113Unhealthy
May134Unhealthy
Jun126Unhealthy
Jul135Unhealthy
Aug127Unhealthy
Sep136Unhealthy
Oct137Unhealthy
Nov174Very unhealthy
Dec179Very unhealthy
Location & terrain

Where is San Miguel Coatlinchán?

San Miguel Coatlinchán sits at 19.4°N, 98.9°W, 2,313 m above sea level, in Mexico. The nearest listed city is Chicoloapan, 5.0 km away.

Topography around San Miguel Coatlinchán

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Miguel Coatlinchán.

Within 3 km, the terrain around San Miguel Coatlinchán has significant variations in elevation — a maximum elevation change of 250 m around an average of 2,302 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,773 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,418 m.

The land around San Miguel Coatlinchán is covered by cropland (46%) and artificial surfaces (27%) within 3 km, artificial surfaces (29%) and trees (20%) within 16 km, and trees (31%) and cropland (29%) within 80 km.

3 km
250 m
16 km
1,773 m
80 km
4,418 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Chicoloapan 5.0 km · Texcoco de Mora 7.0 km · Santa María Chimalhuacán 9.0 km · Tulantongo 9.0 km · San Francisco Acuautla 12 km · Magdalena Atlicpac 12 km · San Salvador Atenco 12 km · Chiconcuac 12 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 San Miguel Coatlinchán (19.45°, -98.8727°, elevation 2,313 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).