Xonacatlán weather in December

In December, Xonacatlán sees average daytime highs of 19°C and overnight lows near 4°C, with 13 mm of rain across 2.5 wet days and about 10.9 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 Xonacatlán's 3rd-clearest and 7th-windiest month. For the whole year in context, see Xonacatlán's year-round climate.

Daytime high
19°
11th warmest
Overnight low
2nd coldest
Rainfall
13 mm
2.5 wet days
Daylight
10 h 48 min
7:09 AM – 5:59 PM
Cloud cover
40%
3rd clearest
Wind
6 km/h
7th windiest
Solar energy
4.91 kWh/m²
Travel score
7.4
out of 10

Xonacatlán is municipal seat of Xonacatlán, 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 Xonacatlán reaches about 19°C in the afternoon and slips back to 4°C overnight — a 15°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)
1194
2194
3194
4194
5194
6194
7194
8194
9194
10194
11194
12194
13194
14194
15194
16194
17184
18184
19184
20184
21184
22184
23184
24184
25184
26184
27184
28184
29184
30183
31183

Xonacatlán 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° / 194117.2
Feb20° / 174.111.37.6
Mar22° / 245.811.97.7
Apr23° / 448.812.47.2
May23° / 9113.812.96.3
Jun22° / 10°2111913.15.0
Jul20° / 10°23825.913.14.0
Aug20° / 10°23024.612.74.1
Sep20° / 10°21421.812.14.4
Oct19° / 9713.511.65.6
Nov19° / 295.511.16.9
Dec19° / 132.510.97.4

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 (%)
17723
27723
37723
47624
57624
67624
77525
87525
97426
107327
117228
127129
137030
147030
157030
167030
176931
186832
196832
206832
216832
226832
236733
246733
256733
266733
276733
286733
296832
306832
316832

Chance of precipitation in December

Any precipitation

Xonacatlán gets around 13 mm of rain over 2.5 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 8% and peaks near 10% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
29
39
49
58
68
78
88
97
107
117
127
137
147
157
167
177
187
197
207
218
228
238
248
259
269
279
289
2910
3010
3110

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 7:00 AM to 7:16 AM, and sunset from 5:55 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:005:55
210.97:015:55
310.97:025:56
410.97:025:56
510.97:035:56
610.97:045:56
710.97:045:56
810.97:055:57
910.97:055:57
1010.97:065:57
1110.97:065:58
1210.87:075:58
1310.87:085:58
1410.87:085:59
1510.87:095:59
1610.87:095:59
1710.87:106:00
1810.87:106:00
1910.87:116:01
2010.87:116:01
2110.87:126:01
2210.87:126:02
2310.87:136:02
2410.87:136:03
2510.87:146:03
2610.87:146:04
2710.87:146:04
2810.87:156:05
2910.87:156:06
3010.87:166:06
3110.87:166:07

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.91 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.91 kWh/m² to a high of 7.08 kWh/m² in April across the year — December's 4.91 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Xonacatlán

In seasonPeak

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

Xonacatlán'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 Xonacatlán?

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

7.4
Sightseeing
3rd-best month of the year
2.8
Beach & pool
7th-best month of the year

December is one of the better times to visit Xonacatlán for general sightseeing.

What to pack for Xonacatlán in December

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

In December, Xonacatlán 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 Xonacatlán 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 Xonacatlán peaks around March 24 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 highMar 24UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun15Extreme
Jul12Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Xonacatlán 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 Xonacatlán 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 Xonacatlán?

Xonacatlán sits at 19.4°N, 99.5°W, 2,585 m above sea level, in Mexico. The nearest listed city is San José Guadalupe Otzacatipan, 9.0 km away.

Topography around Xonacatlán

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

Within 3 km, the terrain around Xonacatlán has only modest variations in elevation — a maximum elevation change of 128 m around an average of 2,581 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,205 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,666 m.

The land around Xonacatlán is covered by cropland (59%) and artificial surfaces (20%) within 3 km, trees (36%), cropland (27%) and artificial surfaces (20%) within 16 km, and trees (39%) and cropland (23%) within 80 km.

3 km
128 m
16 km
1,205 m
80 km
3,666 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: San José Guadalupe Otzacatipan 9.0 km · San Andrés Cuexcontitlán 11 km · San Mateo Otzacatipan 11 km · San Pedro Totoltepec 11 km · Santa María Totoltepec 13 km · Lerma de Villada 13 km · San Pablo Autopan 15 km · San Jerónimo 15 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 Xonacatlán (19.4051°, -99.5281°, elevation 2,585 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).