Xico weather in December

In December, Xico sees average daytime highs of 19°C and overnight lows near 5°C, with 12 mm of rain across 2.2 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 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 54 min by month's end. Set against the rest of the year, December is Xico's 3rd-clearest and 5th-windiest month. For the whole year in context, see Xico's year-round climate.

Daytime high
19°
11th warmest
Overnight low
2nd coldest
Rainfall
12 mm
2.2 wet days
Daylight
10 h 48 min
7:07 AM – 5:57 PM
Cloud cover
38%
3rd clearest
Wind
6 km/h
5th windiest
Solar energy
4.99 kWh/m²
Travel score
7.5
out of 10

Xico is municipal seat of Valle de Chalco, 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 Xico reaches about 19°C in the afternoon and slips back to 5°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
13195
14195
15195
16195
17195
18195
19195
20195
21195
22195
23195
24185
25185
26185
27185
28185
29185
30185
31184

Xico 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° / 193.4117.3
Feb20° / 173.511.37.8
Mar22° / 225.211.97.8
Apr23° / 406.912.47.5
May23° / 10°7912.512.96.6
Jun22° / 11°24320.113.14.9
Jul20° / 10°34527133.8
Aug20° / 10°33726.512.73.8
Sep20° / 11°27323.612.14.1
Oct20° / 1201411.65.6
Nov19° / 355.711.17.0
Dec19° / 122.210.97.5

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 16% 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 (%)
17723
27723
37723
47723
57624
67624
77624
87624
97525
107426
117327
127327
137228
147228
157228
167129
177129
187030
197030
207030
217030
227030
237030
247030
256931
266931
276931
286931
297030
307030
317030

Chance of precipitation in December

Any precipitation

Xico gets around 12 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 8% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
29
38
48
57
67
77
87
97
107
117
127
137
147
157
167
177
187
197
207
217
228
238
248
258
268
278
288
298
308
318

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 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:58 AM to 7:13 AM, and sunset from 5:53 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:585:53
210.96:595:53
310.96:595:54
410.97:005:54
510.97:005:54
610.97:015:54
710.97:025:54
810.97:025:55
910.97:035:55
1010.97:035:55
1110.97:045:56
1210.97:045:56
1310.97:055:56
1410.87:065:57
1510.87:065:57
1610.87:075:57
1710.87:075:58
1810.87:085:58
1910.87:085:59
2010.87:095:59
2110.87:095:59
2210.87:106:00
2310.87:106:00
2410.87:116:01
2510.87:116:01
2610.87:116:02
2710.87:126:02
2810.87:126:03
2910.87:136:03
3010.87:136:04
3110.97:136:05

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.99 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.99 kWh/m² to a high of 6.91 kWh/m² in April across the year — December's 4.99 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
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 Xico

In seasonPeak

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

Xico'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 Xico?

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

7.5
Sightseeing
3rd-best month of the year
3.1
Beach & pool
7th-best month of the year

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

What to pack for Xico in December

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

In December, Xico sees daytime highs around 19°C and nights near 5°C. Worth packing: a warm layer and sun protection.

a warm layersun protection

UV index in Xico 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 Xico peaks around April 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 10UV 15Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr15Extreme
May11Extreme
Jun14Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Xico 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 Xico 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 Xico?

Xico sits at 19.3°N, 99.0°W, 2,234 m above sea level, in Mexico. The nearest listed city is San Mateo Huitzilzingo, 5.0 km away.

Topography around Xico

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

Within 3 km, the terrain around Xico has only modest variations in elevation — a maximum elevation change of 117 m around an average of 2,234 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,039 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,523 m.

The land around Xico is covered by artificial surfaces (47%) and cropland (24%) within 3 km, artificial surfaces (41%) and cropland (20%) within 16 km, and trees (33%) and cropland (28%) within 80 km.

3 km
117 m
16 km
1,039 m
80 km
4,523 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: San Mateo Huitzilzingo 5.0 km · Chalco 6.0 km · Tláhuac 6.0 km · San Juan Ixtayopan 7.0 km · San Antonio Tecómitl 7.0 km · San Isidro 8.0 km · Emiliano Zapata 9.0 km · Ixtapaluca 9.0 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 Xico (19.2703°, -98.9509°, elevation 2,234 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).