Monclova weather in December

In December, Monclova sees average daytime highs of 20°C and overnight lows near 8°C, with 17 mm of precipitation across 3.3 wet days and about 10.3 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 54% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of December to 10 h 18 min by month's end. Set against the rest of the year, December is Monclova's 9th-clearest and 11th-windiest month. For the whole year in context, see Monclova's year-round climate.

Daytime high
20°
11th warmest
Overnight low
2nd coldest
Precipitation
17 mm
3.3 wet days
Daylight
10 h 18 min
7:32 AM – 5:51 PM
Cloud cover
43%
9th clearest
Wind
6 km/h
11th windiest
Solar energy
3.64 kWh/m²
Travel score
7.7
out of 10

Monclova is municipal seat of Monclova, State of Coahuila, Mexico.

Founded
1689

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 19°C by the end.

A typical December day in Monclova reaches about 20°C in the afternoon and slips back to 8°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 28°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12210
22210
32210
4229
5219
6219
7219
8219
9219
10219
11219
12219
13218
14218
15208
16208
17208
18208
19208
20208
21208
22208
23208
24208
25208
26197
27197
28197
29197
30197
31197

How December really feels in Monclova

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Monclova weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 153.210.57.6
Feb23° / 10°112.7118.2
Mar27° / 14°193.411.87.6
Apr31° / 18°194.212.65.2
May34° / 22°34813.33.4
Jun35° / 24°397.513.72.6
Jul35° / 24°597.813.52.8
Aug35° / 24°447.2133.0
Sep31° / 22°9510.612.24.6
Oct28° / 17°325.511.46.9
Nov24° / 12°173.510.78.3
Dec20° / 173.310.37.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26436
36436
46337
56337
66238
76139
86139
96238
106238
116238
126337
136337
146337
156436
166436
176436
186436
196436
206436
216337
226337
236337
246238
256139
266040
276040
286040
296040
306040
316040

Chance of precipitation in December

Any precipitation

Monclova gets around 17 mm of rain and snow over 3.3 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 10% and peaks near 12% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
19
29
39
49
59
610
710
810
910
1010
1110
1210
1310
1410
1510
1610
1710
1810
1910
2010
2110
2211
2311
2411
2511
2611
2712
2812
2912
3012
3112

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
187103
288102
38992
48992
58992
68992
79091
89091
99091
109181
119181
129181
139271
149271
159370
169460
179460
189460
199460
209550
219451
229451
239451
249541
259541
269541
279541
289541
299631
309631
319631

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 24 min at the start of December to 10 h 18 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 7:23 AM to 7:39 AM, and sunset from 5:48 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.47:235:48
210.47:235:48
310.47:245:48
410.47:255:48
510.47:255:49
610.47:265:49
710.47:275:49
810.47:275:49
910.47:285:49
1010.37:295:50
1110.37:295:50
1210.37:305:50
1310.37:315:50
1410.37:315:51
1510.37:325:51
1610.37:325:51
1710.37:335:52
1810.37:335:52
1910.37:345:52
2010.37:355:53
2110.37:355:53
2210.37:355:54
2310.37:365:54
2410.37:365:55
2510.37:375:55
2610.37:375:56
2710.37:385:56
2810.37:385:57
2910.37:385:58
3010.37:395:58
3110.37:395:59

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.64 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.64 kWh/m² to a high of 7.05 kWh/m² in June across the year — December's 3.64 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.6Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.7Moderate
Planning a trip in December

Is December a good time to visit Monclova?

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

7.7
Sightseeing
3rd-best month of the year
4.3
Beach & pool
11th-best month of the year

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

What to pack for Monclova in December

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

In December, Monclova sees daytime highs around 20°C and nights near 8°C. Little to plan around — just the basics. About 3 days see rain.

UV index in Monclova in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Monclova peaks around July 15 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 15UV 12Dec 17UV 5
UV index (midday)Level
Jan6High
Feb7Very high
Mar9Very high
Apr11Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep11Extreme
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Monclova 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 Monclova is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1617 µg/m³Jan 219 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr11Good
May15Moderate
Jun15Moderate
Jul18Moderate
Aug15Moderate
Sep14Moderate
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Monclova?

Monclova sits at 26.9°N, 101.4°W, 603 m above sea level, in Mexico. The nearest listed city is Frontera, 4.0 km away.

Topography around Monclova

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

Within 3 km, the terrain around Monclova has only modest variations in elevation — a maximum elevation change of 111 m around an average of 611 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,645 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,340 m.

The land around Monclova is covered by artificial surfaces (87%) within 3 km, shrubs (71%) within 16 km, and shrubs (90%) within 80 km.

3 km
111 m
16 km
1,645 m
80 km
2,340 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Frontera 4.0 km · Castaños 13 km · San Buenaventura 21 km · Ciudad Melchor Múzquiz 109 km · Palaú 110 km · Sabinas 110 km · Nueva Rosita 116 km · Ciudad Sabinas Hidalgo 131 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 Monclova (26.9069°, -101.4206°, elevation 603 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).