Juan Aldama weather in December

In December, Juan Aldama sees average daytime highs of 19°C and overnight lows near 6°C, with 7 mm of precipitation across 1.4 wet days and about 10.5 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 19°C by the end. 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 36 min at the start of December to 10 h 30 min by month's end. Set against the rest of the year, December is Juan Aldama's 6th-clearest and 6th-windiest month. For the whole year in context, see Juan Aldama's year-round climate.

Daytime high
19°
11th warmest
Overnight low
2nd coldest
Precipitation
7 mm
1.4 wet days
Daylight
10 h 30 min
7:35 AM – 6:05 PM
Cloud cover
41%
6th clearest
Wind
14 km/h
6th windiest
Solar energy
4.52 kWh/m²
Travel score
7.7
out of 10

Juan Aldama is Tierra del frijol y maíz.

Founded
1591

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 20°C in the first days to 19°C by the end.

A typical December day in Juan Aldama reaches about 19°C in the afternoon and slips back to 6°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1217
2207
3207
4207
5207
6206
7206
8206
9206
10206
11206
12206
13206
14196
15196
16196
17196
18196
19196
20196
21196
22195
23195
24195
25195
26195
27195
28195
29195
30195
31195

Juan Aldama 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° / 142.310.77.5
Feb21° / 101.611.28.2
Mar24° / 101.811.88.6
Apr27° / 12°91.912.68.1
May29° / 15°17413.26.8
Jun28° / 16°629.413.56.3
Jul26° / 15°11212.613.46.4
Aug25° / 15°9312.812.86.4
Sep24° / 14°10913.212.26.5
Oct23° / 11°32511.48.1
Nov21° / 122.210.88.2
Dec19° / 71.410.57.7

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 13% of December, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
26931
36832
46733
56733
66634
76634
86634
96535
106535
116535
126535
136634
146634
156634
166535
176535
186634
196634
206634
216733
226733
236733
246733
256733
266733
276733
286733
296733
306733
316733

Chance of precipitation in December

Any precipitation

Juan Aldama gets around 7 mm of rain and snow over 1.4 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 precipitation averages around 5% and peaks near 6% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
45
55
64
74
84
94
104
114
124
134
144
154
164
174
184
195
205
215
225
235
245
255
265
276
286
296
306
316

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 14 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 36 min at the start of December to 10 h 30 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 7:25 AM to 7:41 AM, and sunset from 6:01 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.67:256:01
210.67:266:02
310.67:276:02
410.67:276:02
510.67:286:02
610.67:296:02
710.67:296:02
810.57:306:02
910.57:306:03
1010.57:316:03
1110.57:326:03
1210.57:326:04
1310.57:336:04
1410.57:336:04
1510.57:346:05
1610.57:356:05
1710.57:356:05
1810.57:366:06
1910.57:366:06
2010.57:376:06
2110.57:376:07
2210.57:386:07
2310.57:386:08
2410.57:396:08
2510.57:396:09
2610.57:396:09
2710.57:406:10
2810.57:406:10
2910.57:416:11
3010.57:416:12
3110.57:416:12

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.52 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.52 kWh/m² to a high of 7.86 kWh/m² in May across the year — December's 4.52 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.6Bright
314.6Bright
Planning a trip in December

Is December a good time to visit Juan Aldama?

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

7.7
Sightseeing
6th-best month of the year
3.6
Beach & pool
11th-best month of the year

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

What to pack for Juan Aldama in December

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

In December, Juan Aldama sees daytime highs around 19°C and nights near 6°C. Worth packing: a warm layer and sun protection.

a warm layersun protection

UV index in Juan Aldama in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Juan Aldama peaks around May 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighMay 24UV 14Dec 19UV 6
UV index (midday)Level
Jan7High
Feb10Very high
Mar11Extreme
Apr13Extreme
May14Extreme
Jun14Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct9Very high
Nov7High
Dec6High
Location & terrain

Where is Juan Aldama?

Juan Aldama sits at 24.3°N, 103.4°W, 1,996 m above sea level, in Mexico. The nearest listed city is Río Grande, 63 km away.

Topography around Juan Aldama

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

Within 3 km, the terrain around Juan Aldama has only modest variations in elevation — a maximum elevation change of 137 m around an average of 2,002 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 736 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,768 m.

The land around Juan Aldama is covered by shrubs (49%) and cropland (31%) within 3 km, shrubs (57%) and cropland (38%) within 16 km, and shrubs (68%) and cropland (27%) within 80 km.

3 km
137 m
16 km
736 m
80 km
1,768 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Río Grande 63 km · Guadalupe Victoria 76 km · Sombrerete 78 km · Vicente Guerrero 86 km · Victoria de Durango 132 km · Fresnillo 135 km · Matamoros 138 km · Lerdo 139 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 Juan Aldama (24.2907°, -103.3934°, elevation 1,996 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).