Ciudad Constitución weather in December

In December, Ciudad Constitución sees average daytime highs of 26°C and overnight lows near 12°C, with 10 mm of rain across 1.4 wet days and about 10.5 hours of daylight. It is the 11th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 25°C by the end. 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 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 Ciudad Constitución's 12th-clearest and 12th-windiest month. For the whole year in context, see Ciudad Constitución's year-round climate.

Daytime high
26°
11th warmest
Overnight low
12°
3rd coldest
Rainfall
10 mm
1.4 wet days
Daylight
10 h 30 min
7:09 AM – 5:36 PM
Cloud cover
41%
12th clearest
Wind
11 km/h
12th windiest
Solar energy
4.19 kWh/m²
Travel score
8.4
out of 10

Ciudad Constitución is municipal seat of Comondú, State of Baja California Sur, Mexico.

Founded
1953

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 27°C in the first days to 25°C by the end.

A typical December day in Ciudad Constitución reaches about 26°C in the afternoon and slips back to 12°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 29°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)
12714
22714
32714
42713
52713
62613
72613
82613
92613
102613
112613
122613
132613
142612
152612
162512
172512
182512
192512
202512
212512
222512
232512
242512
252512
262512
272512
282512
292512
302512
312512

How December really feels in Ciudad Constitución

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.

Ciudad Constitución weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 12°7110.68.6
Feb26° / 12°71.211.18.3
Mar27° / 13°30.411.88.4
Apr28° / 14°10.112.67.6
May30° / 15°00.113.27.1
Jun32° / 18°20.213.55.6
Jul35° / 22°30.613.43.5
Aug35° / 24°182.412.92.8
Sep35° / 24°464.212.23.3
Oct32° / 20°161.311.45.2
Nov29° / 16°12110.87.2
Dec26° / 12°101.410.58.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26634
36535
46535
56436
66436
76535
86535
96535
106535
116634
126634
136634
146634
156634
166634
176634
186634
196634
206535
216535
226535
236436
246436
256436
266436
276535
286634
296634
306733
316733

Chance of precipitation in December

Any precipitation

Ciudad Constitución gets around 10 mm of rain over 1.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 5% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
36
46
56
66
75
85
95
105
115
125
135
145
155
165
175
184
194
204
214
224
234
244
254
264
274
284
294
304
314

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15926132
26025132
36125131
46324121
56424111
66424111
76524101
86524101
9662491
10682381
11702370
12712270
13732160
14752050
15771940
16791830
17801730
18821620
19831520
20841420
21841420
22851320
23841321
24851221
25851221
26851221
27841321
28831331
29831331
30821431
31821431

Wind in December

Winds average 11 km/h in December, the calmest month.

Across December, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 7:00 AM to 7:16 AM, and sunset from 5:33 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.67:005:33
210.57:005:33
310.57:015:33
410.57:025:33
510.57:025:33
610.57:035:34
710.57:045:34
810.57:045:34
910.57:055:34
1010.57:065:34
1110.57:065:35
1210.57:075:35
1310.57:085:35
1410.57:085:36
1510.57:095:36
1610.57:095:36
1710.47:105:37
1810.47:105:37
1910.47:115:38
2010.47:115:38
2110.47:125:38
2210.47:125:39
2310.47:135:39
2410.47:135:40
2510.47:145:40
2610.47:145:41
2710.47:145:41
2810.57:155:42
2910.57:155:43
3010.57:165:43
3110.57:165:44

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.19 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.19 kWh/m² to a high of 8.09 kWh/m² in May across the year — December's 4.19 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in December

Hazard calendar for Ciudad Constitución

In seasonPeak

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

Ciudad Constitución sits in the eastern Pacific hurricane zone; the season peaks August–September.

Pacific hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Ciudad Constitución?

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

8.4
Sightseeing
2nd-best month of the year
7.9
Beach & pool
9th-best month of the year

December is one of the better times to visit Ciudad Constitución for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ciudad Constitución in December

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

In December, Ciudad Constitución sees daytime highs around 26°C and nights near 12°C. Worth packing: light clothes.

light clothes

Sea temperature near Ciudad Constitución in December

The nearest coast averages about 22°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 48 km away) is warmest in September at about 26°C and coldest in April near 18°C.

It's comfortable for a long swim from Jun 25 to Jan 19 — about 6.9 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb19Cool
Mar18Cool
Apr18Cool
May18Cool
Jun19Cool
Jul23Refreshing
Aug25Warm
Sep26Warm
Oct25Warm
Nov23Refreshing
Dec22Refreshing

UV index in Ciudad Constitución 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 Ciudad Constitución peaks around July 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 14UV 13Dec 20UV 5
UV index (midday)Level
Jan6High
Feb7High
Mar9Very high
Apr11Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug11Extreme
Sep10Extreme
Oct8Very high
Nov6High
Dec5Moderate
Location & terrain

Where is Ciudad Constitución?

Ciudad Constitución sits at 25.0°N, 111.7°W, 53 m above sea level, in Mexico. The nearest listed city is La Paz, 169 km away.

Todos SantosLos MochisHuatabampoColonia del SolJuan José RíosSan José del CaboCabo San Lucas

Topography around Ciudad Constitución

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

Within 3 km, the terrain around Ciudad Constitución has only modest variations in elevation — a maximum elevation change of 14 m around an average of 52 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 64 m; within 80 km, large variations in elevation — a maximum elevation change of 1,115 m.

The land around Ciudad Constitución is covered by bare terrain (51%) and artificial surfaces (33%) within 3 km, bare terrain (52%) and shrubs (35%) within 16 km, and shrubs (58%) and water (24%) within 80 km.

3 km
14 m
16 km
64 m
80 km
1,115 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
December weather nearby: La Paz 169 km · Todos Santos 229 km · Los Mochis 281 km · Huatabampo 284 km · Colonia del Sol 294 km · Juan José Ríos 296 km · San José del Cabo 297 km · Cabo San Lucas 297 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 Ciudad Constitución (25.0321°, -111.6626°, elevation 53 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).