Puerto Peñasco weather in December

In December, Puerto Peñasco sees average daytime highs of 19°C and overnight lows near 14°C, with 14 mm of rain across 2.1 wet days and about 10 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 18°C by the end. The sky is clear or mostly clear about 65% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of December to 10 hours by month's end. Set against the rest of the year, December is Puerto Peñasco's 11th-clearest and 3rd-windiest month. For the whole year in context, see Puerto Peñasco's year-round climate.

Daytime high
19°
10th warmest
Overnight low
14°
2nd coldest
Rainfall
14 mm
2.1 wet days
Daylight
10 hours
7:31 AM – 5:30 PM
Cloud cover
31%
11th clearest
Wind
17 km/h
3rd windiest
Solar energy
3.5 kWh/m²
Travel score
7.8
out of 10

Puerto Peñasco is municipal seat of Puerto Peñasco, State of Sonora, Mexico.

Founded
1927

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 18°C by the end.

A typical December day in Puerto Peñasco reaches about 19°C in the afternoon and slips back to 14°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 22°C. Set against its neighbours, December runs about 4°C cooler than November and on par with January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12116
22115
32115
42015
52015
62015
72015
82015
92015
102014
112014
121914
131914
141914
151914
161914
171914
181914
191914
201914
211913
221913
231813
241813
251813
261813
271813
281813
291813
301813
311813

How December really feels in Puerto Peñasco

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.

Puerto Peñasco weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 13°81.610.27.7
Feb19° / 14°112.110.97.7
Mar21° / 16°81.511.88.3
Apr23° / 19°30.612.79.2
May26° / 22°10.113.69.3
Jun29° / 25°10148.0
Jul31° / 29°20.413.85.7
Aug32° / 30°7113.15.2
Sep32° / 28°91.412.25.7
Oct28° / 24°8111.27.9
Nov23° / 18°81.110.48.9
Dec19° / 14°142.1107.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 23%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27525
37525
47525
57525
67525
77525
87624
97723
107723
117723
127723
137723
147723
157822
167822
177921
187921
197822
207822
217723
227723
237723
247624
257624
267624
277723
287624
297624
307624
317624

Chance of precipitation in December

Any precipitation

Puerto Peñasco gets around 14 mm of rain over 2.1 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
46
57
67
77
87
97
107
117
127
137
147
157
167
177
187
197
207
217
227
237
247
257
267
277
287
297
307
317

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
181163
281163
381163
482162
582162
682162
782162
883161
984151
1084151
1185141
1286131
1387121
1489110
1590100
169190
179190
189280
199370
209370
219460
229460
239460
249460
259460
269460
279460
289460
299460
309370
319370

Wind in December

Winds average 17 km/h in December.

Across December, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 06 min at the start of December to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:21 AM to 7:38 AM, and sunset from 5:27 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.17:215:27
210.17:215:27
310.17:225:27
410.17:235:27
510.17:245:27
610.07:245:27
710.07:255:27
810.07:265:28
910.07:275:28
1010.07:275:28
1110.07:285:28
1210.07:295:28
1310.07:295:29
1410.07:305:29
1510.07:315:29
1610.07:315:30
1710.07:325:30
1810.07:325:30
1910.07:335:31
2010.07:335:31
2110.07:345:31
2210.07:345:32
2310.07:355:32
2410.07:355:33
2510.07:365:33
2610.07:365:34
2710.07:365:35
2810.07:375:35
2910.07:375:36
3010.07:375:36
3110.07:385:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.5 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.5 kWh/m² to a high of 8.36 kWh/m² in June across the year — December's 3.5 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.4Moderate
153.4Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in December

Is December a good time to visit Puerto Peñasco?

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

7.8
Sightseeing
7th-best month of the year
3.5
Beach & pool
10th-best month of the year

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

What to pack for Puerto Peñasco in December

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

In December, Puerto Peñasco sees daytime highs around 19°C and nights near 14°C. Little to plan around — just the basics.

Sea temperature near Puerto Peñasco in December

The nearest coast averages about 19°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 31°C and coldest in January near 17°C.

It's comfortable for a long swim from Apr 7 to Dec 7 — about 8.1 months when the water holds above 20°C.

15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb17Cool
Mar19Cool
Apr21Refreshing
May23Refreshing
Jun26Warm
Jul29Tropical
Aug31Tropical
Sep30Tropical
Oct27Warm
Nov23Refreshing
Dec19Cool

UV index in Puerto Peñasco in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Puerto Peñasco peaks around July 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 17UV 11Dec 18UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar6High
Apr9Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct7High
Nov5Moderate
Dec3Moderate
Location & terrain

Where is Puerto Peñasco?

Puerto Peñasco sits at 31.3°N, 113.5°W, 11 m above sea level, in Mexico. The nearest listed city is San Felipe, 128 km away.

San LuisSomertonCiudad Guadalupe VictoriaYuma

Topography around Puerto Peñasco

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

Within 3 km, the terrain around Puerto Peñasco has only modest variations in elevation — a maximum elevation change of 55 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 122 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,234 m.

The land around Puerto Peñasco is covered by artificial surfaces (40%), bare terrain (33%) and water (21%) within 3 km, water (53%) and bare terrain (42%) within 16 km, and bare terrain (52%) and water (35%) within 80 km.

3 km
55 m
16 km
122 m
80 km
1,234 m
shrubsgrasslandartificial surfacesbare terrainwaterwetland
December weather nearby: San Felipe 128 km · Heroica Caborca 147 km · Fortuna Foothills 170 km · San Luis Río Colorado 172 km · San Luis 175 km · Somerton 180 km · Ciudad Guadalupe Victoria 183 km · Yuma 187 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 Puerto Peñasco (31.3172°, -113.538°, elevation 11 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. 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).