Ocotlán de Morelos weather in December

In December, Ocotlán de Morelos sees average daytime highs of 25°C and overnight lows near 10°C, with 3 mm of rain across 0.7 wet days and about 11 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 68% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of December to 11 hours by month's end. Set against the rest of the year, December is Ocotlán de Morelos's 3rd-clearest and 5th-windiest month. For the whole year in context, see Ocotlán de Morelos's year-round climate.

Daytime high
25°
9th warmest
Overnight low
10°
2nd coldest
Rainfall
3 mm
0.7 wet days
Daylight
11 hours
6:53 AM – 5:53 PM
Cloud cover
29%
3rd clearest
Wind
7 km/h
5th windiest
Solar energy
5.22 kWh/m²
Travel score
8.9
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical December day in Ocotlán de Morelos reaches about 25°C in the afternoon and slips back to 10°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12510
22510
32510
42510
52510
62510
72510
82510
92510
102510
112510
122510
132510
142510
152510
162510
172510
182510
192510
202510
212510
222510
232510
242510
252510
262510
272510
282510
292510
302510
312510

Ocotlán de Morelos weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 10°20.811.18.9
Feb27° / 10°30.811.48.6
Mar28° / 12°122.311.97.6
Apr29° / 13°254.412.46.3
May28° / 15°8310.412.85.8
Jun26° / 15°15517135.3
Jul26° / 14°9514.412.95.8
Aug26° / 14°1151512.65.7
Sep25° / 15°15618.312.15.2
Oct25° / 13°819.511.66.8
Nov25° / 11°121.911.28.4
Dec25° / 10°30.7118.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28515
38515
48614
58614
68614
78614
88614
98416
108416
118416
128317
138317
148119
158119
168119
178020
188020
198020
208020
218020
228119
238119
248119
258119
268218
278218
288218
298317
308416
318416

Chance of precipitation in December

Any precipitation

Ocotlán de Morelos gets around 3 mm of rain over 0.7 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 2% and peaks near 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
172
182
192
203
213
223
234
244
254
264
274
285
295
305
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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1946
2955
3964
4964
5964
6973
7973
8973
9982
10982
11982
12982
13991
14991
15991
16991
17982
18982
19982
20982
21982
22982
23982
24982
25982
26982
27982
28982
29982
30991
31991

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 06 min at the start of December to 11 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 6:44 AM to 7:00 AM, and sunset from 5:49 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:445:49
211.16:455:49
311.16:465:49
411.16:465:49
511.06:475:49
611.06:475:50
711.06:485:50
811.06:485:50
911.06:495:50
1011.06:505:51
1111.06:505:51
1211.06:515:51
1311.06:515:52
1411.06:525:52
1511.06:525:53
1611.06:535:53
1711.06:535:53
1811.06:545:54
1911.06:545:54
2011.06:555:55
2111.06:555:55
2211.06:565:56
2311.06:565:56
2411.06:575:57
2511.06:575:57
2611.06:585:58
2711.06:585:58
2811.06:585:59
2911.06:595:59
3011.06:596:00
3111.07:006:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.22 kWh/m².

For context, solar energy here swings from a low near 5 kWh/m² to a high of 7.16 kWh/m² in April across the year — December's 5.22 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in December

Hazard calendar for Ocotlán de Morelos

In seasonPeak

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

Ocotlán de Morelos's rainy season runs May–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Ocotlán de Morelos?

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

8.9
Sightseeing
1st-best month of the year
8.0
Beach & pool
4th-best month of the year

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

What to pack for Ocotlán de Morelos in December

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

In December, Ocotlán de Morelos sees daytime highs around 25°C and nights near 10°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Ocotlán de Morelos in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ocotlán de Morelos peaks around April 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 13UV 15Dec 15UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar14Extreme
Apr15Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec9Very high

Air quality in Ocotlán de Morelos 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 Ocotlán de Morelos is worst in May — around 27 µg/m³ PM2.5 (moderate), about 3.8× the cleanest month (January, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1626 µg/m³Jan 137 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar10Good
Apr19Moderate
May27Moderate
Jun17Moderate
Jul20Moderate
Aug16Moderate
Sep15Moderate
Oct12Good
Nov9Good
Dec8Good
Location & terrain

Where is Ocotlán de Morelos?

Ocotlán de Morelos sits at 16.8°N, 96.7°W, 1,523 m above sea level, in Mexico. The nearest listed city is San Antonio de la Cal, 27 km away.

Topography around Ocotlán de Morelos

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

Within 3 km, the terrain around Ocotlán de Morelos has only modest variations in elevation — a maximum elevation change of 165 m around an average of 1,514 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,122 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,164 m.

The land around Ocotlán de Morelos is covered by cropland (53%) within 3 km, grassland (32%) and cropland (30%) within 16 km, and trees (65%) within 80 km.

3 km
165 m
16 km
1,122 m
80 km
3,164 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: San Antonio de la Cal 27 km · Santa Cruz Xoxocotlán 27 km · Oaxaca 30 km · Santa María Atzompa 36 km · Miahuatlán de Porfirio Díaz 52 km · Puerto Escondido 112 km · Heroica Ciudad de Tlaxiaco 119 km · Crucecita 128 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 Ocotlán de Morelos (16.7918°, -96.675°, elevation 1,523 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).