Ixtapan de la Sal weather in December

In December, Ixtapan de la Sal sees average daytime highs of 24°C and overnight lows near 10°C, with 8 mm of rain across 1.6 wet days and about 10.9 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 63% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Ixtapan de la Sal's 4th-clearest and 6th-windiest month. For the whole year in context, see Ixtapan de la Sal's year-round climate.

Daytime high
24°
11th warmest
Overnight low
10°
2nd coldest
Rainfall
8 mm
1.6 wet days
Daylight
10 h 54 min
7:09 AM – 6:01 PM
Cloud cover
35%
4th clearest
Wind
5 km/h
6th windiest
Solar energy
5.03 kWh/m²
Travel score
8.8
out of 10

Ixtapan de la Sal is municipal seat of Ixtapan de la Sal, State of México, Mexico.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical December day in Ixtapan de la Sal reaches about 24°C in the afternoon and slips back to 10°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°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)
12511
22411
32410
42410
52410
62410
72410
82410
92410
102410
112410
122410
132410
142410
152410
162410
172410
182410
192410
202410
212410
222410
232410
242410
252410
262410
272410
282410
292410
30249
31249

Ixtapan de la Sal 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
Jan24° / 10°152.3118.7
Feb26° / 11°122.211.48.5
Mar28° / 12°15311.97.8
Apr29° / 14°244.712.46.2
May29° / 15°1151512.95.1
Jun26° / 16°24725.113.14.2
Jul25° / 15°18623.3134.6
Aug25° / 15°22825.712.64.3
Sep25° / 15°23726.312.14.1
Oct25° / 14°1141911.65.4
Nov25° / 12°31711.17.7
Dec24° / 10°81.610.98.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% 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 23%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18119
28119
38218
48218
58218
68218
78218
88119
98119
108020
117921
127822
137723
147723
157723
167723
177624
187624
197624
207624
217426
227426
237426
247426
257426
267426
277426
287426
297426
307426
317426

Chance of precipitation in December

Any precipitation

Ixtapan de la Sal gets around 8 mm of rain over 1.6 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 rain averages around 6% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
18
28
37
46
56
66
75
85
95
105
115
125
135
145
155
165
175
185
195
205
215
226
236
246
256
266
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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1964
2964
3973
4973
5973
6982
7982
8982
9982
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 54 min at the start of December to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 7:00 AM to 7:15 AM, and sunset from 5:57 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:005:57
210.97:015:57
310.97:015:57
410.97:025:57
510.97:025:58
610.97:035:58
710.97:045:58
810.97:045:58
910.97:055:59
1010.97:055:59
1110.97:065:59
1210.97:076:00
1310.97:076:00
1410.97:086:00
1510.97:086:01
1610.97:096:01
1710.97:096:01
1810.97:106:02
1910.97:106:02
2010.97:116:03
2110.97:116:03
2210.97:126:04
2310.97:126:04
2410.97:136:05
2510.97:136:05
2610.97:146:06
2710.97:146:06
2810.97:146:07
2910.97:156:07
3010.97:156:08
3110.97:156:08

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.03 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 5.03 kWh/m² to a high of 7.47 kWh/m² in April across the year — December's 5.03 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in December

Hazard calendar for Ixtapan de la Sal

In seasonPeak

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

Ixtapan de la Sal's monsoon runs May–October, when most of the year's rain falls.

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

Is December a good time to visit Ixtapan de la Sal?

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

8.8
Sightseeing
1st-best month of the year
7.4
Beach & pool
4th-best month of the year

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

What to pack for Ixtapan de la Sal in December

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

In December, Ixtapan de la Sal sees daytime highs around 24°C and nights near 10°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Ixtapan de la Sal in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ixtapan de la Sal peaks around April 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 9UV 14Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7Very high

Air quality in Ixtapan de la Sal 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 Ixtapan de la Sal is worst in November — around 50 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (March, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorModeratePoorNov 1150 µg/m³Mar 1725 µg/m³
PM2.5 (µg/m³)Level
Jan38Poor
Feb30Moderate
Mar24Moderate
Apr30Moderate
May42Poor
Jun33Moderate
Jul34Moderate
Aug36Poor
Sep43Poor
Oct49Poor
Nov50Poor
Dec47Poor
Location & terrain

Where is Ixtapan de la Sal?

Ixtapan de la Sal sits at 18.8°N, 99.7°W, 1,871 m above sea level, in Mexico. The nearest listed city is Tenango de Arista, 30 km away.

Topography around Ixtapan de la Sal

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ixtapan de la Sal.

Within 3 km, the terrain around Ixtapan de la Sal has significant variations in elevation — a maximum elevation change of 477 m around an average of 1,871 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,331 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,208 m.

The land around Ixtapan de la Sal is covered by trees (50%) and grassland (20%) within 3 km, trees (55%) within 16 km, and trees (48%) and shrubs (22%) within 80 km.

3 km
477 m
16 km
1,331 m
80 km
4,208 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Tenango de Arista 30 km · Taxco de Alarcón 33 km · Santiago Tlacotepec 43 km · Capulhuac de Mirafuentes 45 km · Puente de Ixtla 46 km · San Jorge Pueblo Nuevo 46 km · Xalatlaco 46 km · Metepec 47 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 Ixtapan de la Sal (18.8437°, -99.6767°, elevation 1,871 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).