Yajalón weather in January

In January, Yajalón sees average daytime highs of 24°C and overnight lows near 14°C, with 150 mm of rain across 13.8 wet days and about 11.1 hours of daylight. It is the 12th-warmest and 8th-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 37% of the time in January, and the air most often feels humid.

Daylight stretches from about 11 hours at the start of January to 11 h 12 min by month's end. Set against the rest of the year, January is Yajalón's 5th-clearest and 5th-windiest month. For the whole year in context, see Yajalón's year-round climate.

Daytime high
24°
12th warmest
Overnight low
14°
1st coldest
Rainfall
150 mm
13.8 wet days
Daylight
11 h 06 min
6:46 AM – 5:51 PM
Cloud cover
54%
5th clearest
Wind
5 km/h
5th windiest
Solar energy
4.1 kWh/m²
Travel score
6.5
out of 10

Yajalón is municipal seat of Yajalón, State of Chiapas, Mexico.

Founded
1562

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Yajalón reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12415
22415
32415
42414
52414
62414
72414
82414
92414
102414
112414
122414
132414
142414
152414
162414
172414
182414
192414
202414
212414
222414
232414
242414
252414
262414
272414
282414
292414
302414
312414

Yajalón weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 14°15013.811.16.5
Feb26° / 15°9610.111.46.8
Mar28° / 16°839.311.96.6
Apr30° / 18°9510.512.45.2
May30° / 19°15616.912.84.1
Jun29° / 20°29224.2133.5
Jul29° / 19°18220.912.94.0
Aug29° / 19°24224.512.63.6
Sep28° / 19°30627.612.13.4
Oct27° / 19°26323.711.64.4
Nov25° / 17°19416.611.25.7
Dec24° / 15°13713.8116.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25149
35149
45149
55149
65149
75248
85248
95248
105347
115248
125347
135446
145446
155545
165545
175545
185545
195446
205446
215446
225446
235545
245545
255644
265644
275644
285743
295743
305842
315842

Chance of precipitation in January

Any precipitation

Yajalón gets around 150 mm of rain over 13.8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 47% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
447
547
646
746
846
946
1046
1145
1245
1344
1444
1544
1644
1744
1844
1943
2043
2143
2242
2342
2442
2541
2641
2741
2841
2942
3042
3142

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the humid band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14206016
25206015
35206015
45206015
55206114
65206114
76216013
86216013
96226012
106236011
116236011
127245811
137245910
147255810
157255810
167255810
176255910
186255910
196255910
206255910
216246010
225246110
235246011
244236211
254236211
264226212
274216312
284216312
293216412
303206413
313206413

Wind in January

Winds average 5 km/h in January.

Across January, 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 January

DaylightNight

Daylight runs from about 11 hours at the start of January to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:43 AM to 6:46 AM, and sunset from 5:42 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:435:42
211.06:435:43
311.06:435:43
411.06:445:44
511.06:445:44
611.06:445:45
711.06:455:46
811.06:455:46
911.06:455:47
1011.06:455:47
1111.06:465:48
1211.06:465:49
1311.16:465:49
1411.16:465:50
1511.16:465:50
1611.16:465:51
1711.16:465:52
1811.16:465:52
1911.16:475:53
2011.16:475:53
2111.16:475:54
2211.16:475:54
2311.16:475:55
2411.26:475:56
2511.26:475:56
2611.26:465:57
2711.26:465:57
2811.26:465:58
2911.26:465:58
3011.26:465:59
3111.26:465:59

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.1 kWh/m².

For context, solar energy here swings from a low near 4.06 kWh/m² to a high of 6.51 kWh/m² in April across the year — January's 4.1 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.5Bright
Planning a trip in January

Is January a good time to visit Yajalón?

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

6.5
Sightseeing
3rd-best month of the year
5.5
Beach & pool
6th-best month of the year

January is a reasonable time to visit Yajalón for sightseeing.

What to pack for Yajalón in January

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

In January, Yajalón sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes and rain gear. About 14 days see rain.

light clothesrain gear

UV index in Yajalón in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yajalón peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 12UV 14Dec 19UV 8
UV index (midday)Level
Jan8Very high
Feb12Extreme
Mar13Extreme
Apr14Extreme
May10Very high
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Yajalón in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Yajalón is worst in April — around 80 µg/m³ PM2.5 (unhealthy), about 6.5× the cleanest month (December, 12 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateApr 2379 µg/m³Dec 2212 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar20Moderate
Apr80Unhealthy
May77Unhealthy
Jun27Moderate
Jul26Moderate
Aug22Moderate
Sep21Moderate
Oct17Moderate
Nov15Moderate
Dec12Moderate
Location & terrain

Where is Yajalón?

Yajalón sits at 17.2°N, 92.3°W, 797 m above sea level, in Mexico. The nearest listed city is Ocosingo, 39 km away.

Topography around Yajalón

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

Within 3 km, the terrain around Yajalón has large variations in elevation — a maximum elevation change of 961 m around an average of 1,037 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,160 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,873 m.

The land around Yajalón is covered by trees (72%) and grassland (21%) within 3 km, trees (82%) within 16 km, and trees (68%) and grassland (30%) within 80 km.

3 km
961 m
16 km
2,160 m
80 km
2,873 m
treesgrasslandartificial surfaceswater
January weather nearby: Ocosingo 39 km · Palenque 53 km · San Cristóbal de las Casas 59 km · Macuspana 71 km · Teopisca 72 km · Teapa 78 km · Emiliano Zapata 87 km · Chiapas 89 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 Yajalón (17.1729°, -92.3339°, elevation 797 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).