Yajalón weather in August

In August, Yajalón sees average daytime highs of 29°C and overnight lows near 19°C, with 242 mm of rain across 24.5 wet days and about 12.6 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 13% of the time in August, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Yajalón's 9th-clearest and 8th-windiest month. For the whole year in context, see Yajalón's year-round climate.

Daytime high
29°
4th warmest
Overnight low
19°
9th coldest
Rainfall
242 mm
24.5 wet days
Daylight
12 h 36 min
5:56 AM – 6:31 PM
Cloud cover
73%
9th clearest
Wind
4 km/h
8th windiest
Solar energy
5.87 kWh/m²
Travel score
3.6
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 August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical August day in Yajalón reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, August runs on par with July and about 1°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12919
22919
32919
42919
52919
62919
72919
82919
92919
102919
112919
122919
132919
142919
152919
162919
172919
182919
192919
202919
212919
222919
232919
242919
252919
262919
272919
282919
292919
302919
312919

Yajalón weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 4th-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 71%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23763
33763
43664
53466
63466
73367
83268
93169
103169
113070
123070
133070
142971
152872
162872
172872
182872
192872
202773
212773
222773
232773
242674
252575
262476
272476
282476
292377
302278
312278

Chance of precipitation in August

Any precipitation

Yajalón gets around 242 mm of rain over 24.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 79% and peaks near 89% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
169
270
370
471
572
672
773
873
974
1074
1174
1275
1375
1476
1577
1678
1778
1879
1980
2081
2182
2283
2383
2484
2585
2686
2787
2887
2988
3089
3189

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
16868
26859
368410
468410
568311
668311
768311
868212
968212
1068311
1168311
1268311
1368311
1468311
1568311
1668311
1768212
1858312
1958213
2058213
2148214
2248115
2338116
2438017
2538017
2628018
2727919
2827919
2927919
3027919
3127919

Wind in August

Winds average 4 km/h in August.

Across August, daily wind ranges from about 4 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
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 48 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over August. Sunrise moves from 5:52 AM to 5:59 AM, and sunset from 6:39 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:526:39
212.85:526:38
312.85:536:38
412.75:536:37
512.75:536:37
612.75:536:37
712.75:546:36
812.75:546:36
912.75:546:35
1012.75:556:34
1112.75:556:34
1212.65:556:33
1312.65:556:33
1412.65:556:32
1512.65:566:32
1612.65:566:31
1712.65:566:30
1812.65:566:30
1912.55:576:29
2012.55:576:28
2112.55:576:28
2212.55:576:27
2312.55:576:26
2412.55:586:25
2512.45:586:25
2612.45:586:24
2712.45:586:23
2812.45:586:22
2912.45:586:22
3012.45:596:21
3112.45:596:20

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.87 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 — August's 5.87 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.0Intense
106.0Intense
116.0Intense
126.0Bright
136.0Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.7Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in August

Is August a good time to visit Yajalón?

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

3.6
Sightseeing
10th-best month of the year
4.7
Beach & pool
9th-best month of the year

August is a weaker month for outdoor sightseeing in Yajalón.

What to pack for Yajalón in August

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

In August, Yajalón sees daytime highs around 29°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Yajalón in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).