Mapastepec weather in August

In August, Mapastepec sees average daytime highs of 30°C and overnight lows near 23°C, with 354 mm of rain across 28.4 wet days and about 12.5 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 3% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Mapastepec's 10th-clearest and 11th-windiest month. For the whole year in context, see Mapastepec's year-round climate.

Daytime high
30°
9th warmest
Overnight low
23°
9th coldest
Rainfall
354 mm
28.4 wet days
Daylight
12 h 30 min
6:00 AM – 6:31 PM
Cloud cover
82%
10th clearest
Wind
4 km/h
11th windiest
Solar energy
5.71 kWh/m²
Travel score
2.9
out of 10

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

Founded
1486

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 30°C through the month.

A typical August day in Mapastepec reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How August really feels in Mapastepec

Once humidity and wind are folded in, August averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Mapastepec weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°30.911.26.0
Feb32° / 21°30.911.55.6
Mar32° / 22°72.311.95.1
Apr32° / 23°337.212.34.4
May31° / 23°1792012.73.5
Jun30° / 23°33825.812.93.0
Jul30° / 23°31428.112.82.8
Aug30° / 23°35428.412.52.9
Sep29° / 23°44927.412.13.0
Oct30° / 22°29924.911.63.4
Nov30° / 22°9011.411.35.0
Dec31° / 21°92.211.16.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 11% of August, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21684
31684
41585
51585
61684
71684
81684
91684
101684
111684
121684
131684
141684
151684
161585
171585
181585
191585
201486
211486
221486
231387
241288
251288
261288
271288
281090
291090
301090
31991

Chance of precipitation in August

Any precipitation

Mapastepec gets around 354 mm of rain over 28.4 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 91% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
292
392
492
592
692
791
891
991
1090
1190
1290
1390
1490
1590
1690
1790
1890
1991
2091
2191
2291
2392
2492
2592
2692
2792
2892
2992
3092
3191

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
108713
208713
308713
408713
508713
608812
708812
808812
908812
1008911
1108911
1209010
1309010
140919
150919
161918
171918
181918
191918
201927
210937
220937
230937
240946
250946
260946
270955
280955
290955
300955
310964

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 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
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 42 min at the start of August to 12 h 18 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 5:57 AM to 6:02 AM, and sunset from 6:39 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:576:39
212.75:576:38
312.75:576:38
412.75:586:37
512.75:586:37
612.65:586:36
712.65:586:36
812.65:586:36
912.65:596:35
1012.65:596:35
1112.65:596:34
1212.65:596:34
1312.66:006:33
1412.56:006:32
1512.56:006:32
1612.56:006:31
1712.56:006:31
1812.56:006:30
1912.56:016:29
2012.56:016:29
2112.56:016:28
2212.46:016:28
2312.46:016:27
2412.46:016:26
2512.46:016:26
2612.46:026:25
2712.46:026:24
2812.46:026:23
2912.36:026:23
3012.36:026:22
3112.36:026:21

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.71 kWh/m².

For context, solar energy here swings from a low near 5.03 kWh/m² to a high of 6.82 kWh/m² in April across the year — August's 5.71 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.4Bright
315.4Bright
Planning a trip in August

Hazard calendar for Mapastepec

In seasonPeak

In August, Mapastepec sits inside its atlantic hurricane and monsoon season. The full year is below, with each hazard's peak months called out.

Mapastepec sits in the Atlantic hurricane belt; the season peaks August–October.

Mapastepec's monsoon runs June–October, when most of the year's rain falls.

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

Is August a good time to visit Mapastepec?

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

2.9
Sightseeing
11th-best month of the year
3.9
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Mapastepec.

What to pack for Mapastepec in August

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

In August, Mapastepec sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Mapastepec in August

The nearest coast averages about 31°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 25 km away) is warmest in August at about 31°C and coldest in February near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug31Tropical
Sep30Tropical
Oct30Tropical
Nov30Tropical
Dec29Tropical

UV index in Mapastepec 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 Mapastepec peaks around April 11 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 11UV 14Dec 20UV 9
UV index (midday)Level
Jan9Very high
Feb13Extreme
Mar13Extreme
Apr14Extreme
May12Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Mapastepec 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 Mapastepec is worst in May — around 36 µg/m³ PM2.5 (poor), about 3.6× the cleanest month (January, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1335 µg/m³Jan 110 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar16Moderate
Apr30Moderate
May36Poor
Jun20Moderate
Jul22Moderate
Aug19Moderate
Sep18Moderate
Oct15Moderate
Nov12Good
Dec10Good
Location & terrain

Where is Mapastepec?

Mapastepec sits at 15.4°N, 92.9°W, 44 m above sea level, in Mexico. The nearest listed city is Pijijiapan, 43 km away.

Topography around Mapastepec

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

Within 3 km, the terrain around Mapastepec has only modest variations in elevation — a maximum elevation change of 73 m around an average of 40 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,919 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,181 m.

The land around Mapastepec is covered by grassland (69%) within 3 km, trees (49%) and grassland (48%) within 16 km, and trees (49%) and water (26%) within 80 km.

3 km
73 m
16 km
1,919 m
80 km
3,181 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
August weather nearby: Pijijiapan 43 km · Huixtla 57 km · Motozintla 70 km · Comalapa 85 km · Tapachula 90 km · Cacahoatán 93 km · Villaflores 97 km · Venustiano Carranza 107 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 Mapastepec (15.4336°, -92.9004°, elevation 44 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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. 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).