Reforma weather in August

In August, Reforma sees average daytime highs of 33°C and overnight lows near 24°C, with 187 mm of rain across 21.9 wet days and about 12.6 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 13% of the time in August, and the air most often feels miserable.

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 Reforma's 11th-clearest and 10th-windiest month. For the whole year in context, see Reforma's year-round climate.

Daytime high
33°
5th warmest
Overnight low
24°
9th coldest
Rainfall
187 mm
21.9 wet days
Daylight
12 h 36 min
5:58 AM – 6:35 PM
Cloud cover
73%
11th clearest
Wind
7 km/h
10th windiest
Solar energy
5.5 kWh/m²
Travel score
2.4
out of 10

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

Founded
1883

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 33°C through the month.

A typical August day in Reforma reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, August runs on par with July and about 2°C warmer than September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13425
23425
33425
43425
53425
63425
73425
83425
93425
103425
113425
123325
133325
143325
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303224
313224

How August really feels in Reforma

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
31 feel dangerously hot (≥ 39°C)
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.

Reforma weather by month

How August compares with the rest of the year at a glance. August is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°11511.4116.4
Feb28° / 20°788.811.46.1
Mar31° / 21°486.611.95.1
Apr34° / 23°516.612.43.6
May34° / 25°8210.512.82.8
Jun34° / 25°18119.3132.4
Jul34° / 25°11816.2132.6
Aug33° / 24°18721.912.62.4
Sep32° / 24°24924.812.12.6
Oct30° / 23°23420.211.63.7
Nov29° / 21°15414.711.25.1
Dec27° / 20°10611.610.96.2

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 15% of August, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23763
33664
43565
53466
63466
73268
83268
93070
103070
113070
122872
132872
142872
152872
162872
172872
182773
192773
202674
212674
222476
232476
242476
252377
262377
272278
282179
292179
302179
312080

Chance of precipitation in August

Any precipitation

Reforma gets around 187 mm of rain over 21.9 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 69% and peaks near 82% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
258
359
460
561
662
763
864
964
1064
1165
1265
1366
1467
1567
1668
1769
1870
1971
2072
2173
2274
2375
2476
2577
2678
2779
2880
2981
3081
3182

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
116138
215940
315841
415742
515643
615643
715544
815445
915346
1015346
1115247
1215148
1315148
1415049
1514950
1604852
1704753
1804654
1904555
2004456
2104258
2204060
2303961
2403763
2503664
2603466
2703367
2803268
2903268
3003169
3103169

Wind in August

Winds average 7 km/h in August.

Across August, daily wind ranges from about 6 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
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:54 AM to 6:02 AM, and sunset from 6:43 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:546:43
212.85:556:43
312.85:556:42
412.85:556:42
512.85:566:41
612.75:566:41
712.75:566:40
812.75:566:40
912.75:576:39
1012.75:576:39
1112.75:576:38
1212.75:576:37
1312.75:586:37
1412.65:586:36
1512.65:586:36
1612.65:586:35
1712.65:596:34
1812.65:596:34
1912.65:596:33
2012.55:596:32
2112.56:006:32
2212.56:006:31
2312.56:006:30
2412.56:006:29
2512.56:006:29
2612.56:016:28
2712.46:016:27
2812.46:016:26
2912.46:016:25
3012.46:016:25
3112.46:026:24

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.5 kWh/m².

For context, solar energy here swings from a low near 3.58 kWh/m² to a high of 6.38 kWh/m² in April across the year — August's 5.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.4Bright
215.4Bright
225.4Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.1Bright
Planning a trip in August

Hazard calendar for Reforma

In seasonPeak

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

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

Reforma's rainy season runs June–November, when most of the year's rain falls.

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

Is August a good time to visit Reforma?

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

2.4
Sightseeing
11th-best month of the year
4.5
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Reforma.

What to pack for Reforma in August

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

In August, Reforma sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Reforma 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 Reforma peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highJun 20UV 12Jan 10UV 7
UV index (midday)Level
Jan7High
Feb10Extreme
Mar12Extreme
Apr13Extreme
May7Very high
Jun13Extreme
Jul11Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Reforma 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 Reforma is worst in May — around 77 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (January, 32 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorMay 1375 µg/m³Jan 1633 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb37Poor
Mar46Poor
Apr69Unhealthy
May77Unhealthy
Jun52Poor
Jul45Poor
Aug40Poor
Sep41Poor
Oct38Poor
Nov36Poor
Dec37Poor
Location & terrain

Where is Reforma?

Reforma sits at 17.9°N, 93.2°W, 27 m above sea level, in Mexico. The nearest listed city is Cunduacán, 23 km away.

Topography around Reforma

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

Within 3 km, the terrain around Reforma has only modest variations in elevation — a maximum elevation change of 40 m around an average of 26 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 81 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,423 m.

The land around Reforma is covered by grassland (59%) and trees (23%) within 3 km, grassland (71%) and trees (24%) within 16 km, and grassland (44%) and trees (33%) within 80 km.

3 km
40 m
16 km
81 m
80 km
2,423 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
August weather nearby: Cunduacán 23 km · Playas del Rosario 23 km · Huimanguillo 25 km · Villahermosa 27 km · Río de Teapa 28 km · Cárdenas 28 km · Taxco 35 km · Jalpa de Méndez 37 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 Reforma (17.859°, -93.1538°, elevation 27 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). 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).