Tonalá weather in July

In July, Tonalá sees average daytime highs of 30°C and overnight lows near 24°C, with 245 mm of rain across 26.8 wet days and about 12.9 hours of daylight. It is the 5th-warmest and 4th-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 11% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of July to 12 h 42 min by month's end. Set against the rest of the year, July is Tonalá's 9th-clearest and 11th-windiest month. For the whole year in context, see Tonalá's year-round climate.

Daytime high
30°
5th warmest
Overnight low
24°
11th coldest
Rainfall
245 mm
26.8 wet days
Daylight
12 h 54 min
5:54 AM – 6:47 PM
Cloud cover
76%
9th clearest
Wind
5 km/h
11th windiest
Solar energy
5.89 kWh/m²
Travel score
3.0
out of 10

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

Founded
1490

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical July day in Tonalá reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, July runs on par with June and on par with August.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How July really feels in Tonalá

Once humidity and wind are folded in, July 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 July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Tonalá weather by month

How July compares with the rest of the year at a glance. July is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°10.311.17.0
Feb30° / 21°20.411.56.5
Mar31° / 22°61.411.95.7
Apr32° / 23°225.912.44.8
May31° / 24°13919.912.73.5
Jun30° / 24°32826.312.93.0
Jul30° / 24°24526.812.93.0
Aug30° / 24°28827.612.52.9
Sep29° / 24°34727.812.13.0
Oct29° / 23°17118.311.64.3
Nov30° / 22°364.211.26.1
Dec30° / 21°30.611.16.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 15% of July, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22179
32179
42278
52278
62377
72476
82476
92575
102575
112674
122773
132773
142773
152773
162773
172872
182872
192773
202773
212773
222773
232773
242872
252872
262872
272872
282773
292773
302773
312773

Chance of precipitation in July

Any precipitation

Tonalá gets around 245 mm of rain over 26.8 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 86% and peaks near 88% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
288
388
488
588
687
787
887
987
1087
1187
1287
1387
1486
1586
1686
1786
1886
1986
2085
2185
2285
2385
2485
2585
2685
2785
2885
2985
3085
3186

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11963
21963
31963
41963
51963
61963
71963
81963
91963
101972
111972
121972
131972
141972
151972
161972
171972
181972
191972
201972
211972
220982
230982
240982
250982
260982
270982
280973
290973
300973
310973

Wind in July

Winds average 5 km/h in July.

Across July, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
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 July

DaylightNight

Daylight runs from about 12 h 54 min at the start of July to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over July. Sunrise moves from 5:50 AM to 5:59 AM, and sunset from 6:47 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:506:47
212.95:506:47
312.95:516:47
412.95:516:47
512.95:516:47
612.95:516:47
712.95:526:47
812.95:526:47
912.95:526:47
1012.95:536:47
1112.95:536:47
1212.95:536:47
1312.95:546:47
1412.95:546:47
1512.95:546:47
1612.95:546:47
1712.95:556:47
1812.95:556:47
1912.85:556:46
2012.85:566:46
2112.85:566:46
2212.85:566:46
2312.85:576:46
2412.85:576:45
2512.85:576:45
2612.85:586:45
2712.85:586:45
2812.85:586:44
2912.85:586:44
3012.75:596:44
3112.75:596:43

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.89 kWh/m².

For context, solar energy here swings from a low near 5.01 kWh/m² to a high of 6.84 kWh/m² in April across the year — July's 5.89 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Bright
316.0Bright
Planning a trip in July

Hazard calendar for Tonalá

In seasonPeak

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

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

Tonalá'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 July a good time to visit Tonalá?

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

3.0
Sightseeing
9th-best month of the year
4.1
Beach & pool
9th-best month of the year

July is a weaker month for outdoor sightseeing in Tonalá.

What to pack for Tonalá in July

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

In July, Tonalá sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Tonalá in July

The nearest coast averages about 30°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 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
Jan28Tropical
Feb28Warm
Mar28Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug31Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Tonalá in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tonalá peaks around June 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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 highJun 17UV 13Dec 18UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr10Very high
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Tonalá in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Tonalá is worst in May — around 27 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (January, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1426 µg/m³Jan 19 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar13Moderate
Apr22Moderate
May27Moderate
Jun18Moderate
Jul24Moderate
Aug19Moderate
Sep16Moderate
Oct12Moderate
Nov10Good
Dec9Good
Location & terrain

Where is Tonalá?

Tonalá sits at 16.1°N, 93.8°W, 50 m above sea level, in Mexico. The nearest listed city is Arriaga, 22 km away.

Topography around Tonalá

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

Within 3 km, the terrain around Tonalá has significant variations in elevation — a maximum elevation change of 461 m around an average of 86 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,930 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,439 m.

The land around Tonalá is covered by trees (53%), grassland (26%) and artificial surfaces (20%) within 3 km, trees (54%) and grassland (36%) within 16 km, and trees (41%), water (28%) and grassland (25%) within 80 km.

3 km
461 m
16 km
1,930 m
80 km
2,439 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
July weather nearby: Arriaga 22 km · Villaflores 54 km · Cintalapa de Figueroa 66 km · Pijijiapan 74 km · Ocozocoautla de Espinosa 85 km · Suchiapa 92 km · Berriozábal 94 km · Tuxtla 100 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 Tonalá (16.0901°, -93.7546°, elevation 50 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).