Tonalá weather in October

In October, Tonalá sees average daytime highs of 29°C and overnight lows near 23°C, with 171 mm of rain across 18.3 wet days and about 11.6 hours of daylight. It is the 11th-warmest and 5th-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 25% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 24 min by month's end. Set against the rest of the year, October is Tonalá's 8th-clearest and 7th-windiest month. For the whole year in context, see Tonalá's year-round climate.

Daytime high
29°
11th warmest
Overnight low
23°
7th coldest
Rainfall
171 mm
18.3 wet days
Daylight
11 h 36 min
6:11 AM – 5:49 PM
Cloud cover
65%
8th clearest
Wind
8 km/h
7th windiest
Solar energy
5.03 kWh/m²
Travel score
4.3
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 October

Average highAverage lowShaded bands: 10–90% of days

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

A typical October day in Tonalá reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°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, October runs on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
263023
273023
283023
293023
303023
313023

How October really feels in Tonalá

Once humidity and wind are folded in, October averages 18 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
18
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Tonalá weather by month

How October compares with the rest of the year at a glance. October is the 11th-warmest and 5th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
32278
42377
52575
62575
72773
82872
92971
103070
113169
123268
133367
143466
153664
163763
173961
184159
194258
204456
214555
224852
235050
245248
255446
265644
275842
285941
296139
306238
316436

Chance of precipitation in October

Any precipitation

Tonalá gets around 171 mm of rain over 18.3 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 60% and peaks near 84% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
184
282
381
479
578
676
775
873
972
1070
1169
1267
1366
1464
1562
1661
1759
1857
1955
2053
2151
2250
2348
2446
2544
2643
2741
2839
2938
3036
3134

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 70% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10111871
20212851
30213841
40213841
50214831
60314821
70315811
80315811
90316801
100416791
110417781
120418771
130519751
140520741
150521731
160622711
170623701
180725671
190726661
200827641
211828621
221929610
231930600
241930600
2511031580
2621032560
2721032560
2821133540
2921134530
3031234510
3131235500

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 7 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over October. Sunrise moves from 6:08 AM to 6:16 AM, and sunset from 6:00 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:086:00
211.86:085:59
311.86:095:58
411.86:095:57
511.86:095:57
611.86:095:56
711.86:095:55
811.76:095:54
911.76:105:54
1011.76:105:53
1111.76:105:52
1211.76:105:52
1311.76:105:51
1411.76:115:50
1511.66:115:50
1611.66:115:49
1711.66:115:48
1811.66:125:48
1911.66:125:47
2011.66:125:47
2111.66:125:46
2211.56:135:45
2311.56:135:45
2411.56:135:44
2511.56:145:44
2611.56:145:43
2711.56:145:43
2811.56:155:43
2911.46:155:42
3011.46:155:42
3111.46:165:41

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.03 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 — October's 5.03 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in October

Hazard calendar for Tonalá

In seasonPeak

In October, 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 October a good time to visit Tonalá?

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

4.3
Sightseeing
7th-best month of the year
5.6
Beach & pool
7th-best month of the year

October is a reasonable time to visit Tonalá for sightseeing.

What to pack for Tonalá in October

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

In October, Tonalá sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Tonalá in October

The nearest coast averages about 29°C in October — 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 October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (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 October

GoodModeratePoorUnhealthyVery unhealthy

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