Tonalá in Fall
In fall (September, October and November), Tonalá sees average daytime highs around 29°C and overnight lows near 23°C, with 555 mm of rain over about 50 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 31% of the time across fall, and the air most often feels oppressive.
Fall is Tonalá's 3rd-best season to visit on our travel score. For the whole year in context, see Tonalá's year-round climate.
- Avg daytime high
- 29°C
- coldest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 555 mm
- 50 wet days
- Avg wind
- 9 km/h
- Travel score
- 4.5
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Tonalá in Fall
Across fall, daytime highs hold fairly steady around 29°C.
A typical fall day in Tonalá reaches about 29°C and drops to 23°C overnight. The warmest of the three months is November, the coolest November.
How fall really feels in Tonalá
Once humidity and wind are folded in, fall brings about 48 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Tonalá weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 21° | 1 | 0.3 | 11.1 | 7.0 |
| Feb | 30° / 21° | 2 | 0.4 | 11.5 | 6.5 |
| Mar | 31° / 22° | 6 | 1.4 | 11.9 | 5.7 |
| Apr | 32° / 23° | 22 | 5.9 | 12.4 | 4.8 |
| May | 31° / 24° | 139 | 19.9 | 12.7 | 3.5 |
| Jun | 30° / 24° | 328 | 26.3 | 12.9 | 3.0 |
| Jul | 30° / 24° | 245 | 26.8 | 12.9 | 3.0 |
| Aug | 30° / 24° | 288 | 27.6 | 12.5 | 2.9 |
| Sep | 29° / 24° | 347 | 27.8 | 12.1 | 3.0 |
| Oct | 29° / 23° | 171 | 18.3 | 11.6 | 4.3 |
| Nov | 30° / 22° | 36 | 4.2 | 11.2 | 6.1 |
| Dec | 30° / 21° | 3 | 0.6 | 11.1 | 6.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 31% of the time across fall.
Chance of precipitation in Fall
Tonalá gets around 555 mm of rain over 50 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 9 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 18 min in early September to 11 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.1 kWh/m².
Hazard calendar for Tonalá
In fall, Tonalá overlaps 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.
Is fall a good time to visit Tonalá?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Tonalá for sightseeing.
What to pack for Tonalá in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Tonalá sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 50 days see rain.
Sea temperature near Tonalá in Fall
The nearest coast averages about 29°C across fall — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 28 | 29 | 30 | 30 | 30 | 31 | 30 | 29 | 29 | 29 |
| Comfort | Tropical | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Warm |
| Mar | 28 | Tropical |
| Apr | 29 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 31 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Tonalá in Fall
Clear-sky midday UV across fall averages 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 12 | 13 | 10 | 12 | 13 | 12 | 12 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Very high |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Tonalá in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 9 | 13 | 22 | 27 | 18 | 24 | 19 | 16 | 12 | 10 | 9 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 9 | Good |
| Mar | 13 | Moderate |
| Apr | 22 | Moderate |
| May | 27 | Moderate |
| Jun | 18 | Moderate |
| Jul | 24 | Moderate |
| Aug | 19 | Moderate |
| Sep | 16 | Moderate |
| Oct | 12 | Moderate |
| Nov | 10 | Good |
| Dec | 9 | Good |
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.
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
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.