Climate and average weather in Tuxtla

In Tuxtla, the weather is hot, wet, and mostly clear and remarkably steady, with daytime highs holding near hot levels all year. The wettest stretch peaks around June.

Best: early January to mid March

Over the course of the year, the temperature in Tuxtla typically varies from 15°C to 31°C, and is rarely below 12°C or above 34°C. April is the hottest month of the year, while December is the coldest.

Based on the travel score, the best times of year to visit Tuxtla for warm-weather activities are from early January to mid March and early November to late December.

Hottest
Apr
31°
Coldest
Dec
15°
Wettest
Jun
369 mm
Driest
Feb
5 mm
Rain / yr
1774 mm
166 wet days
Daylight
11.0–13.0 h
shortest–longest
Elevation
535 m
16.8°N
Clearest
Feb
31% cloud

Tuxtla is capital of the state of Chiapas, Mexico.

Founded
~400 BCE

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

Tuxtla weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around early January to mid March.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in Tuxtla, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

Temperatures in Tuxtla stay fairly even through the year, without a distinct hot or cool season. The warmest month is April, with an average high of 31°C and low of 18°C; the coolest is December, with an average low of 15°C and high of 26°C.

Days typically run about 10°C warmer than nights, with the widest day–night swing (around 13°C) in March.

10°15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan2615
Feb2815
Mar2917
Apr3118
May3019
Jun2819
Jul2818
Aug2819
Sep2719
Oct2618
Nov2616
Dec2615

Average hourly temperature in Tuxtla

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on April afternoons, near 31°C, and coldest before dawn in December, near 15°C.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

Tuxtla weather by month

Every month at a glance. Click a month for its detailed page.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 15°71.911.18.5
Feb28° / 15°51.411.47.9
Mar29° / 17°112.811.96.5
Apr31° / 18°337.312.45.1
May30° / 19°15818.712.84.1
Jun28° / 19°36926.9133.6
Jul28° / 18°2942612.93.9
Aug28° / 19°32626.712.63.9
Sep27° / 19°34127.812.13.7
Oct26° / 18°17218.111.65.2
Nov26° / 16°456.511.27.4
Dec26° / 15°132118.4

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

Tuxtla gets about 1774 mm of precipitation a year. On a typical day the chance of rain is very wet, but that rises and falls sharply with the seasons.

The wetter season lasts 5.7 months, from around May 5 to Oct 25, peaking in June at about 93% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Feb 19.

June is the wettest month by volume, with 369 mm over about 27 wet days; February is the driest, with 5 mm.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecdrierwetterdriermostly drysome rainoften wetvery wetJun 21 · 93%Feb 19 · 4%
Rain on a day (%)Rain days
Jan62
Feb51
Mar93
Apr267
May6019
Jun8827
Jul8526
Aug8627
Sep9128
Oct6018
Nov227
Dec72

Monthly rainfall

Over a full year, Tuxtla collects about 1774 mm of rain across 166 wet days — roughly 148 mm in an average month.

It doesn’t fall evenly. June is the wettest month with 369 mm, while February is the driest at just 5 mm. The three wettest months alone bring about 58% of the year’s total.

050100150200250300350400JanFebMarAprMayJunJulAugSepOctNovDec7511331583692943263411724513
Rainfall (mm)Rain days
Jan72
Feb51
Mar113
Apr337
May15819
Jun36927
Jul29426
Aug32627
Sep34128
Oct17218
Nov457
Dec132

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In Tuxtla, the average share of the sky covered by clouds shows significant seasonal variation over the course of the year.

The clearer part of the year begins around October 31 and lasts for 6.4 months, ending around May 13. The clearest month is March, when the sky is clear, mostly clear, or partly cloudy 86% of the time on average.

The cloudier part of the year begins around May 14 and lasts for 5.6 months, ending around October 30. The cloudiest month is September, when it is overcast or mostly cloudy 87% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecFeb 24 · 88%Sep 13 · 12%clearmostly clearpartly cloudymostly cloudyovercastclearercloudierclearer
Clearer (%)Cloudier (%)
Jan8218
Feb8614
Mar8614
Apr7921
May5050
Jun1981
Jul2278
Aug2080
Sep1387
Oct3466
Nov6832
Dec7822

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around June 6, brings about 13 hours of light; the shortest, around January 1, only 11 hours — a swing of roughly 2 hours.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan11.16:495:55
Feb11.46:446:10
Mar11.96:266:19
Apr12.46:016:24
May12.85:456:32
Jun13.05:436:42
Jul12.95:516:45
Aug12.66:006:34
Sep12.16:046:10
Oct11.66:095:46
Nov11.26:225:34
Dec11.06:385:39

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

Tuxtla averages about 11 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 1 and 22 days.

The sunnier stretch runs 6.0 months, from around Nov 4 to May 4. The sunniest month is February, with roughly 21 sunny days (bright).

The greyest month is September, down near 1 sunny days — about 94% fewer than the February peak.

0510152025JanFebMarAprMayJunJulAugSepOctNovDecsunniergreyersunniergloomymixedbrightbrilliantFeb 2322 daysSep 171 days
Sunny daysSky
Jan19Bright
Feb19Bright
Mar21Bright
Apr16Bright
May8Gloomy
Jun2Gloomy
Jul3Gloomy
Aug2Gloomy
Sep1Gloomy
Oct6Gloomy
Nov14Mixed
Dec18Bright

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

In Tuxtla, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 6.8 months, from around April 21 to November 14. The muggiest month is June, when the air feels humid, muggy or worse about 100% of the time.

The most comfortable stretch runs from around November 15 to April 20, and January is the most comfortable month — the air is dry or comfortable 77% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJan 23 · 80%Jun 13 · 0%muggyhumidcomfortabledrycomfortablehumidcomfortable
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
Jan24542300
Feb22542400
Mar17483410
Apr72852130
May1736560
Jun0010891
Jul0013870
Aug009910
Sep017920
Oct0629650
Nov62450210
Dec13414420

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Across the year, average wind speed in Tuxtla is typically calm, near 5 km/h, and varies little with the seasons.

The windier part of the year lasts 6.6 months, from around Oct 20 to May 7. The windiest month is March, averaging about 7 km/h (calm).

The calmer part of the year runs from around May 8 to Oct 19, with June the calmest month at about 4 km/h.

0510JanFebMarAprMayJunJulAugSepOctNovDecwindiercalmerwindiercalmMar 10 · 7 km/hJun 23 · 4 km/h
Wind speed (km/h)Feels
Jan7calm
Feb7calm
Mar7calm
Apr6calm
May5calm
Jun4calm
Jul4calm
Aug4calm
Sep4calm
Oct5calm
Nov6calm
Dec6calm

Hazard calendar for Tuxtla

In seasonPeak

When the seasonal hazards worth planning around — the rainy season, tropical-cyclone risk and dust haze — are active through the year.

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

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

Best time to visit Tuxtla

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in Tuxtla throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around early March, Tuxtla is still near the tail of its best-weather window — great conditions with the peak-season crowds already thinning.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit Tuxtla for general outdoor tourist activities is from early November to mid March, with a peak score in the second week of January.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timebest timetravel scoretemperaturecloudsprecipitationJan 11 · 8.5

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan8.4ideal
Feb7.9ideal
Mar6.5good
Apr5.1fair
May4.1fair
Jun3.6fair
Jul3.9fair
Aug3.9fair
Sep3.7fair
Oct5.2fair
Nov7.4good
Dec8.3ideal

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit Tuxtla for hot-weather activities is from mid November to late April, with a peak score in the last week of February.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebest timebeach/pool scoretemperaturecloudsprecipitationFeb 27 · 8.8

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for Tuxtla, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

Tuxtla packs about the same all year — highs hold near 31°C. Across the year the things worth having are light clothes and sun protection.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In April, Tuxtla sees daytime highs around 31°C and nights near 18°C. Pack light clothes and sun protection. About 7 days see rain.

UV index (midday) in Tuxtla by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

Under clear skies, the midday UV index in Tuxtla peaks around April 11 at about 14 (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 highApr 11UV 14Dec 18UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr14Extreme
May12Extreme
Jun14Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Average hourly UV index in Tuxtla

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in April the burn window is concentrated in the middle of the day: about 8.5 hours a day reach index 3 (protection recommended), and 6.5 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan6.54
Feb7.55.5
Mar86
Apr8.56.5
May86
Jun8.56.5
Jul8.56.5
Aug8.56.5
Sep86
Oct7.55.5
Nov74.5
Dec6.53.5

Air quality in Tuxtla by month

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see which months the air is worst, not just the yearly average.

Air quality in Tuxtla is worst in April — around 38 µg/m³ PM2.5 (poor), about 3.1× the cleanest month (December, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 2337 µg/m³Dec 1612 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb21Moderate
Mar27Moderate
Apr38Poor
May37Poor
Jun21Moderate
Jul24Moderate
Aug20Moderate
Sep19Moderate
Oct15Moderate
Nov13Moderate
Dec12Moderate
Almanac & agriculture

Growing season

Chance of a frost-free dayFrost-free year round

Tuxtla is frost-free year round — even the coldest nights rarely reach freezing, so there is no start or end to the growing season.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecfrost-free year round
Frost-free chance (%)Frost nights
Jan1000
Feb1000
Mar1000
Apr1000
May1000
Jun1000
Jul1000
Aug1000
Sep1000
Oct1000
Nov1000
Dec1000

Growing degree days

Degree days (base 10°C)Frost-free shaded

Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. Tuxtla banks about 4,555 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around May.

01,0002,0003,0004,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan316
Feb321
Mar403
Apr435
May450
Jun403
Jul406
Aug405
Sep383
Oct376
Nov333
Dec324

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

Tuxtla receives about 5.3 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 4.3 and 6.6 kWh/m².

The brighter stretch of the year lasts 6.4 months, from around Feb 13 to Aug 25. The brightest month is April, averaging about 6.6 kWh/m² (intense).

The dimmest month is December, down near 4.4 kWh/m² — roughly 33% less than the April peak.

012345678JanFebMarAprMayJunJulAugSepOctNovDecdimmerbrighterdimmerdimmoderatebrightintenseApr 226.6 kWhDec 154.3 kWh
Solar energy (kWh/m²)Level
Jan4.6Bright
Feb5.4Bright
Mar6.2Intense
Apr6.6Intense
May6.2Intense
Jun5.3Bright
Jul5.7Bright
Aug5.5Bright
Sep4.8Bright
Oct4.5Bright
Nov4.4Bright
Dec4.4Bright

Where is Tuxtla?

Tuxtla sits at 16.8°N, 93.1°W, 535 m above sea level, in Mexico. The nearest listed city is Chiapas, 12 km away.

Topography around Tuxtla

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

Within 3 km, the terrain around Tuxtla has significant variations in elevation — a maximum elevation change of 292 m around an average of 570 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,373 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,840 m.

The land around Tuxtla is covered by artificial surfaces (82%) within 3 km, trees (37%), grassland (27%) and shrubs (21%) within 16 km, and trees (57%) and grassland (33%) within 80 km.

3 km
292 m
16 km
1,373 m
80 km
2,840 m
treesshrubsgrasslandcroplandartificial surfaceswater
Nearby: Chiapas 12 km · Suchiapa 14 km · Berriozábal 17 km · Ocozocoautla de Espinosa 28 km · San Cristóbal de las Casas 51 km · Villaflores 60 km · Cintalapa de Figueroa 65 km · Teopisca 72 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 Tuxtla (16.7536°, -93.1158°, elevation 535 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. 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).