Hot
Average highs reach 34°C, so days can feel very hot.
Weather Guide
El Castaño, Mexico Average Monthly Weather
Weather score64Good annual avg
Best months: January, December, February
Across the year, average daytime temperatures are around 35°C, sunshine averages 5.8h per day, and rainfall totals about 2031mm. Sea temperatures average 30°C across the year.
Annual weather
Annual averages
Temp
35°C
Rain
2031mm
Annual total
Sun
5.8h
Sea
30°C
Weather score
64
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 325mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.5h per day, enough for a balanced month.
Warm sea
Sea temperatures average 31°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare El Castaño, Mexico with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August34°C average high
August is on the cooler side of El Castaño's year, useful if you prefer less intense daytime heat.
Warmest monthsFebruary to May
This stretch sets the upper range for average daytime heat.
Rain
August325mm average rain
August is wetter than El Castaño's yearly average, so flexible plans matter more.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.5 hours average sun
August sits close to El Castaño's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to March and November
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August31°C average sea
August is one of El Castaño's warmest sea months, when swimming comfort is usually strongest.
Warmest seaApril to November
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
Weather score
August49 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March and November to December
These months have the strongest weather score in the monthly averages.
Hotels near El Castaño, Mexico
Marriott
City Express by Marriott TapachulaTapachula, Chiapas, Mexico
City Express by Marriott ComitanComitan de Dominguez, Chiapas, Mexico
City Express Junior by Marriott Tuxtla Gutiérrez PoliforumTuxtla Gutierrez, Chiapas, Mexico
City Express by Marriott Tuxtla GutierrezTuxtla Gutierrez, Chiapas, Mexico
Marriott Tuxtla Gutierrez HotelTuxtla Gutierrez, Chiapas, Mexico