Climate averages 1991–2020

San Cristóbal de las Casas weather
in October.

A mild, very wet month: the 9th warmest and the 8th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 19.9°C Daytime mean, October
Average low 12.5°C Night-time mean, October
Rainfall 230 mm 18 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in San Cristóbal de las Casas · average highYear overview

October is a mild month in San Cristóbal de las Casas: daytime highs average 19.9°C and nights cool to about 12.5°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 230 mm of rain on roughly 18 days, which makes October a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 46 min on an average October day.

The nearest other city in this atlas is Tuxtla (51 km away). In October its highs average 27.5°C, 7.6°C warmer than San Cristóbal de las Casas, with 172 mm of rain.

Among the 153 cities listed in Mexico, San Cristóbal de las Casas ranks joint 144th of 153 for the warmest October highs and 146th of 153 for the driest October (rainfall, lowest first). The mean October high of those 153 cities is 25.7°C; San Cristóbal de las Casas is 5.8°C cooler than that mean.

From October to November, average highs fall by 0.4°C to 19.5°C, and monthly rainfall falls from 230 mm to 58 mm.

The annual picture

October in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 51015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 5000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

San Cristóbal de las Casas climate table

1991–2020
Monthly climate averages for San Cristóbal de las Casas, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 19.6°C9.7°C9.7°C122.611.211 h
February 21.3°C10.1°C10.1°C7.31.811.612 h
March 22.9°C11.0°C11.0°C173.712.012 h
April 23.4°C12.2°C12.2°C508.612.513 h
May 22.2°C13.0°C13.0°C22319.212.913 h
June 20.8°C13.3°C13.3°C48625.713.113 h
July 21.0°C12.8°C12.8°C30021.613.013 h
August 21.0°C12.9°C12.9°C36323.212.713 h
September 20.3°C13.1°C13.1°C42926.312.212 h
October, selected 19.9°C12.5°C12.5°C23018.111.812 h
November 19.5°C11.1°C11.1°C587.911.411 h
December 19.7°C10.2°C10.2°C182.511.211 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

October in nearby cities

Distance from San Cristóbal de las Casas

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for San Cristóbal de las Casas) is explained once on the San Cristóbal de las Casas year overview and on the Sources, method and limits page.