Climate averages 1991–2020

Heroica Ciudad de Juchitán de Zaragoza weather
in December.

A hot, very dry month: the 11th warmest and the 3rd driest of the year. Meets the pleasant-weather rule

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

Average high 28.6°C Daytime mean, December
Average low 21.3°C Night-time mean, December
Rainfall 3.7 mm 1 day with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Heroica Ciudad de Juchitán de Zaragoza · average highYear overview

December is a hot month in Heroica Ciudad de Juchitán de Zaragoza: daytime highs average 28.6°C and nights cool to about 21.3°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 3.7 mm of rain on roughly 1 day, which makes December a very dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 10 min on an average December day.

The nearest other city in this atlas is Salina Cruz (34 km away). In December its highs average 29.0°C, about as warm as Heroica Ciudad de Juchitán de Zaragoza, with 3.8 mm of rain.

Among the 153 cities listed in Mexico, Heroica Ciudad de Juchitán de Zaragoza ranks 14th of 153 for the warmest December highs and 5th of 153 for the driest December (rainfall, lowest first). The mean December high of those 153 cities is 22.7°C; Heroica Ciudad de Juchitán de Zaragoza is 5.9°C warmer than that mean.

From December to January, average highs fall by 0.3°C to 28.3°C, and monthly rainfall falls from 3.7 mm to 3.4 mm.

The annual picture

December 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. 152025303540 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 2000

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

Every month, side by side

Heroica Ciudad de Juchitán de Zaragoza climate table

1991–2020
Monthly climate averages for Heroica Ciudad de Juchitán de Zaragoza, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.3°C20.5°C20.5°C3.40.911.311 h
February 29.9°C21.0°C21.0°C3.00.911.612 h
March 31.5°C22.3°C22.3°C4.41.312.012 h
April 33.0°C24.0°C24.0°C6.71.812.512 h
May 33.3°C24.9°C24.9°C519.212.913 h
June 31.4°C24.6°C24.6°C18917.513.113 h
July 32.1°C24.9°C24.9°C10712.713.013 h
August 32.1°C24.8°C24.8°C14615.412.713 h
September 30.7°C24.3°C24.3°C19517.212.212 h
October 30.1°C23.8°C23.8°C758.711.812 h
November 29.2°C22.6°C22.6°C142.311.411 h
December, selected 28.6°C21.3°C21.3°C3.71.011.211 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

December in nearby cities

Distance from Heroica Ciudad de Juchitán de Zaragoza

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 Heroica Ciudad de Juchitán de Zaragoza) is explained once on the Heroica Ciudad de Juchitán de Zaragoza year overview and on the Sources, method and limits page.