Climate averages 1991–2020

Santa Cruz de la Sierra weather
in December.

A hot, wet month: the 4th warmest and the 11th driest of the year.

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

Average high 29.2°C Daytime mean, December
Average low 21.9°C Night-time mean, December
Rainfall 165 mm 18 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Santa Cruz de la Sierra · average highYear overview

December is a hot month in Santa Cruz de la Sierra: daytime highs average 29.2°C and nights cool to about 21.9°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 165 mm of rain on roughly 18 days, which makes December a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 10 min on an average December day.

The nearest other city in this atlas is Montero (50 km away). In December its highs average 29.2°C, about as warm as Santa Cruz de la Sierra, with 239 mm of rain.

Among the 14 cities listed in Bolivia, Santa Cruz de la Sierra ranks joint 4th of 14 for the warmest December highs and 8th of 14 for the driest December (rainfall, lowest first). The mean December high of those 14 cities is 22.5°C; Santa Cruz de la Sierra is 6.7°C warmer than that mean.

From December to January, average highs rise by 0.2°C to 29.4°C, and monthly rainfall rises from 165 mm to 172 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. 101520253035 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

Santa Cruz de la Sierra climate table

1991–2020
Monthly climate averages for Santa Cruz de la Sierra, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 29.4°C22.0°C22.0°C17218.113.113 h
February 28.7°C21.7°C21.7°C14116.812.713 h
March 28.6°C21.4°C21.4°C11814.612.212 h
April 27.4°C20.2°C20.2°C6510.711.712 h
May 24.6°C18.0°C18.0°C6110.411.311 h
June 23.6°C17.0°C17.0°C538.911.111 h
July 23.8°C16.3°C16.3°C446.111.211 h
August 26.7°C17.9°C17.9°C445.311.512 h
September 28.9°C19.6°C19.6°C657.012.012 h
October 29.7°C21.1°C21.1°C8510.512.512 h
November 29.5°C21.3°C21.3°C11813.112.913 h
December, selected 29.2°C21.9°C21.9°C16517.813.213 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 Santa Cruz de la Sierra

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 Santa Cruz de la Sierra) is explained once on the Santa Cruz de la Sierra year overview and on the Sources, method and limits page.