Weather in Santa Cruz de la Sierra

Santa Cruz de la Sierra is in Bolivia at 17.8°S. The 2001–2020 NASA POWER daily record describes a monsoon climate with a sharp wet-dry split. Rain is the monsoon runs from November to April, inside an annual total of 1139 mm. The wettest month is January at 169 mm; the driest is July at 38 mm.

October is the warmest month (average 27.5°C, high 33.1°C) and June is the coolest (average 21.2°C, low 16.3°C). From the coolest night in June (15.7°C) to the hottest afternoon in October (33.1°C), the raw range is 17.4°C. On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are May, July, and August.

Best months to visit Santa Cruz de la Sierra

The three months with the highest comfort score are May, July, and August: May (22.1°C average, 85 mm, 71% humidity); July (21.2°C average, 38 mm, 61% humidity); August (23.4°C average, 40 mm, 51% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you want the monsoon itself — fewer crowds, greener landscape, heavier rain — aim at November–April instead of the score.

How warm Santa Cruz de la Sierra gets

Santa Cruz de la Sierra has a 6.3°C gap between its coolest monthly average (21.2°C in June) and its warmest (27.5°C in October). That is a southern-hemisphere pattern.

Mean high across all twelve months is 29.9°C and mean low is 19.8°C. These are 20-year grid averages, so a city station can read a few degrees warmer or cooler.

When Santa Cruz de la Sierra gets wet

The monsoon in Santa Cruz de la Sierra starts in November and ends in April (November, December, January, February, March, and April). January is the core of it at 169 mm. July is the other extreme, with 38 mm.

A rainy day here is a day with at least 1 mm in the NASA POWER series. January averages 18 such days; July averages 5.

What stands out month by month

January is the wettest month — 169 mm and 18 rainy days, with 73% humidity. The year bottoms out in June. Plan for 16.3°C at night and 26.1°C in the afternoon.

July is the driest month, averaging only 38 mm across 5 rainy days. Highs sit near 26.7°C. Peak heat arrives in October: 33.1°C by day, 22.0°C at night, and 56% humidity.

How Santa Cruz de la Sierra compares inside Bolivia

Santa Cruz de la Sierra is the only Bolivia city in this dataset, so the figures on this page are the national sample we publish. They still come from the same NASA POWER daily series (2001–2020) used everywhere else on the site.