Quillacollo climate

Name: Quillacollo
Address: BO

Quillacollo is warmest in October, with average highs of 24 °C, and coldest in July, when nights average 7.7 °C. January is the wettest month (193 mm) and June the driest (6.4 mm). Figures are 1991–2020 climate normals.

Across a full year Quillacollo averages 845 mm of rain, 34 days above 25 °C and 0 days below freezing.

Bolivia · population 172,405 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month October 24 °C
Coldest month July 7.7 °C
Driest month June 6 mm
Wettest month January 193 mm
Least cloud July 30 % cloud
Hottest on record November 32 °C
Coldest on record July -0.9 °C

What to expectQuillacollo through the year

Quillacollo has a clear annual cycle: average daily highs run from 21 °C in July to 24 °C in October, a swing of 3.7 °C in mean temperature across the year.

Counted across a normal year, 34 days a year reach 25 °C, 0 of them reach 30 °C, 0 nights drop below freezing. The warmest reading in the 1991–2020 record is 32 °C, in November.

Rain is strongly seasonal. January averages 193 mm against 6 mm in June — 30 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	21.0 °C	193 mm	87 %
February	20.9 °C	179 mm	86 %
March	20.8 °C	121 mm	77 %
April	21.4 °C	44 mm	62 %
May	21.9 °C	11 mm	41 %
June	21.6 °C	6 mm	33 %
July	21.3 °C	11 mm	30 %
August	22.2 °C	18 mm	33 %
September	22.8 °C	22 mm	44 %
October	23.6 °C	39 mm	63 %
November	23.6 °C	67 mm	74 %
December	22.4 °C	134 mm	85 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C
January	21.0 °C	12.8 °C	16.5 °C	27.5 °C	5.6 °C	1
February	20.9 °C	12.8 °C	16.4 °C	28.5 °C	7.8 °C	1
March	20.8 °C	12.4 °C	16.2 °C	27.1 °C	5.4 °C	0
April	21.4 °C	11.2 °C	16.1 °C	26.4 °C	4.2 °C	1
May	21.9 °C	9.5 °C	15.5 °C	27.5 °C	2.6 °C	1
June	21.6 °C	8.1 °C	14.6 °C	26.3 °C	-0.2 °C	1
July	21.3 °C	7.7 °C	14.2 °C	26.8 °C	-0.9 °C	1
August	22.2 °C	8.6 °C	15.0 °C	28.5 °C	-0.7 °C	3
September	22.8 °C	10.0 °C	16.0 °C	29.6 °C	3.3 °C	5
October	23.6 °C	11.9 °C	17.3 °C	31.1 °C	5.9 °C	8
November	23.6 °C	12.9 °C	17.8 °C	32.0 °C	6.7 °C	9
December	22.4 °C	13.1 °C	17.3 °C	30.7 °C	5.8 °C	4

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	193 mm	23	13 h/day	87 %	75 %	8.4 km/h
February	179 mm	22	13 h/day	86 %	76 %	8.0 km/h
March	121 mm	18	12 h/day	77 %	74 %	7.9 km/h
April	44 mm	8	12 h/day	62 %	67 %	8.3 km/h
May	11 mm	2	11 h/day	41 %	57 %	9.2 km/h
June	6 mm	2	11 h/day	33 %	53 %	9.7 km/h
July	11 mm	2	11 h/day	30 %	53 %	10.0 km/h
August	18 mm	3	12 h/day	33 %	54 %	10 km/h
September	22 mm	5	12 h/day	44 %	57 %	11 km/h
October	39 mm	9	12 h/day	63 %	59 %	11 km/h
November	67 mm	12	13 h/day	74 %	62 %	11 km/h
December	134 mm	20	13 h/day	85 %	70 %	9.6 km/h

How Quillacollo compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Quillacollo	24 °C	7.7 °C	845 mm	34
Cochabamba · Bolivia	23 °C	7.5 °C	845 mm	19
Sacaba · Bolivia	22 °C	7.3 °C	1,190 mm	8
Oruro · Bolivia	19 °C	-1.4 °C	601 mm	0
Sucre · Bolivia	21 °C	4.6 °C	1,003 mm	9
La Paz · Bolivia	15 °C	0.6 °C	714 mm	0
Santa Cruz de la Sierra · Bolivia	30 °C	17 °C	1,212 mm	289

Where Quillacollo ranks

Ranking	Position	Value
Places with the best weather in South America in May	2nd of 50	96/100
Places with the best weather in South America in September	4th of 50	97/100
Places with the best weather in South America in August	10th of 50	95/100
Places with the best weather in South America year-round	11th of 50	88/100
Places with the best weather in South America in October	12th of 50	92/100
Places with the best weather in the world in September	16th of 50	97/100

Planning a trip? See the best time to visit Quillacollo.

QuestionsCommon questions about Quillacollo’s climate

When is the best time to visit Quillacollo?

That depends on what you want, so the honest answer is a comparison rather than a single month. October, November, December sit closest to 20 °C on average, October is the warmest month and June the driest. The month-by-month table above has the full picture.

How hot does Quillacollo get?

In October, the warmest month, daily highs average 24 °C. About 0 days a year pass 30 °C. The highest value in the 1991–2020 record is 32 °C.

How cold does it get in winter?

Nights average 7.7 °C in July, the coldest month. A normal year has 0 nights below freezing.

Which month is wettest in Quillacollo?

January, averaging 193 mm over 23 days with rain. The driest month is June with 6 mm. The year as a whole averages 845 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Quillacollo rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: -17.392°, -66.278° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.