Santa Bárbara d'Oeste climate

Name: Santa Bárbara d'Oeste
Address: BR

Santa Bárbara d'Oeste is warmest in February, with average highs of 29 °C, and coldest in July, when nights average 13 °C. January is the wettest month (262 mm) and August the driest (31 mm). Figures are 1991–2020 climate normals.

Across a full year Santa Bárbara d'Oeste averages 1,374 mm of rain and 267 days above 25 °C.

Brazil · population 189,456 · 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 February 29 °C
Coldest month July 13 °C
Driest month August 31 mm
Wettest month January 262 mm
Least cloud August 33 % cloud
Hottest on record October 40 °C
Coldest on record June 1.8 °C

What to expectSanta Bárbara d'Oeste through the year

Santa Bárbara d'Oeste has a clear annual cycle: average daily highs run from 24 °C in July to 29 °C in February, a swing of 6.0 °C in mean temperature across the year.

Counted across a normal year, 267 days a year reach 25 °C, 61 of them reach 30 °C. The warmest reading in the 1991–2020 record is 40 °C, in October.

Rain is strongly seasonal. January averages 262 mm against 31 mm in August — 8.4 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	28.4 °C	262 mm	74 %
February	28.6 °C	190 mm	67 %
March	27.9 °C	147 mm	59 %
April	27.0 °C	63 mm	46 %
May	24.4 °C	56 mm	46 %
June	23.8 °C	40 mm	41 %
July	24.1 °C	35 mm	38 %
August	26.1 °C	31 mm	33 %
September	27.9 °C	69 mm	45 %
October	28.5 °C	113 mm	61 %
November	28.0 °C	161 mm	63 %
December	28.5 °C	208 mm	68 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	28.4 °C	20.2 °C	23.9 °C	37.7 °C	13.6 °C	28	8
February	28.6 °C	20.2 °C	24.0 °C	37.5 °C	15.0 °C	26	8
March	27.9 °C	19.4 °C	23.2 °C	35.8 °C	14.1 °C	28	4
April	27.0 °C	17.7 °C	21.9 °C	34.1 °C	8.8 °C	24	3
May	24.4 °C	14.8 °C	19.2 °C	31.7 °C	6.8 °C	14	0
June	23.8 °C	13.4 °C	18.0 °C	30.1 °C	1.8 °C	11	0
July	24.1 °C	13.0 °C	17.9 °C	31.2 °C	2.6 °C	14	0
August	26.1 °C	13.9 °C	19.5 °C	34.2 °C	4.7 °C	21	3
September	27.9 °C	16.3 °C	21.5 °C	37.8 °C	5.5 °C	22	10
October	28.5 °C	18.0 °C	22.7 °C	39.9 °C	9.9 °C	25	11
November	28.0 °C	18.5 °C	22.8 °C	36.5 °C	11.4 °C	26	7
December	28.5 °C	19.7 °C	23.6 °C	36.6 °C	13.8 °C	28	8

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	262 mm	23	13 h/day	74 %	80 %	14 km/h
February	190 mm	19	13 h/day	67 %	79 %	13 km/h
March	147 mm	17	12 h/day	59 %	79 %	13 km/h
April	63 mm	8	12 h/day	46 %	76 %	14 km/h
May	56 mm	6	11 h/day	46 %	74 %	13 km/h
June	40 mm	4	11 h/day	41 %	74 %	13 km/h
July	35 mm	4	11 h/day	38 %	70 %	14 km/h
August	31 mm	4	11 h/day	33 %	64 %	15 km/h
September	69 mm	8	12 h/day	45 %	64 %	17 km/h
October	113 mm	13	13 h/day	61 %	70 %	17 km/h
November	161 mm	15	13 h/day	63 %	74 %	16 km/h
December	208 mm	20	14 h/day	68 %	77 %	15 km/h

How Santa Bárbara d'Oeste 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
Santa Bárbara d'Oeste	29 °C	13 °C	1,374 mm	267
Sumaré · Brazil	29 °C	13 °C	1,422 mm	265
Limeira · Brazil	29 °C	13 °C	1,515 mm	273
Piracicaba · Brazil	29 °C	13 °C	1,300 mm	276
Campinas · Brazil	28 °C	13 °C	1,405 mm	239
Itu · Brazil	28 °C	13 °C	1,310 mm	229
Mogi Guaçu · Brazil	29 °C	12 °C	1,411 mm	275

Where Santa Bárbara d'Oeste ranks

Ranking	Position	Value
Places with the best weather in South America in May	31st of 50	92/100
Places with the best weather in South America in August	44th of 50	92/100

Planning a trip? See the best time to visit Santa Bárbara d'Oeste.

QuestionsCommon questions about Santa Bárbara d'Oeste’s climate

When is the best time to visit Santa Bárbara d'Oeste?

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

How hot does Santa Bárbara d'Oeste get?

In February, the warmest month, daily highs average 29 °C. About 61 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average 13 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Santa Bárbara d'Oeste?

January, averaging 262 mm over 23 days with rain. The driest month is August with 31 mm. The year as a whole averages 1,374 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 Santa Bárbara d'Oeste 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: -22.754°, -47.414° (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.