São José dos Campos climate

Name: São José dos Campos
Address: BR

São José dos Campos is warmest in February, with average highs of 28 °C, and coldest in July, when nights average 12 °C. January is the wettest month (229 mm) and August the driest (34 mm). Figures are 1991–2020 climate normals.

Across a full year São José dos Campos averages 1,276 mm of rain and 214 days above 25 °C.

Brazil · 600 m elevation · population 727,078 · 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 28 °C
Coldest month July 12 °C
Driest month August 34 mm
Wettest month January 229 mm
Least cloud August 48 % cloud
Hottest on record October 38 °C
Coldest on record June 2.6 °C

What to expectSão José dos Campos through the year

São José dos Campos has a clear annual cycle: average daily highs run from 23 °C in July to 28 °C in February, a swing of 6.5 °C in mean temperature across the year.

Counted across a normal year, 214 days a year reach 25 °C, 36 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in October.

Rain is strongly seasonal. January averages 229 mm against 34 mm in August — 6.8 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	27.6 °C	229 mm	77 %
February	28.0 °C	173 mm	72 %
March	26.9 °C	142 mm	68 %
April	25.8 °C	59 mm	61 %
May	23.3 °C	57 mm	59 %
June	22.8 °C	38 mm	52 %
July	22.8 °C	43 mm	49 %
August	24.2 °C	34 mm	48 %
September	25.7 °C	76 mm	60 %
October	26.5 °C	108 mm	71 %
November	26.3 °C	142 mm	73 %
December	27.3 °C	174 mm	74 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	27.6 °C	19.5 °C	23.1 °C	36.2 °C	13.1 °C	25	6
February	28.0 °C	19.6 °C	23.3 °C	35.3 °C	13.4 °C	24	5
March	26.9 °C	18.9 °C	22.3 °C	32.6 °C	13.6 °C	24	3
April	25.8 °C	17.3 °C	21.0 °C	32.5 °C	10.0 °C	19	1
May	23.3 °C	14.4 °C	18.3 °C	30.0 °C	7.3 °C	10	0
June	22.8 °C	12.7 °C	17.2 °C	30.4 °C	2.6 °C	7	0
July	22.8 °C	12.0 °C	16.8 °C	30.1 °C	3.6 °C	9	0
August	24.2 °C	12.9 °C	17.9 °C	33.5 °C	4.1 °C	15	1
September	25.7 °C	15.0 °C	19.7 °C	36.1 °C	5.2 °C	17	6
October	26.5 °C	16.8 °C	21.1 °C	38.0 °C	8.5 °C	20	6
November	26.3 °C	17.5 °C	21.4 °C	36.4 °C	10.2 °C	20	4
December	27.3 °C	18.8 °C	22.6 °C	34.1 °C	12.9 °C	24	5

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	229 mm	22	13 h/day	77 %	82 %	12 km/h
February	173 mm	19	13 h/day	72 %	81 %	12 km/h
March	142 mm	18	12 h/day	68 %	83 %	12 km/h
April	59 mm	9	12 h/day	61 %	81 %	12 km/h
May	57 mm	8	11 h/day	59 %	80 %	12 km/h
June	38 mm	5	11 h/day	52 %	79 %	11 km/h
July	43 mm	5	11 h/day	49 %	77 %	12 km/h
August	34 mm	5	11 h/day	48 %	75 %	13 km/h
September	76 mm	10	12 h/day	60 %	75 %	14 km/h
October	108 mm	14	13 h/day	71 %	78 %	14 km/h
November	142 mm	16	13 h/day	73 %	80 %	14 km/h
December	174 mm	20	14 h/day	74 %	81 %	13 km/h

How São José dos Campos 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
São José dos Campos	28 °C	12 °C	1,276 mm	214
Taubaté · Brazil	28 °C	12 °C	1,489 mm	215
Pindamonhangaba · Brazil	29 °C	12 °C	1,482 mm	236
Itaquaquecetuba · Brazil	27 °C	12 °C	1,448 mm	169
Bragança Paulista · Brazil	27 °C	12 °C	1,379 mm	182
Guarulhos · Brazil	27 °C	12 °C	1,383 mm	163
São Paulo · Brazil	27 °C	12 °C	1,288 mm	172

Where São José dos Campos ranks

Ranking	Position	Value
Places with the best weather in South America in August	31st of 50	93/100
Places with the best weather in South America in July	42nd of 50	94/100
Places with the best weather in South America in June	42nd of 50	93/100

Planning a trip? See the best time to visit São José dos Campos.

QuestionsCommon questions about São José dos Campos’s climate

When is the best time to visit São José dos Campos?

That depends on what you want, so the honest answer is a comparison rather than a single month. April, September, October 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 São José dos Campos get?

In February, the warmest month, daily highs average 28 °C. About 36 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average 12 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in São José dos Campos?

January, averaging 229 mm over 22 days with rain. The driest month is August with 34 mm. The year as a whole averages 1,276 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 São José dos Campos 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: -23.179°, -45.887° , 600 m above sea level (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.