Itu climate

Name: Itu
Address: BR

Itu is warmest in February, with average highs of 28 °C, and coldest in July, when nights average 13 °C. January is the wettest month (239 mm) and August the driest (35 mm). Figures are 1991–2020 climate normals.

Across a full year Itu averages 1,310 mm of rain and 229 days above 25 °C.

Brazil · population 175,047 · 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 13 °C
Driest month August 35 mm
Wettest month January 239 mm
Least cloud August 39 % cloud
Hottest on record October 40 °C
Coldest on record July 1.6 °C

What to expectItu through the year

Itu has a clear annual cycle: average daily highs run from 23 °C in July to 28 °C in February, a swing of 6.2 °C in mean temperature across the year.

Counted across a normal year, 229 days a year reach 25 °C, 38 of them reach 30 °C. The warmest reading in the 1991–2020 record is 40 °C, in October.

Rain is strongly seasonal. January averages 239 mm against 35 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	27.8 °C	239 mm	74 %
February	27.9 °C	166 mm	68 %
March	27.1 °C	127 mm	60 %
April	26.1 °C	65 mm	50 %
May	23.5 °C	62 mm	51 %
June	22.8 °C	49 mm	46 %
July	23.0 °C	44 mm	42 %
August	24.8 °C	35 mm	39 %
September	26.4 °C	80 mm	50 %
October	27.2 °C	113 mm	63 %
November	26.9 °C	141 mm	64 %
December	27.7 °C	189 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	27.8 °C	19.7 °C	23.3 °C	37.4 °C	12.7 °C	26	5
February	27.9 °C	19.7 °C	23.4 °C	38.3 °C	14.2 °C	25	4
March	27.1 °C	19.0 °C	22.5 °C	32.8 °C	13.7 °C	26	2
April	26.1 °C	17.4 °C	21.2 °C	32.7 °C	7.0 °C	21	1
May	23.5 °C	14.6 °C	18.6 °C	30.5 °C	6.0 °C	10	0
June	22.8 °C	13.1 °C	17.4 °C	28.9 °C	1.8 °C	7	0
July	23.0 °C	12.5 °C	17.2 °C	30.6 °C	1.6 °C	9	0
August	24.8 °C	13.4 °C	18.5 °C	33.5 °C	3.9 °C	17	2
September	26.4 °C	15.5 °C	20.3 °C	37.6 °C	4.8 °C	19	7
October	27.2 °C	17.2 °C	21.6 °C	39.8 °C	9.8 °C	22	8
November	26.9 °C	17.7 °C	21.8 °C	36.1 °C	10.9 °C	22	5
December	27.7 °C	19.1 °C	22.9 °C	35.4 °C	12.5 °C	26	5

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	239 mm	22	13 h/day	74 %	81 %	16 km/h
February	166 mm	18	13 h/day	68 %	81 %	15 km/h
March	127 mm	16	12 h/day	60 %	81 %	15 km/h
April	65 mm	8	12 h/day	50 %	78 %	16 km/h
May	62 mm	7	11 h/day	51 %	77 %	15 km/h
June	49 mm	5	11 h/day	46 %	77 %	15 km/h
July	44 mm	4	11 h/day	42 %	73 %	16 km/h
August	35 mm	4	11 h/day	39 %	69 %	17 km/h
September	80 mm	8	12 h/day	50 %	70 %	19 km/h
October	113 mm	13	13 h/day	63 %	74 %	19 km/h
November	141 mm	14	13 h/day	64 %	76 %	18 km/h
December	189 mm	19	14 h/day	68 %	79 %	17 km/h

How Itu 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
Itu	28 °C	13 °C	1,310 mm	229
Sorocaba · Brazil	28 °C	12 °C	1,198 mm	217
Jundiaí · Brazil	27 °C	12 °C	1,360 mm	196
Campinas · Brazil	28 °C	13 °C	1,405 mm	239
Sumaré · Brazil	29 °C	13 °C	1,422 mm	265
Barueri · Brazil	27 °C	12 °C	1,320 mm	178
Cotia · Brazil	26 °C	12 °C	1,331 mm	155

Where Itu ranks

Ranking	Position	Value
Places with the best weather in South America in July	24th of 50	95/100
Places with the best weather in South America in June	25th of 50	94/100
Places with the best weather in South America in May	28th of 50	92/100
Places with the best weather in South America in August	34th of 50	93/100

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

QuestionsCommon questions about Itu’s climate

When is the best time to visit Itu?

That depends on what you want, so the honest answer is a comparison rather than a single month. April, May, 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 Itu get?

In February, the warmest month, daily highs average 28 °C. About 38 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 Itu?

January, averaging 239 mm over 22 days with rain. The driest month is August with 35 mm. The year as a whole averages 1,310 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 Itu 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: -23.264°, -47.299° (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.