Caxias climate

Name: Caxias
Address: BR

Caxias is warmest in October, with average highs of 36 °C, and coldest in March, when nights average 23 °C. March is the wettest month (346 mm) and August the driest (3.6 mm). Figures are 1991–2020 climate normals.

Across a full year Caxias averages 1,496 mm of rain and 364 days above 25 °C.

Brazil · population 163,546 · 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 36 °C
Coldest month March 23 °C
Driest month August 4 mm
Wettest month March 346 mm
Least cloud September 34 % cloud
Hottest on record October 40 °C
Coldest on record July 18 °C

What to expectCaxias through the year

Caxias has a clear annual cycle: average daily highs run from 30 °C in March to 36 °C in October, a swing of 4.6 °C in mean temperature across the year.

Counted across a normal year, 364 days a year reach 25 °C, 281 of them reach 30 °C. The warmest reading in the 1991–2020 record is 40 °C, in October.

Rain is strongly seasonal. March averages 346 mm against 4 mm in August — 98 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	30.4 °C	235 mm	79 %
February	29.8 °C	278 mm	82 %
March	29.6 °C	346 mm	83 %
April	29.6 °C	287 mm	79 %
May	30.5 °C	131 mm	64 %
June	32.2 °C	23 mm	47 %
July	33.2 °C	11 mm	41 %
August	34.7 °C	4 mm	34 %
September	36.0 °C	6 mm	34 %
October	36.2 °C	16 mm	41 %
November	34.8 °C	50 mm	58 %
December	33.0 °C	108 mm	67 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	30.4 °C	23.1 °C	26.2 °C	38.2 °C	21.3 °C	31	17
February	29.8 °C	22.9 °C	25.7 °C	35.2 °C	21.1 °C	28	13
March	29.6 °C	22.8 °C	25.6 °C	35.0 °C	21.6 °C	31	13
April	29.6 °C	22.9 °C	25.7 °C	33.4 °C	21.3 °C	30	13
May	30.5 °C	23.0 °C	26.3 °C	35.5 °C	20.1 °C	31	20
June	32.2 °C	23.0 °C	27.2 °C	36.0 °C	19.1 °C	30	27
July	33.2 °C	23.0 °C	27.8 °C	36.2 °C	18.4 °C	31	30
August	34.7 °C	23.3 °C	28.8 °C	37.9 °C	19.2 °C	31	31
September	36.0 °C	23.9 °C	29.9 °C	39.5 °C	20.0 °C	30	30
October	36.2 °C	24.4 °C	30.1 °C	40.3 °C	21.7 °C	31	31
November	34.8 °C	24.5 °C	29.3 °C	39.9 °C	21.5 °C	30	29
December	33.0 °C	24.1 °C	28.1 °C	40.1 °C	21.5 °C	31	28

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	235 mm	24	12 h/day	79 %	83 %	9.5 km/h
February	278 mm	24	12 h/day	82 %	86 %	9.2 km/h
March	346 mm	28	12 h/day	83 %	88 %	8.8 km/h
April	287 mm	25	12 h/day	79 %	88 %	8.9 km/h
May	131 mm	15	12 h/day	64 %	82 %	11 km/h
June	23 mm	5	12 h/day	47 %	67 %	13 km/h
July	11 mm	2	12 h/day	41 %	56 %	14 km/h
August	4 mm	1	12 h/day	34 %	50 %	14 km/h
September	6 mm	1	12 h/day	34 %	50 %	14 km/h
October	16 mm	3	12 h/day	41 %	54 %	14 km/h
November	50 mm	7	12 h/day	58 %	62 %	12 km/h
December	108 mm	13	12 h/day	67 %	70 %	11 km/h

Where Caxias ranks

Ranking	Position	Value
The warmest places in South America in October	2ndof 50	36 °C
The warmest places in South America in November	4thof 50	35 °C
The warmest places in South America in December	6thof 50	33 °C
The warmest places in South America year-round	10thof 50	33 °C
The warmest places in South America in September	14thof 50	36 °C
The warmest places in the world in October	14thof 50	36 °C

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

QuestionsCommon questions about Caxias’s climate

When is the best time to visit Caxias?

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

How hot does Caxias get?

In October, the warmest month, daily highs average 36 °C. About 281 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 23 °C in March, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Caxias?

March, averaging 346 mm over 28 days with rain. The driest month is August with 4 mm. The year as a whole averages 1,496 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 Caxias 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
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.