São José de Ribamar climate

Name: São José de Ribamar
Address: BR

São José de Ribamar is warmest in September, with average highs of 30 °C, and coldest in March, when nights average 25 °C. March is the wettest month (434 mm) and September the driest (12 mm). Figures are 1991–2020 climate normals.

Across a full year São José de Ribamar averages 2,062 mm of rain and 365 days above 25 °C.

Brazil · population 259,164 · 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 September 30 °C
Coldest month March 25 °C
Driest month September 12 mm
Wettest month March 434 mm
Least cloud August 34 % cloud
Hottest on record September 33 °C
Coldest on record January 23 °C
Warmest sea May 29 °C

What to expectSão José de Ribamar through the year

São José de Ribamar changes little through the year. Average daily highs stay between 28 and 30 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 365 days a year reach 25 °C, 52 of them reach 30 °C. The warmest reading in the 1991–2020 record is 33 °C, in September.

Rain is strongly seasonal. March averages 434 mm against 12 mm in September — 35 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off São José de Ribamar is warmest in May at 29 °C and coldest in October at 27 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	28.3 °C	235 mm	78 %
February	28.0 °C	309 mm	82 %
March	27.8 °C	434 mm	86 %
April	28.0 °C	430 mm	85 %
May	28.5 °C	287 mm	70 %
June	28.8 °C	122 mm	50 %
July	28.9 °C	77 mm	41 %
August	29.7 °C	21 mm	34 %
September	29.9 °C	12 mm	34 %
October	29.8 °C	19 mm	42 %
November	29.6 °C	34 mm	55 %
December	29.2 °C	82 mm	64 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	28.3 °C	25.0 °C	26.4 °C	31.4 °C	22.7 °C	31	1
February	28.0 °C	24.6 °C	26.1 °C	30.6 °C	22.9 °C	28	0
March	27.8 °C	24.5 °C	25.9 °C	30.7 °C	23.0 °C	31	0
April	28.0 °C	24.6 °C	26.1 °C	30.9 °C	22.9 °C	30	1
May	28.5 °C	25.0 °C	26.5 °C	31.1 °C	23.1 °C	31	1
June	28.8 °C	25.1 °C	26.6 °C	31.3 °C	23.1 °C	30	2
July	28.9 °C	25.1 °C	26.7 °C	32.6 °C	22.9 °C	31	3
August	29.7 °C	25.6 °C	27.1 °C	33.2 °C	23.8 °C	31	10
September	29.9 °C	25.7 °C	27.3 °C	33.3 °C	23.6 °C	30	12
October	29.8 °C	25.9 °C	27.3 °C	32.2 °C	23.7 °C	31	10
November	29.6 °C	25.9 °C	27.4 °C	31.6 °C	24.3 °C	30	8
December	29.2 °C	25.8 °C	27.2 °C	31.8 °C	23.5 °C	31	4

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	235 mm	25	12 h/day	78 %	83 %	15 km/h	28.1 °C
February	309 mm	26	12 h/day	82 %	85 %	14 km/h	28.3 °C
March	434 mm	30	12 h/day	86 %	86 %	13 km/h	28.4 °C
April	430 mm	28	12 h/day	85 %	86 %	13 km/h	28.7 °C
May	287 mm	26	12 h/day	70 %	85 %	13 km/h	28.8 °C
June	122 mm	18	12 h/day	50 %	82 %	13 km/h	28.7 °C
July	77 mm	14	12 h/day	41 %	80 %	14 km/h	28.3 °C
August	21 mm	6	12 h/day	34 %	76 %	17 km/h	27.9 °C
September	12 mm	3	12 h/day	34 %	75 %	20 km/h	27.5 °C
October	19 mm	4	12 h/day	42 %	75 %	20 km/h	27.4 °C
November	34 mm	6	12 h/day	55 %	76 %	19 km/h	27.7 °C
December	82 mm	14	12 h/day	64 %	79 %	18 km/h	27.9 °C

Where São José de Ribamar ranks

Ranking	Position	Value
Best beach destinations in the world in September	45th of 50	95/100
The driest places in South America in September	46th of 50	12 mm
Best beach destinations in the world in October	48th of 50	94/100

Planning a trip? See the best time to visit São José de Ribamar.

QuestionsCommon questions about São José de Ribamar’s climate

When is the best time to visit São José de Ribamar?

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, September is the warmest month and September the driest. The month-by-month table above has the full picture.

How hot does São José de Ribamar get?

In September, the warmest month, daily highs average 30 °C. About 52 days a year pass 30 °C. The highest value in the 1991–2020 record is 33 °C.

How cold does it get in winter?

Nights average 25 °C in March, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in São José de Ribamar?

March, averaging 434 mm over 30 days with rain. The driest month is September with 12 mm. The year as a whole averages 2,062 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 de Ribamar 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: -2.556°, -44.060° (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.