Porto Seguro climate

Name: Porto Seguro
Address: BR

Porto Seguro is warmest in February, with average highs of 29 °C, and coldest in August, when nights average 20 °C. November is the wettest month (160 mm) and September the driest (54 mm). Figures are 1991–2020 climate normals.

Across a full year Porto Seguro averages 1,077 mm of rain and 299 days above 25 °C.

Brazil · population 182,630 · 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 August 20 °C
Driest month September 54 mm
Wettest month November 160 mm
Least cloud August 50 % cloud
Hottest on record January 36 °C
Coldest on record July 16 °C
Warmest sea April 28 °C

What to expectPorto Seguro through the year

Porto Seguro has a clear annual cycle: average daily highs run from 25 °C in August to 29 °C in February, a swing of 3.8 °C in mean temperature across the year.

Counted across a normal year, 299 days a year reach 25 °C, 35 of them reach 30 °C. The warmest reading in the 1991–2020 record is 36 °C, in January.

Rain is strongly seasonal. November averages 160 mm against 54 mm in September — 3.0 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Porto Seguro is warmest in April at 28 °C and coldest in August at 25 °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	29.0 °C	78 mm	62 %
February	29.3 °C	72 mm	56 %
March	29.1 °C	115 mm	61 %
April	28.0 °C	103 mm	57 %
May	26.6 °C	89 mm	55 %
June	25.5 °C	71 mm	52 %
July	24.8 °C	65 mm	51 %
August	25.0 °C	56 mm	50 %
September	26.1 °C	54 mm	53 %
October	27.1 °C	98 mm	60 %
November	27.7 °C	160 mm	71 %
December	28.7 °C	117 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	29.0 °C	23.9 °C	26.0 °C	35.5 °C	21.1 °C	31	7
February	29.3 °C	23.9 °C	26.2 °C	33.9 °C	19.9 °C	28	8
March	29.1 °C	23.9 °C	26.1 °C	33.5 °C	20.9 °C	31	7
April	28.0 °C	23.3 °C	25.4 °C	33.4 °C	19.5 °C	30	3
May	26.6 °C	22.1 °C	24.1 °C	31.9 °C	17.8 °C	27	1
June	25.5 °C	21.1 °C	23.1 °C	31.0 °C	16.8 °C	19	0
July	24.8 °C	20.4 °C	22.4 °C	29.2 °C	15.8 °C	13	0
August	25.0 °C	20.3 °C	22.4 °C	29.9 °C	16.5 °C	15	0
September	26.1 °C	21.3 °C	23.3 °C	31.7 °C	16.4 °C	22	0
October	27.1 °C	22.2 °C	24.2 °C	33.3 °C	17.4 °C	27	1
November	27.7 °C	22.9 °C	24.9 °C	32.9 °C	18.0 °C	27	2
December	28.7 °C	23.6 °C	25.7 °C	33.2 °C	20.7 °C	30	6

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	78 mm	17	13 h/day	62 %	82 %	16 km/h	26.6 °C
February	72 mm	16	13 h/day	56 %	82 %	15 km/h	27.1 °C
March	115 mm	19	12 h/day	61 %	84 %	14 km/h	27.4 °C
April	103 mm	18	12 h/day	57 %	85 %	14 km/h	27.5 °C
May	89 mm	16	11 h/day	55 %	84 %	14 km/h	26.6 °C
June	71 mm	16	11 h/day	52 %	84 %	13 km/h	25.7 °C
July	65 mm	17	11 h/day	51 %	84 %	13 km/h	25.1 °C
August	56 mm	13	12 h/day	50 %	81 %	14 km/h	24.8 °C
September	54 mm	13	12 h/day	53 %	80 %	16 km/h	25.0 °C
October	98 mm	15	12 h/day	60 %	81 %	17 km/h	25.3 °C
November	160 mm	17	13 h/day	71 %	83 %	16 km/h	25.7 °C
December	117 mm	16	13 h/day	68 %	83 %	16 km/h	26.0 °C

How Porto Seguro 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
Porto Seguro	29 °C	20 °C	1,077 mm	299
Ilhéus · Brazil	29 °C	20 °C	1,277 mm	310
Itabuna · Brazil	29 °C	18 °C	1,051 mm	300
Vitória da Conquista · Brazil	28 °C	15 °C	669 mm	216
Linhares · Brazil	31 °C	18 °C	1,072 mm	299

Planning a trip? See the best time to visit Porto Seguro.

QuestionsCommon questions about Porto Seguro’s climate

When is the best time to visit Porto Seguro?

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

How hot does Porto Seguro get?

In February, the warmest month, daily highs average 29 °C. About 35 days a year pass 30 °C. The highest value in the 1991–2020 record is 36 °C.

How cold does it get in winter?

Nights average 20 °C in August, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Porto Seguro?

November, averaging 160 mm over 17 days with rain. The driest month is September with 54 mm. The year as a whole averages 1,077 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 Porto Seguro 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: -16.450°, -39.065° (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.