Macaé climate

Name: Macaé
Address: BR

Macaé is warmest in February, with average highs of 30 °C, and coldest in July, when nights average 18 °C. December is the wettest month (184 mm) and August the driest (28 mm). Figures are 1991–2020 climate normals.

Across a full year Macaé averages 1,170 mm of rain and 243 days above 25 °C.

Brazil · population 264,439 · 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 30 °C
Coldest month July 18 °C
Driest month August 28 mm
Wettest month December 184 mm
Least cloud July 43 % cloud
Hottest on record November 38 °C
Coldest on record June 11 °C
Warmest sea March 25 °C

What to expectMacaé through the year

Macaé has a clear annual cycle: average daily highs run from 24 °C in July to 30 °C in February, a swing of 5.4 °C in mean temperature across the year.

Counted across a normal year, 243 days a year reach 25 °C, 61 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in November.

Rain is strongly seasonal. December averages 184 mm against 28 mm in August — 6.5 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Macaé is warmest in March at 25 °C and coldest in September at 22 °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	29.2 °C	176 mm	68 %
February	29.5 °C	100 mm	59 %
March	28.5 °C	155 mm	63 %
April	27.1 °C	81 mm	52 %
May	25.1 °C	57 mm	49 %
June	24.6 °C	31 mm	44 %
July	24.3 °C	29 mm	43 %
August	24.8 °C	28 mm	43 %
September	25.5 °C	62 mm	55 %
October	26.3 °C	92 mm	67 %
November	26.6 °C	175 mm	74 %
December	28.2 °C	184 mm	71 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	29.2 °C	23.4 °C	25.8 °C	36.6 °C	19.6 °C	28	13
February	29.5 °C	23.6 °C	26.1 °C	36.6 °C	19.2 °C	27	12
March	28.5 °C	23.2 °C	25.4 °C	36.3 °C	19.2 °C	29	8
April	27.1 °C	21.8 °C	24.1 °C	35.0 °C	15.8 °C	24	4
May	25.1 °C	19.6 °C	22.0 °C	32.8 °C	13.9 °C	15	1
June	24.6 °C	18.4 °C	21.2 °C	32.4 °C	10.6 °C	13	0
July	24.3 °C	17.9 °C	20.7 °C	32.6 °C	10.8 °C	13	1
August	24.8 °C	18.2 °C	21.0 °C	33.1 °C	13.2 °C	14	1
September	25.5 °C	19.2 °C	21.9 °C	36.2 °C	13.4 °C	16	3
October	26.3 °C	20.5 °C	22.9 °C	36.6 °C	14.8 °C	19	5
November	26.6 °C	21.3 °C	23.6 °C	38.2 °C	15.1 °C	19	5
December	28.2 °C	22.7 °C	25.0 °C	34.7 °C	16.0 °C	26	9

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	176 mm	15	13 h/day	68 %	83 %	17 km/h	23.8 °C
February	100 mm	11	13 h/day	59 %	82 %	17 km/h	24.2 °C
March	155 mm	16	12 h/day	63 %	84 %	15 km/h	25.0 °C
April	81 mm	12	12 h/day	52 %	83 %	15 km/h	24.9 °C
May	57 mm	9	11 h/day	49 %	82 %	15 km/h	23.8 °C
June	31 mm	5	11 h/day	44 %	82 %	14 km/h	22.9 °C
July	29 mm	5	11 h/day	43 %	80 %	16 km/h	22.1 °C
August	28 mm	5	11 h/day	43 %	79 %	18 km/h	21.6 °C
September	62 mm	9	12 h/day	55 %	79 %	19 km/h	21.5 °C
October	92 mm	11	13 h/day	67 %	80 %	19 km/h	22.0 °C
November	175 mm	16	13 h/day	74 %	83 %	18 km/h	22.6 °C
December	184 mm	17	13 h/day	71 %	84 %	17 km/h	23.7 °C

How Macaé 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
Macaé	30 °C	18 °C	1,170 mm	243
Rio das Ostras · Brazil	30 °C	18 °C	1,326 mm	251
Cabo Frio · Brazil	28 °C	19 °C	1,239 mm	203
Nova Friburgo · Brazil	27 °C	13 °C	2,042 mm	157
Campos dos Goytacazes · Brazil	31 °C	18 °C	1,087 mm	289
Itaboraí · Brazil	31 °C	16 °C	1,630 mm	253
Teresópolis · Brazil	26 °C	13 °C	2,028 mm	127

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

QuestionsCommon questions about Macaé’s climate

When is the best time to visit Macaé?

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 August the driest. The month-by-month table above has the full picture.

How hot does Macaé get?

In February, the warmest month, daily highs average 30 °C. About 61 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 18 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Macaé?

December, averaging 184 mm over 17 days with rain. The driest month is August with 28 mm. The year as a whole averages 1,170 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 Macaé 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.