Palmas climate

Name: Palmas
Address: BR

Palmas is warmest in September, with average highs of 35 °C, and coldest in July, when nights average 21 °C. January is the wettest month (340 mm) and July the driest (0.3 mm). Figures are 1991–2020 climate normals.

Across a full year Palmas averages 1,886 mm of rain and 363 days above 25 °C.

Brazil · population 306,296 · 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 35 °C
Coldest month July 21 °C
Driest month July 0 mm
Wettest month January 340 mm
Least cloud July 25 % cloud
Hottest on record October 40 °C
Coldest on record June 17 °C

What to expectPalmas through the year

Palmas has a clear annual cycle: average daily highs run from 33 °C in July to 35 °C in September, a swing of 4.0 °C in mean temperature across the year.

Counted across a normal year, 363 days a year reach 25 °C, 271 of them reach 30 °C. The warmest reading in the 1991–2020 record is 40 °C, in October.

Rain is strongly seasonal. January averages 340 mm against 0 mm in July — 1,098 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	29.7 °C	340 mm	81 %
February	29.8 °C	304 mm	83 %
March	29.8 °C	308 mm	82 %
April	30.4 °C	191 mm	70 %
May	31.5 °C	55 mm	55 %
June	32.4 °C	3 mm	33 %
July	32.8 °C	under 1 mm	25 %
August	34.4 °C	1 mm	29 %
September	35.4 °C	26 mm	41 %
October	33.2 °C	129 mm	62 %
November	30.9 °C	238 mm	79 %
December	30.3 °C	292 mm	80 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	29.7 °C	22.6 °C	25.7 °C	34.3 °C	20.7 °C	31	14
February	29.8 °C	22.6 °C	25.7 °C	36.0 °C	20.1 °C	28	13
March	29.8 °C	22.7 °C	25.8 °C	35.0 °C	20.2 °C	31	14
April	30.4 °C	22.7 °C	26.2 °C	34.8 °C	19.5 °C	30	18
May	31.5 °C	22.7 °C	26.8 °C	36.2 °C	19.0 °C	31	25
June	32.4 °C	21.6 °C	26.8 °C	35.3 °C	17.2 °C	30	30
July	32.8 °C	21.1 °C	26.9 °C	36.4 °C	17.3 °C	31	31
August	34.4 °C	22.3 °C	28.3 °C	38.0 °C	18.3 °C	31	31
September	35.4 °C	24.2 °C	29.7 °C	39.0 °C	18.6 °C	30	29
October	33.2 °C	23.9 °C	28.2 °C	39.9 °C	19.8 °C	31	27
November	30.9 °C	23.2 °C	26.5 °C	36.9 °C	20.6 °C	30	20
December	30.3 °C	22.9 °C	26.1 °C	36.4 °C	20.5 °C	31	18

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	340 mm	27	13 h/day	81 %	84 %	8.4 km/h
February	304 mm	25	12 h/day	83 %	83 %	8.4 km/h
March	308 mm	26	12 h/day	82 %	84 %	8.1 km/h
April	191 mm	19	12 h/day	70 %	80 %	8.8 km/h
May	55 mm	7	12 h/day	55 %	70 %	11 km/h
June	3 mm	0	12 h/day	33 %	56 %	14 km/h
July	under 1 mm	0	12 h/day	25 %	48 %	16 km/h
August	1 mm	0	12 h/day	29 %	41 %	16 km/h
September	26 mm	4	12 h/day	41 %	45 %	15 km/h
October	129 mm	15	12 h/day	62 %	66 %	11 km/h
November	238 mm	22	13 h/day	79 %	79 %	9.0 km/h
December	292 mm	25	13 h/day	80 %	82 %	8.7 km/h

Where Palmas ranks

Ranking	Position	Value
The driest places in South America in July	18thof 50	0.3 mm
The warmest places in South America in September	18thof 50	35 °C
The warmest places in South America in August	20thof 50	34 °C
The warmest places in South America in June	20thof 50	32 °C
The warmest places in South America year-round	20thof 50	32 °C
The driest places in South America in August	23rdof 50	1.1 mm

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

QuestionsCommon questions about Palmas’s climate

When is the best time to visit Palmas?

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

How hot does Palmas get?

In September, the warmest month, daily highs average 35 °C. About 271 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 21 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Palmas?

January, averaging 340 mm over 27 days with rain. The driest month is July with 0 mm. The year as a whole averages 1,886 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 Palmas 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.