Planaltina climate

Name: Planaltina
Address: BR

Planaltina is warmest in September, with average highs of 30 °C, and coldest in July, when nights average 15 °C. December is the wettest month (219 mm) and July the driest (0.3 mm). Figures are 1991–2020 climate normals.

Across a full year Planaltina averages 1,191 mm of rain and 303 days above 25 °C.

Brazil · 1,000 m elevation · population 189,412 · 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 July 15 °C
Driest month July 0 mm
Wettest month December 219 mm
Least cloud August 26 % cloud
Hottest on record October 37 °C
Coldest on record July 9.9 °C

What to expectPlanaltina through the year

Planaltina has a clear annual cycle: average daily highs run from 26 °C in July to 30 °C in September, a swing of 3.9 °C in mean temperature across the year.

Counted across a normal year, 303 days a year reach 25 °C, 41 of them reach 30 °C. The warmest reading in the 1991–2020 record is 37 °C, in October.

Rain is strongly seasonal. December averages 219 mm against 0 mm in July — 747 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	26.9 °C	198 mm	77 %
February	27.0 °C	168 mm	74 %
March	26.8 °C	178 mm	73 %
April	26.7 °C	74 mm	56 %
May	26.2 °C	16 mm	44 %
June	25.6 °C	3 mm	33 %
July	25.8 °C	under 1 mm	26 %
August	27.7 °C	4 mm	26 %
September	29.8 °C	24 mm	39 %
October	29.5 °C	98 mm	61 %
November	27.0 °C	207 mm	79 %
December	26.9 °C	219 mm	81 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	26.9 °C	19.0 °C	22.5 °C	32.3 °C	16.1 °C	26	2
February	27.0 °C	19.0 °C	22.6 °C	31.7 °C	16.2 °C	24	1
March	26.8 °C	18.9 °C	22.4 °C	31.4 °C	16.0 °C	27	0
April	26.7 °C	18.3 °C	22.1 °C	31.1 °C	13.2 °C	26	1
May	26.2 °C	16.9 °C	21.2 °C	30.7 °C	10.4 °C	24	0
June	25.6 °C	15.6 °C	20.3 °C	30.8 °C	10.2 °C	20	0
July	25.8 °C	15.3 °C	20.3 °C	30.2 °C	9.9 °C	21	0
August	27.7 °C	16.6 °C	21.9 °C	32.9 °C	11.9 °C	28	4
September	29.8 °C	18.9 °C	24.1 °C	35.2 °C	13.3 °C	29	14
October	29.5 °C	19.7 °C	24.2 °C	36.8 °C	14.3 °C	29	14
November	27.0 °C	19.0 °C	22.5 °C	34.3 °C	16.1 °C	24	3
December	26.9 °C	19.1 °C	22.5 °C	32.8 °C	15.9 °C	25	2

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	198 mm	22	13 h/day	77 %	78 %	12 km/h
February	168 mm	19	13 h/day	74 %	78 %	11 km/h
March	178 mm	21	12 h/day	73 %	79 %	11 km/h
April	74 mm	12	12 h/day	56 %	75 %	12 km/h
May	16 mm	3	11 h/day	44 %	67 %	13 km/h
June	3 mm	1	11 h/day	33 %	60 %	13 km/h
July	under 1 mm	0	11 h/day	26 %	53 %	14 km/h
August	4 mm	1	12 h/day	26 %	46 %	15 km/h
September	24 mm	5	12 h/day	39 %	47 %	15 km/h
October	98 mm	13	12 h/day	61 %	60 %	13 km/h
November	207 mm	22	13 h/day	79 %	77 %	12 km/h
December	219 mm	22	13 h/day	81 %	79 %	12 km/h

How Planaltina 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
Planaltina	30 °C	15 °C	1,191 mm	303
Brasília · Brazil	29 °C	14 °C	1,383 mm	262
Ceilândia · Brazil	29 °C	14 °C	1,360 mm	230
Samambaia · Brazil	29 °C	14 °C	1,383 mm	238
Águas Lindas de Goiás · Brazil	30 °C	15 °C	1,344 mm	291
Luziânia · Brazil	30 °C	15 °C	1,239 mm	316
Anápolis · Brazil	30 °C	16 °C	1,517 mm	307

Where Planaltina ranks

Ranking	Position	Value
The driest places in South America in July	15thof 50	0.3 mm
Places with the best weather in South America in June	21stof 50	94/100
Places with the best weather in South America in July	25thof 50	95/100
The driest places in South America in June	32ndof 50	3.2 mm
The driest places in South America in May	39thof 50	16 mm
The driest places in South America in August	41stof 50	4.4 mm

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

QuestionsCommon questions about Planaltina’s climate

When is the best time to visit Planaltina?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, July 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 Planaltina get?

In September, the warmest month, daily highs average 30 °C. About 41 days a year pass 30 °C. The highest value in the 1991–2020 record is 37 °C.

How cold does it get in winter?

Nights average 15 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Planaltina?

December, averaging 219 mm over 22 days with rain. The driest month is July with 0 mm. The year as a whole averages 1,191 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 Planaltina 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.