Brasília climate

Name: Brasília
Address: BR

Brasília is warmest in September, with average highs of 29 °C, and coldest in July, when nights average 14 °C. December is the wettest month (239 mm) and July the driest (0.4 mm). Figures are 1991–2020 climate normals.

Across a full year Brasília averages 1,383 mm of rain and 262 days above 25 °C.

Brazil · population 2,207,718 · 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 29 °C
Coldest month July 14 °C
Driest month July 0 mm
Wettest month December 239 mm
Least cloud August 27 % cloud
Hottest on record October 35 °C
Coldest on record June 9.2 °C

What to expectBrasília through the year

Brasília has a clear annual cycle: average daily highs run from 25 °C in July to 29 °C in September, a swing of 3.8 °C in mean temperature across the year.

Counted across a normal year, 262 days a year reach 25 °C, 24 of them reach 30 °C. The warmest reading in the 1991–2020 record is 35 °C, in October.

Rain is strongly seasonal. December averages 239 mm against 0 mm in July — 612 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	25.9 °C	226 mm	78 %
February	26.1 °C	193 mm	75 %
March	25.9 °C	210 mm	74 %
April	25.8 °C	97 mm	57 %
May	25.5 °C	21 mm	45 %
June	25.0 °C	5 mm	34 %
July	25.2 °C	under 1 mm	27 %
August	27.0 °C	6 mm	27 %
September	28.9 °C	34 mm	41 %
October	28.5 °C	120 mm	63 %
November	26.1 °C	231 mm	79 %
December	25.9 °C	239 mm	82 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	25.9 °C	18.3 °C	21.7 °C	31.4 °C	15.1 °C	21	1
February	26.1 °C	18.3 °C	21.8 °C	31.2 °C	15.2 °C	22	0
March	25.9 °C	18.2 °C	21.6 °C	30.4 °C	15.4 °C	22	0
April	25.8 °C	17.5 °C	21.3 °C	30.0 °C	12.4 °C	21	0
May	25.5 °C	16.0 °C	20.5 °C	29.6 °C	10.5 °C	20	0
June	25.0 °C	14.6 °C	19.6 °C	29.9 °C	9.2 °C	15	0
July	25.2 °C	14.3 °C	19.6 °C	29.1 °C	9.6 °C	17	0
August	27.0 °C	15.6 °C	21.1 °C	31.8 °C	10.9 °C	26	1
September	28.9 °C	17.9 °C	23.2 °C	33.8 °C	12.8 °C	29	10
October	28.5 °C	18.8 °C	23.3 °C	35.3 °C	13.7 °C	28	10
November	26.1 °C	18.3 °C	21.7 °C	33.0 °C	15.2 °C	21	2
December	25.9 °C	18.4 °C	21.7 °C	32.0 °C	15.0 °C	21	1

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	226 mm	23	13 h/day	78 %	79 %	13 km/h
February	193 mm	20	13 h/day	75 %	78 %	12 km/h
March	210 mm	22	12 h/day	74 %	80 %	12 km/h
April	97 mm	14	12 h/day	57 %	76 %	13 km/h
May	21 mm	3	11 h/day	45 %	67 %	13 km/h
June	5 mm	1	11 h/day	34 %	61 %	14 km/h
July	under 1 mm	0	11 h/day	27 %	53 %	15 km/h
August	6 mm	2	12 h/day	27 %	46 %	16 km/h
September	34 mm	6	12 h/day	41 %	48 %	15 km/h
October	120 mm	15	12 h/day	63 %	61 %	14 km/h
November	231 mm	23	13 h/day	79 %	78 %	13 km/h
December	239 mm	24	13 h/day	82 %	79 %	13 km/h

How Brasília 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
Brasília	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
Planaltina · Brazil	30 °C	15 °C	1,191 mm	303
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 Brasília ranks

Ranking	Position	Value
Places with the best weather in South America in June	4thof 50	96/100
Places with the best weather in South America in July	12thof 50	96/100
Places with the best weather in South America in May	20thof 50	93/100
Places with the best weather in the world in June	21stof 50	96/100
The driest places in South America in July	23rdof 50	0.4 mm
Places with the best weather in the world in July	28thof 50	96/100

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

QuestionsCommon questions about Brasília’s climate

When is the best time to visit Brasília?

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 Brasília get?

In September, the warmest month, daily highs average 29 °C. About 24 days a year pass 30 °C. The highest value in the 1991–2020 record is 35 °C.

How cold does it get in winter?

Nights average 14 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Brasília?

December, averaging 239 mm over 24 days with rain. The driest month is July with 0 mm. The year as a whole averages 1,383 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 Brasília 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.