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Brasília, Brazil climate
Aw Tropical savanna (dry winter)
Brasília has a remarkably steady warm-temperate climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is October with an average daily high near 29°C, while the coldest is June averaging around 14°C at night. Precipitation totals about 1479 mm a year and is strongly seasonal — November alone averages 253 mm while July barely receives 1 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Brasília climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 27 | 27 | 26 | 25 | 26 | 27 | 29 | 29 | 27 | 27 |
| Avg temp (°C) | 22 | 22 | 22 | 22 | 20 | 19 | 19 | 21 | 23 | 23 | 22 | 22 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 16 | 14 | 14 | 15 | 18 | 19 | 18 | 18 |
| Precipitation (mm) | 206 | 180 | 226 | 145 | 27 | 3 | 1 | 16 | 38 | 142 | 253 | 241 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 27 | 27 | 26 | 25 |
| Avg temp (°C) | 22 | 22 | 22 | 22 | 20 | 19 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 16 | 14 |
| Precipitation (mm) | 206 | 180 | 226 | 145 | 27 | 3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 27 | 29 | 29 | 27 | 27 |
| Avg temp (°C) | 19 | 21 | 23 | 23 | 22 | 22 |
| Avg low (°C) | 14 | 15 | 18 | 19 | 18 | 18 |
| Precipitation (mm) | 1 | 16 | 38 | 142 | 253 | 241 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 73 | 73 | 54 | 38 | 25 | 21 | 23 | 41 | 65 | 82 | 81 |
| Relative humidity (%) | 83 | 82 | 84 | 82 | 76 | 67 | 55 | 45 | 45 | 59 | 76 | 82 |
| Wind speed (km/h) | 6.8 | 6.2 | 6.1 | 6.4 | 6.7 | 7.8 | 8.9 | 9.8 | 9.4 | 8.0 | 7.0 | 6.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 73 | 73 | 54 | 38 | 25 |
| Relative humidity (%) | 83 | 82 | 84 | 82 | 76 | 67 |
| Wind speed (km/h) | 6.8 | 6.2 | 6.1 | 6.4 | 6.7 | 7.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 21 | 23 | 41 | 65 | 82 | 81 |
| Relative humidity (%) | 55 | 45 | 45 | 59 | 76 | 82 |
| Wind speed (km/h) | 8.9 | 9.8 | 9.4 | 8.0 | 7.0 | 6.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from INMET, Brazil's national meteorological institute, measured at Brasilia, about 1 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.