Brasília is warmest in September, averaging 34° by day and 18° at night. The wettest month is February with 193 mm, and the year brings about 1083 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 28° | 18° | 183 mm | 12.8 h | Mild |
| February | 28° | 18° | 193 mm | 12.5 h | Rainy season |
| March | 28° | 18° | 124 mm | 12.1 h | Mild |
| April | 29° | 18° | 75 mm | 11.6 h | Beach weather |
| May | 29° | 15° | 9 mm | 11.3 h | Beach weather |
| June | 29° | 14° | 6 mm | 11.1 h | Beach weather |
| July | 29° | 14° | 0 mm | 11.1 h | Beach weather |
| August | 31° | 16° | 9 mm | 11.5 h | Beach weather |
| September | 34° | 18° | 21 mm | 11.9 h | Beach weather |
| October | 33° | 20° | 109 mm | 12.4 h | Mild |
| November | 30° | 19° | 168 mm | 12.8 h | Mild |
| December | 29° | 19° | 186 mm | 12.9 h | Rainy season |
High and low are average daily maximum and minimum, rain is typical monthly total, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER — averages, not promises.
When to go
Beach weather: April, May, June, July, August and September — highs around 30°, nights no colder than 14°, and at most 75 mm of rain in a month.
Wet season: February and December — up to 193 mm in a single month.