The climate in Brasília during May can be summarized as warm and reasonably dry.
May is in the fall / autumn in Brasília and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a comfortable 26°C (78°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 25.8°C 78.4°F |
|---|---|
| Nightly temperature | 14.9°C 58.7°F |
| Average temperature | 20.3°C 68.5°F |
| Daily sunshine | 8.1 hrs |
| Avg rainfall | 37 mm 1.4 ins |
| Rainy days | 5 days |
| Sea temperature | 25.1°C 77.2°F |
| Humidity | 69% |
| Windspeed | 4.7kph 3 mph |
On average May is the 4th driest month of the year in Brasília with around 37mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.1 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Brasília in May 2025.
| Hottest month: | October | 27.2°C 81°F |
|---|---|---|
| Driest month: | June | 9mm 0.4ins |
| Sunniest month: | July | 9.1hrs |
| Coldest month: | July | 25°C 77°F |
| Wettest month: | December | 261mm 10.3ins |