The weather in Broome is typically defined by a dry season and a wet season. The dry season lasts from April/May until September/October; the weather during this period is often ideal with warm nights and clear blue skies all day, every day. The wet season starts around October/November with extremely hot days, thunderstorms and heavy downpours. There is often monsoonal activity between January and March, with cyclones, heavy rain and flooding possible during these months.
| Month | Temp (°C) | Rainfall (mm) | Humidity (%) | Sunshine (hours) |
| Jan | 26 - 33 | 173 | ||
| Feb | 26 - 32 | 185 | ||
| Mar | 25 - 33 | 99.6 | ||
| Apr | 22 - 34 | 26.6 | ||
| May | 18 - 31 | 28.7 | ||
| Jun | 15 - 28 | 18.2 | ||
| Jul | 13 - 28 | 6.3 | ||
| Aug | 15 - 30 | 1.7 | ||
| Sep | 18 - 31 | 1.5 | ||
| Oct | 22 - 32 | 1.4 | ||
| Nov | 25 - 33 | 8.1 | ||
| Dec | 26 - 33 | 49.1 |