The Barossa Valley experiences similar temperatures to Margaret River in Western Australia, another region well known for producing outstanding wines. Humidity and rainfall are low and sunshine abundant, creating a continental-type climate ideal for full-bodied reds, fortified wines and robust whites.
| Month | Temp (°C) | Rainfall (mm) | Humidity (%) | Sunshine (hours) |
| Jan | 16 - 29 | 0 | ||
| Feb | 16 - 29 | 0 | ||
| Mar | 14 - 26 | 0 | ||
| Apr | 12 - 22 | 25 | ||
| May | 9 - 18 | 51 | ||
| Jun | 7 - 15 | 51 | ||
| Jul | 5 - 15 | 51 | ||
| Aug | 5 - 15 | 51 | ||
| Sep | 5 - 18 | 25 | ||
| Oct | 10 - 21 | 25 | ||
| Nov | 11 - 25 | 25 | ||
| Dec | 14 - 27 | 0 |