Australia's climate is generally very pleasant. There are no 'extreme' climates in Australia; Sydney and Perth have very enjoyable temperatures all-year-round, while Brisbane enjoys a more tropical climate.

[See below details of average annual temperatures and rainfall.]
Sydney
.
Summer
Autumn
Winter
Spring
. Dec Jan Feb Mar April May June July Aug Sep Oct Nov
Max 25 26 26 25 22 19 17 16 18 20 22 24
Min 17 18 19 17 15 11 9 8 9 11 13 16
Rainfall
[mm]
28 104 117 135 129 121 131 100 81 69 79 82
Rainy Days 12 12 12 13 12 12 12 10 10 10 11 11
Perth
.
Summer
Autumn
Winter
Spring
. Dec Jan Feb Mar April May June July Aug Sep Oct Nov
Max 27 30 30 29 25 21 19 18 18 20 22 25
Min 16 18 19 17 14 12 10 9 9 10 12 14
Rainfall
[mm]
14 9 12 19 46 123 182 173 135 80 55 21
Rainy Days 4 3 3 4 8 14 17 18 17 14 11 6
Brisbane
.
Summer
Autumn
Winter
Spring
. Dec Jan Feb Mar April May June July Aug Sep Oct Nov
Max 29 29 29 28 26 23 21 20 22 24 26 28
Min 20 21 21 19 17 13 11 10 10 13 16 18
Rainfall
[mm]
132 160 158 141 94 74 68 57 47 46 76 97
Rainy Days 12 13 13 15 11 10 8 7 7 7 9 10