The climate is predominantly temperate, with some regional variations. Generally speaking, summers (December to March) are hot and humid, Autumns (March to June) are pleasant, winters (June to September) are extremely dry with strong variations in temperature, and springs (September to December) are windy and variable. Nights are noticeably cooler in March, which is also the rainiest month, and April often brings very pleasant weather. Starting in May, rainfall gets much lower. The air is often humid in winter, and thick fog is very common. There is often frost but Snowfall is rare. Spring is very variable, alternating between very intense heat waves and cool weather periods with severe thunderstorms, hail and strong winds.
Average temperatures (Cº)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
High Cº | 31 | 30 | 27 | 25 | 22 | 18 | 18 | 21 | 23 | 26 | 28 | 30 |
Low Cº | 18 | 17 | 15 | 12 | 9 | 5 | 5 | 6 | 9 | 12 | 15 | 17 |
Average rainfall (mm)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
mm | 116 | 101 | 100 | 48 | 21 | 11 | 11 | 12 | 31 | 67 | 97 | 128 |
Days | 11 | 9 | 10 | 7 | 4 | 3 | 3 | 3 | 4 | 7 | 6 | 11 |