Santa Cruz has a subtropical-semi-arid climate, with warm dry summers and moderately warm winters. Its average annual temperature is 24 °C (75 °F) during the day and 17 °C (63 °F) at night. In the coolest month - January, the typically temperature ranges from 17–22 °C (63–72 °F) during the day, around 15 °C (59 °F) at night, the average sea temperature is 19 °C (66 °F). In the warmest month, August, the typically temperature during the day ranges from 26–30 °C (79–86 °F), above 20 °C (68 °F) at night, whilst the average sea temperature is 23 °C (73 °F).
Sunshine hours average at 2,868 per year, from 180 in November and January (6 hours of sunshine a day) to 310 in July and August (10 hours of sunshine a day). Precipitation per year is only 214 millimetres (8.4 in), concentrated heavily between November and March: May to September are normally completely dry
