Adelaide's weather in July

According to the Channel 9 Brenton Ragless Almanac for 2011, Adelaide’s weather in July is “On average . . . the coldest … of the year. . . Significant showers are common. The maximum is above 17° C on the 6 warmest days and the minimum below 5°C on the 6 coldest nights. On average, frost occurs on 3 nights. Winds on ½ of days exceed 12km/h at 9am & 16km/h at 3pm. Main directions are N-NE at 9am & SW to NW at 3pm”.