Overview: Aurora, COAurora, CO (United States of America) is a place with a mild continental climate. The day temperatures range from 7 °C (45 °F) in December to 31 °C (89 °F) in July. The highest night temperatures could be experienced in July with 15 °C (59 °F), the lowest in December with -8 °C (18 °F). The driest month is January with just 4 days of rain, on the contrary, the month when it rains the most is May with 10 days of rain.