On Christmas Eve, Denver experienced unusually warm weather, reaching a high of 71°F (22°C). This temperature broke the previous record of 70°F (21°C) set in 1955. The warm conditions are notable for this time of year, as December typically sees much cooler temperatures in the region. The record-breaking warmth is attributed to a combination of factors, including atmospheric conditions that favored warmer air masses moving into the area. Such high temperatures during the winter months are rare and can have various implications for local weather patterns and ecosystems.