During the winter months of December, January and February, large cities with the warmest climates in United States can be found along California's Pacific coast. Texas is another state with major cities that have warm weather during winter. Ten of the country's 40 largest cities average daily temperatures above 50 °F (10 °C) throughout winter.

Highest Winter Temperatures

The highest winter temperature ever recorded among the 40 largest cities in the US is 100 °F (37.8 °C) in San Antonio, Texas. Austin, Texas has come close, reaching a 99 °F high in February. Normally, though, city climates are much cooler than this, even for those two record-setting cities. No major American cities have normal daily maximums above 70 °F (21.1 °C) during winter months.

Warmest Low Temperatures

While all the major US cities have record low temperatures that are below 32 °F (0 °C), many keep above freezing for most the winter. Among the 40 largest American cities, nine in winter stay over 40 °F (4.4 °C) on average throughout the day.