Lancaster · United States
Weather in Lancaster in December
In December the typical daytime high in Lancaster is 6.9 °C on average, from 8.9 °C at the start to 5.9 °C at the end of the month.
The last 10 years were 1.3 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Carlisle Wtp (78 km), Dover (120 km) and Washington (141 km); nearer ones count more.