Berks County's Chilly December: A Look at the Numbers

Berks County saw a colder-than-usual December in 2025, with temperatures dipping below average for much of the month. The average temperature at Reading Regional Airport was 31. 7 degrees, which is 4 degrees lower than the usual 35. 7 degrees. This makes it the 34th coldest December in the past 130 years and the fifth coldest this century. The month started off particularly cold, with the first 17 days averaging below normal temperatures. The lowest temperature recorded was 11 degrees on December 9th, while the highest was 61 degrees on December 19th. However, this warm spell was short-lived and accompanied by rain and wind.Precipitation was also below average, with only 2. 21 inches of rain recorded, compared to the usual 3. 51 inches. Snowfall was also light, with only 3. 7 inches recorded for the month. This is significantly lower than the average snowfall for December. The cold weather persisted into January, but the forecast predicts a thaw with warming conditions and sunshine over the workweek. Highs are expected to reach near 50 degrees or above starting Wednesday and lasting until at least Saturday. Looking back at the data, the coldest December on record was in 1989, with an average temperature of 20. 6 degrees. The coldest full year on record was 1904, with an average temperature of 49 degrees. The warmest year on record was 2024, with an average temperature of 56. 9 degrees.