Ratio data is interval data with a natural zero point. For example, time is ratio since 0 time is meaningful. Degrees Kelvin has a 0 point (absolute 0) and the steps in both these scales have the same degree of magnitude.
Bethlehem, PA Weather. The average temperature of Bethlehem is 51.25Â°F, which is higher than the Pennsylvania average temperature of 49.80Â°F and is lower than the national average temperature of 54.45Â°F. Historical Weather.
CLIMATE OVERVIEW : Allentown, Pennsylvania, gets 46 inches of rain per year. The US average is 39. Snowfall is 32 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 77. On average, there are 201 sunny days per year in Allentown, Pennsylvania. The July high is around 84 degrees. The January low is 21. Sperling's comfort index for Allentown is a 45 out of 100, where a higher score indicates a more comfortable year-around climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.