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.
Bethlehem, Pennsylvania, gets 45 inches of rain per year. The US average is 39. Snowfall is 34 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 80. On average, there are 202 sunny days per year in Bethlehem, Pennsylvania. The July high is around 84 degrees.