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.
Philadelphia: Annual Weather Averages. July is the hottest month in Philadelphia with an average temperature of 26Â°C (79Â°F) and the coldest is January at 2Â°C (36Â°F) with the most daily sunshine hours at 10 in July. The wettest month is July with an average of 114mm of rain. Loading weather data.