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.
The 7 day weather forecast summary for Bethlehem: Taking a look at Bethlehem over the coming week and the average daytime maximum temperature will be around 31Â°C, with a high for the week of 33Â°C expected on the afternoon of Saturday 9th. The mean minimum temperature will be 23Â°C, dipping to its lowest on the morning of Thursday 7th at 18Â°C.