What element can influence the ambient temperature in a propane container?

The correct answer is external weather conditions. Ambient temperature in a propane container is directly influenced by the temperature of the surrounding environment. Propane is stored in containers that are exposed to outside weather, including factors like sunlight, wind, and temperature fluctuations.

On sunny days, for example, the temperature around the container may increase, raising the ambient temperature of the propane inside. Conversely, during colder weather, the temperature around the container may drop, leading to a decrease in ambient temperature within the container. This is important because the temperature of the propane can affect its pressure and phase, impacting the safety and efficiency of the propane system.

While humidity levels can affect the overall conditions in an area, it does not directly change the temperature of the propane like external weather does. Internal gas pressure and the quality of the propane relate more to the properties and behavior of the gas itself rather than influencing the ambient temperature surrounding the container.