In the summer, the Jews would have to suffer through blaring heat. What's even is worse is that they had to stay in one position, so they couldn't do anything to fix the problem. Lots of people had heat strokes, leading to death. During the winter, they would have to face freezing temperatures with no way to stay warm. They could try to huddle up close to each other, but it was at points so cold that cramming together to preserve body heat was no longer useful. Many suffered from hypothermia, not always resulting in death, which would make the journey even worse. On top of the weather, being crammed together would certainly just add to the problem. Temperature was a very big deal during the deportations.
Jews being deported in boxcars went through the some rough times. They faced packed spaces, no food or water, and brutal weather. This was a very sad time in history. Many people died or lost loved ones. The Holocaust changed the course of history forever. If there is one