It is rarely possible to rule out that "something else" is the cause of a phenomenum. But the connection between rising temperatures and an exceptional dryness is quite obvious. So absent a very strong different explanation for the current dryness, climate change sounds like an important contributor if not the single cause.

Well hurricanes are also made stronger by the fact that CO2 traps more heat in lower layers and thus makes the upper atmosphere colder, leading to a higher differential with lower layers. So there you go, please inform your activism accordingly.