The DHT22 goes by several names. The other common name is the RHT22. The data sheet says that it will run from 3.3V to 6V which makes it ideal for Arduino application. Temperature range is -40°C to 80°C with 0% to 100% relative humidity.
The Arduino Due is the newcomer microcontroller board in the Arduino boards family. Its the first board based on a 32 bit processor (Atmel SAM3X8E ARM Cortex-M3 MCU), which improves all the standard Arduino functionalities and adds many new features.
The Arduino Esplora is a ready-to-use, easy-to-hold controller that lets you explore the infinitive possibilities you have in the world of sensor and actuators, without having to deal with breadboards, soldering or cable.