You can use the DHT22 (or AM2302) humidity/temperature sensor and the Arduino UNO board to read data and print it out to the serial monitor or to display it on an LCD ...

If you bought your DHT22 from AliExpress, eBay, or similar marketplaces and get readings like -3276.7°C in freezing weather — you likely have a clone sensor. This library fixes that. This library ...