The Sensirion SHT35 [1] is good down to +/-0.2C. However, it's important to note that having such an accurate sensor is somewhat useless if there's not a radiat

The Sensirion SHT35 [1] is good down to +/-0.2C. However, it's important to note that having such an accurate sensor is somewhat useless if there's not a radiation shield. A sunny day will change the temperature reading by several degrees C. [1] https://www.sensirion.com/products/humidity-sensors/digital-humidity-sensors-for-various-applications/ https://www.sensirion.com/products/humidity-sensors/digital-...