Aranet MINI is a perfect solution for temperature and humidity monitoring if precision, autonomy and long range is required.

12 wireless sensors can be added to the network of one autonomous base station. Sensors send data to the base station every 10 minutes within at least 3km/1.9mi line-of-sight range. Base station is equipped with touchscreen that displays the data readings.  Suitable for smaller site size applications.

More info https://aranet.com/product/aranet-mini/