For a project where I wanted to measure outside temperature and humidity I deciced to use a DHT22 sensor as it's fairly cheap and precise enough for my needs - As part of the project i designed a SMD breakout board and a 3D printable housing to fit the board in.
Full info on the project here: http://nisker.net/projects/DHT22-SMD-breakout-board-and-housing/
It's made with tinkercad.com : https://www.tinkercad.com/things/dWyWJR8hIvD-dht22-smd-breakout-board-housing
Technical
suitable small screws for fastening the cable relief clamp and board to the body of the housing as well as fastening the cover to the body.