Southern_Alps_from_Hamilton_Peak. The climate in the South Island is mostly temperate. The mean temperature for the South Island is 8 °C (46 °F). January and February are the warmest months while July is the coldest. Historical maxima and minima are 42.4 °C (108.3 °F) in Rangiora, Canterbury and −21.6 °C (−6.9 °F) in Ophir, Otago
Slot Tear Rig: the slot tear test or Baumann Tear Test measures the force to tear a slotted sample apart at a constant speed. While the Standard only requires the maximum force to be measured, average tear force, force maxima and minima and work done can also be measured automatically.