Earth Sciences NZ July Climate Summary: Warm And Wet For The South Island, Dry For The North IslandJuly 2026 began on a settled note, with high pressure resulting in widespread clear weather and frosty conditions, particularly for southern and central parts of the South Island. A brief warm northerly airflow delivered record and near-record high daily maximum and minimum temperatures for southern and inland parts of the South Island. Temperatures were above average (0.51-1.20°C above average) or well above average (>1.20°C above average) for most of the South Island. Notably, these stations were all located in the South Island. July climate in the six main centres(Photo/Supplied)Temperatures were well above average in Dunedin, with above average temperatures in Wellington.