I live in Christchurch, its a great city. Most pros/cons have already been covered.
Other than Massive City events etc you're able to do pretty much anything, and as mentioned generally anything is within 1 and a half hours drive.
Pegasus Town will be a good spot to live, as is any Satellite town of Christchurch.
Current Population is approx 380,000, however its more like 410,000 when including aforementioned satellite towns when speaking of employment, night-life and recreation.
As for climate, its pretty stedy, dropping to -5 if you're lucky in the winter and up to 30 on the odd Summer day. Average in summer is probably around 20 and winter around 10. It was 32 Degrees today (Celcius of coruse).
Remember we have no idea what a Mile or Fahrenheit means :D!
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