Here is a look at average conditions across the country as a whole which makes some interesting reading for the average weather buff!

The average temperature across New Zealand is 12.5 °C.
The average temperature range is 8.5 °C.
The highest monthly average high temperature is 20 °C in January & February.
The lowest monthly average low temperature is 5 °C in July.
New Zealand’s climate receives an average of 1251 mm of rainfall per year, or 104 mm per month.
On average there are 159 days per year with more than 0.1 mm of rainfall or 13 days with a quantity of rain, sleet, snow etc. per month.
The driest weather is in January when an average of 74 mm of rainfall occurs across 10 days.
The wettest weather is in August when an average of 135 mm of rainfall  occurs across 16 days.
The average annual relative humidity is 72.9% and average monthly relative humidity ranges from 67% in January to 78% in June.
Average sunlight hours in New Zealand range between 3.5 hours per day in July and 7.5 hours per day in January.
There are an average of 2012 hours of sunlight per year with an average of 5.5 hours of sunlight per day.