Speizer said the kiwi may test 84 US cents this week, with little on the domestic calendar to disturb its progress.
The only local economic data due for release this week is November building consents on Wednesday and November merchandise trade on Thursday.
Globally, the Bank of England's monetary policy committee announces its latest review on January 10 and the governing council meeting of the European Central Bank meets and has a media conference on the same day. Both are expected to keep interest rates unchanged.
The kiwi dollar recently traded at 73.47 yen and is near its strongest level in more than four years. The yen has declined as the Bank of Japan has come under increasing pressure from the new Japanese government to weaken its currency and take other steps to stimulate the economy.
"2013 will continue to see us supported," said Alex Sinton, senior dealer at ANZ New Zealand. There are no quick fixes in Europe or the UK and the US is "still driving on Skippers Canyon road" by not yet solving the debt ceiling issues or the economy's underlying problems.
Rental car companies typically don't allow their vehicles on Skippers Canyon, a winding, steep gorge road near Queenstown.
Still, US Treasury bond yields have climbed from their 2012 lows and taken together with rising equity markets, indicate "there is a lot of hope" for global growth, said Peter Cavanaugh, of Bancorp Treasury Services.
Traders also took heart from last week's release of minutes of the most recent Federal Reserve meeting, which indicated some committee members want quantitative easing to end this year, Cavanaugh said.