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South Island cool down – Some frost risk but a fast warm bounce back! (+6 Maps)

A month ago the southerly changes were much more brutal – now you can feel summer approaching.

The South Island is going through a colder change at the moment with below normal temperatures hugging Canterbury in particular today, then tonight below normal temperatures are likely in Southland with the risk of a frost.

The rest of NZ is warmer than average.

Today Christchurch and other coastal parts of Canterbury are around 2 or 3 degrees below normal for daytime highs – however, tonight it will be a few degrees warmer than average there due to cloud cover.

Tonight, as high pressure rolls in over Southland, overnight temperatures dip to about 0 degrees. Lumsden is down to +2, Balfour +1, Gore +2 and Invercargill +3 degrees. For some areas this will be around 3 or 4 degrees below normal.

Check out New Zealand’s only public FROST Forecaster for your specific location at

The Frost Forecaster at

But the warmth springs back during Tuesday daytime.

Southland’s highs will be 3 to 7 degrees above normal by Tuesday afternoon and inland areas into Otago and westwards (like Queenstown) will be over 8 degrees above normal.

Canterbury – especially coastal areas – will take another 24 hours longer to warm up with Wednesday bouncing back and highs inland reaching the late 20s with sunny skies.

Some lower North Island areas are affected by today’s southerly but warmer air and more humidity returns overnight and in the days ahead – along with cloud and drizzle.


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