Record levels of snow in Australia, and elsewhere. People who have never seen snow in their lifetimes in their location have now.
More on it here and here.
A pupil project: find out what the notorious climate clown David Viner had to say about snow, and then how later he headed up climate propaganda efforts at the British Council around the world. How many children must have thought he deserved to be taken seriously? Even adults were fooled by him. Help your pupils avoid such a fate. Here's a starter link to get them going.
Added 12 Aug. More unusual snowfalls in Australia: http://www.warwickhughes.com/blog/?p=3916
'From the cities to the bush, this has been one of the coldest, snowiest, miserablest winters anyone can remember.'
Added 08 March 2017: Readers can get updated snow cover charts at http://www.climate4you.com/
For example, this one: