Météosuisse (Swiss Weather)

Johnny Depp was born at Niederweningen (505 als) (Switzerland/Zürich)

He stayed with his mother on 18th-19th January 2007.
morning temperature 9° to 10° (1)
afternoon temperature 13° to 14°

Then he was placed in an igloo.
Average temperatures until 31st January 2007.
morning 0° to -10°
afternoon -3° to 6°

In general, the winter in 2007 was very mild, despite a cold spell coming from the north on 22nd January.

(1) figures from the meteorological statin in Zürich/Affoltern (440m als)