well we just went at the end of january i would strongly advise you to take warm clothes for night we spent the 14 nights freezing.have a nice holiday.
Check here: http://www.wunderground.com/global/stations/60035.html nearer the time, it has updates on the weather, seems it is low 60s at the mo - anything will be warmer than here! I've been to the canaries a few times in our winter and it's been much warmer (although not always 'hot') and sunshine wise is unpredictable.