Winter can be a complete bitch on any ones skin so i can say a really good moisturiser is key to getting nice skin in the summer months too.
MeMeMe have a moisturiser called Iconic Face base which is light weight but has all the goodness your skin needs to survive the next few months unscathed. It has a light citrus fruit fragrance with make it almost good enough to eat.
And remember with moisturiser a little goes a long way no need to cake it on!
iv not tried it but its on my list, want to check it out ? its available for £15 at http://www.mememecosmetics.co.uk/