Matches will work. If it´s too windy you might wish to improove your wind shield or find a better place. I allways put the in place before I light it with a match and never had problems with it.
The Trangia stove may have some problems in really cold weather. The burner needs to get warm enough to create a sufficient amount of vapor to burn through the outlets along the rim. You can hear the sound of the burner change when that happens.