In reply to teapot: try discoverireland.ie, never used it but it might be of use. The midge can get nasty in Wicklow during the summer though if there's no wind and it's overcast, which is not unusual...
The westcoast is really nice as well - beautiful landscape, a decent amount of bouldering (but not as developed/as much as wicklow) and other things to do as well. Check out theshortspan.com for a bouldering guide to Ireland. Counties Kerry, Clare, Galway and Donegal are all great places, but the weather in the west is also dodgier (particularly Donegal) and they do take longer to get to...