Weather in Ireland is unpredictable but seldom very cold, however, rain should be expected. So, clothing appropriate to rain is essential. For more detailed information, please see:
Dublin Weather
UCD Weather ...including current temperature.

Traffic You will probably encounter traffic congestion and road works in Dublin. So it is more convenient to choose accommodation within walking distance of UCD and to use public transport, where possible.

Prices in Dublin - Ireland is a eurozone country. There are banks and ATM machines available on campus and nearby. You should also be aware that Ireland is one of the more expensive countries in Europe. Some sample prices from venues in Dublin city centre are listed below. UCD campus prices for similar items are lower.
Cup of coffee in a city cafe - €2.50 - €3
Bottle of mineral water - €1.75
Daily newspaper - €1.80
Sandwich in a cafe - €4.00-€9.00
Pint of beer - €4.00-€6.00
Fast-food meal (burger and fries) €8
Evening meal for two in a city restaurant (three courses with wine) - €60-€160

Smoking in Ireland - as of 29 March 2004, it is illegal to smoke in any workplace in Ireland. This includes pubs, restaurants, theatres, shops, and all university buildings. Accordingly, smoking is prohibited by law at all conference events.

For more information about Dublin, visit http://www.dublin.ie/