When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Wichita is roughly less than Cork. You can assume this to be the case over the next 10 days.
Expect the weather to be around 93 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Cork is generally colder than in Wichita.