This flight path from Londonderry City of Derry to Lisbon Humberto Delgado was viewed by 144 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
Expected rainfall in Derry is same as in Lisbon. You can expect this to be the case over the next 1 days.
Expect the weather to be around 29 °C 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 Lisbon is generally hotter than in Derry.