Weather in Londonderry in August
How warm is it in Londonderry in August?
In August the typical daytime high in Londonderry is 17.5 °C on average, from 17.7 °C at the start to 17.1 °C at the end of the month.
That is about as warm as in July and 1.5 °C warmer than in September.
The last 10 years were 0.7 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Malin Head (42 km), Armagh (84 km) and Connaught (155 km); nearer ones count more.