Average temperature in Letterkenny
The mean minimum and maximum temperatures over the year in Letterkenny (Donegal County), Ireland.
- On average, the warmest month is July with 19°C.
- On average, the coolest month is January with 9°C.
- The average annual maximum temperature is 13°C.
- The average annual minimum temperature is 7°C.
Weather Forecasts for Letterkenny
partly cloudy and chance of rain
broken clouds and rain
partly cloudy and rain