Average temperature in Greencastle
The mean minimum and maximum temperatures over the year in Greencastle (Donegal County), Ireland.
- On average, the warmest month is August with 17°C.
- On average, the coolest month is February with 9°C.
- The average annual maximum temperature is 13°C.
- The average annual minimum temperature is 8°C.
Weather Forecasts for Greencastle
broken clouds and chance of slight rain
partly cloudy and small chance of rain
broken clouds and chance of rain