Average temperature in Castlereagh
The mean minimum and maximum temperatures over the year in Castlereagh (Down County), the United Kingdom.
- On average, the warmest month is July with 18°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 8°C.
Forecast for Castlereagh
broken clouds and rain
broken clouds and chance of slight rain
partly cloudy and chance of rain