Average temperature in Castle Douglas
The mean minimum and maximum temperatures over the year in Castle Douglas (Dumfries and Galloway), the United Kingdom.
- On average, the warmest month is July with 19°C.
- On average, the coolest month is January with 8°C.
- The average annual maximum temperature is 13°C.
- The average annual minimum temperature is 7°C.
Forecast for Castle Douglas
overcast and chance of slight rain
overcast and heavy rain
broken clouds and rain