Average temperature in Castlemartin
The mean minimum and maximum temperatures over the year in Castlemartin (Dyfed), the United Kingdom.
- On average, the warmest month is August with 19°C.
- On average, the coolest month is February with 10°C.
- The average annual maximum temperature is 14°C.
- The average annual minimum temperature is 10°C.
Forecast for Castlemartin
Sat May 25
16°C | 8°C
SE 
22 km/h
22 km/h5.7 mm
partly cloudy and rain
Sun May 26
16°C | 10°C
SW 25 km/h
25 km/h18 mm
broken clouds and rain
Mon May 27
15°C | 9°C
SW 25 km/h
25 km/h6.1 mm
broken clouds and rain
