Sea Temperature

Castro-Urdiales average December sea temperature

Max: 16.1°C / 59.5°F

Avg: 14.3°C / 57.7°F

Min: 12.5°C / 55.9°F

These figures are calculated from several years of recorded data and are the maximum, minimum and average temperatures of all the recorded years

Average December sea temperatures


Monthly Castro-Urdiales water temperature chart

The bar chart below shows the average monthly sea temperatures at Castro-Urdiales over the year.

Average monthly sea temperatures in Castro-Urdiales
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12.9 12.6 12.7 13.9 16.0 18.7 20.2 21.2 20.6 18.8 16.5 14.3
°F 55.2 54.7 54.9 57 60.8 65.7 68.4 70.2 69.1 65.8 61.7 57.7

Monthly average max / min water temperatures

The graph below shows the range of monthly water temperatures over several years.

Maximum and minimum monthly sea temperatures in Castro-Urdiales
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 12.3 11.9 11.6 12.2 14 15.6 17.7 19.8 18.8 16.4 14.7 12.5
Max °C 13.6 13.4 13.9 15.6 18.1 21.8 22.8 22.6 22.4 21.2 18.4 16.1
Min °F 54.6 54 53.8 55.3 58.8 62.6 65.9 68.8 67.3 63.4 59.9 55.9
Max °F 55.9 55.5 56.1 58.7 62.9 68.8 71 71.6 70.9 68.2 63.6 59.5

Castro-Urdiales weather & temperature averages »