Sea Temperature

Knokke-Heist average April sea temperature

Max: 10.9°C / 50°F

Avg: 8.9°C / 48°F

Min: 7°C / 46.1°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 April sea temperatures


Monthly Knokke-Heist water temperature chart

The bar chart below shows the average monthly sea temperatures at Knokke-Heist over the year.

Average monthly sea temperatures in Knokke-Heist
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.8 6.8 6.8 8.9 11.7 14.7 16.7 18.2 18.1 15.8 13.3 9.8
°F 44.2 44.2 44.2 48 53.1 58.5 62.1 64.8 64.6 60.4 55.9 49.6

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 Knokke-Heist
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 4.9 5.3 4.7 7 9.4 12.7 15.2 16.8 16.7 14.1 11.3 7.5
Max °C 8.7 8.3 8.9 10.9 14 16.8 18.2 19.6 19.5 17.6 15.3 12.2
Min °F 42.3 42.7 42.1 46.1 50.8 56.5 60.6 63.4 63.2 58.7 53.9 47.3
Max °F 46.1 45.7 46.3 50 55.4 60.6 63.6 66.2 66 62.2 57.9 52

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